The William & Flora Hewlett Foundation
The information below highlights Big Green, Inc. funding from specific grantmakers.
back to grantmakersThe William & Flora Hewlett Foundation
The William & Flora Hewlett Foundation
$2.79 BILLION
IN GRANTS
33
STATES
13
ISSUES
390
RECIPIENTS
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Details
| Grant Maker | Recipient | Issue | Amount | Year | State |
|---|---|---|---|---|---|
| The William and Flora Hewlett Foundation | Grand Canyon Trust | Climate change | $70,000 | 2010 | AZ |
| The William and Flora Hewlett Foundation | Asian Pacific Environmental Network | Climate change | $50,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Asian Pacific Environmental Network | Climate change | $50,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Asian Pacific Environmental Network | Climate change | $85,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Asian Pacific Environmental Network | Climate change | $85,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Asian Pacific Environmental Network | Climate change | $75,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Asian Pacific Environmental Network | Climate change | $25,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | California Academy of Sciences | Climate change | $40,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | California Black Chamber of Commerce Foundation | Climate change | $35,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | California League of Conservation Voters | Climate change | $250,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | California League of Conservation Voters | Climate change | $225,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | California Medical Association Foundation | Climate change | $75,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | CALSTART | Climate change | $175,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Catholic Charities of the Diocese of Stockton | Climate change | $35,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Catholic Charities of the Diocese of Stockton | Climate change | $15,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Catholic Charities of the Diocese of Stockton | Climate change | $65,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Catholic Charities of the Diocese of Stockton | Climate change | $60,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Catholic Charities of the Diocese of Stockton | Climate change | $10,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Catholic Charities of the Diocese of Stockton | Climate change | $65,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Center for Community Action and Environmental Justice | Climate change | $100,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Center for Community Action and Environmental Justice | Climate change | $75,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Center for Community Action and Environmental Justice | Climate change | $85,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Center for Community Action and Environmental Justice | Climate change | $65,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Center for Community Action and Environmental Justice | Climate change | $137,500 | 2009 | CA |
| The William and Flora Hewlett Foundation | Center for Energy Efficiency and Renewable Technologies | Climate change | $100,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Center on Race Poverty and the Environment | Climate change | $100,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Center on Race Poverty and the Environment | Climate change | $100,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Center on Race Poverty and the Environment | Climate change | $85,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Center on Race Poverty and the Environment | Climate change | $85,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Center on Race Poverty and the Environment | Climate change | $85,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Center on Race Poverty and the Environment | Climate change | $85,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Charles R. Drew University of Medicine and Science | Climate change | $25,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Climate Action Reserve | Climate change | $140,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Climate Policy Initiative | Climate change | $1,000,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $2,200,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $2,000,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $1,250,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $250,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $2,000,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $1,750,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $1,700,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $500,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $2,000,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $150,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $150,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $150,000,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $350,000,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $50,000,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $400,000,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $61,095,182 | 2008 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | Climate change | $242,500 | 2015 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | Climate change | $125,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | COFEM | Climate change | $100,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | COFEM | Climate change | $50,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Communities for a Better Environment | Climate change | $150,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Communities for a Better Environment | Climate change | $20,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Communities for a Better Environment | Climate change | $100,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Communities for a Better Environment | Climate change | $90,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Communities for a Better Environment | Climate change | $50,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Communities for a Better Environment | Climate change | $37,500 | 2009 | CA |
| The William and Flora Hewlett Foundation | Community Partners | Climate change | $50,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Community Partners | Climate change | $43,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | Climate change | $15,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | Climate change | $30,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | Climate change | $15,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | Climate change | $20,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Earthjustice | Climate change | $1,125,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | East Bay Community Foundation | Climate change | $75,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | East Bay Community Foundation | Climate change | $100,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Economic Development Corporation of Los Angeles | Climate change | $100,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Economic Development Corporation of Los Angeles | Climate change | $100,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Ella Baker Center for Human Rights | Climate change | $25,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Climate change | $8,400,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Climate change | $500,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Climate change | $3,600,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Climate change | $6,000,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Climate change | $7,099,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Climate change | $3,500,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Climate change | $3,500,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Climate change | $6,600,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Climate change | $8,100,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Climate change | $7,000,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Climate change | $3,565,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Climate change | $2,000,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Energy Innovation | Climate change | $250,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Climate change | $1,500,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Climate change | $150,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Climate change | $300,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Climate change | $100,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Climate change | $100,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Climate change | $100,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Environmental Health Coalition | Climate change | $45,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Environmental Health Coalition | Climate change | $45,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Fresno Metropolitan Ministry | Climate change | $75,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Fresno Metropolitan Ministry | Climate change | $80,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Fresno Metropolitan Ministry | Climate change | $75,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Fresno Metropolitan Ministry | Climate change | $80,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Fresno Metropolitan Ministry | Climate change | $55,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Fresno-Madera Medical Society | Climate change | $75,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Fresno-Madera Medical Society | Climate change | $75,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Green for All | Climate change | $57,789 | 2009 | CA |
| The William and Flora Hewlett Foundation | Greenlining Institute | Climate change | $35,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Healthy African American Families | Climate change | $50,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Indian Dispute Resolution Services | Climate change | $100,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Innovation Center for Energy and Transportation | Climate change | $300,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Institute for Sustainable Economic, Educational and Environmental Design | Climate change | $300,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Institute for Sustainable Economic, Educational and Environmental Design | Climate change | $300,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | International Sustainable Systems Research Center | Climate change | $250,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | International Sustainable Systems Research Center | Climate change | $50,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | International Sustainable Systems Research Center | Climate change | $68,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | International Sustainable Systems Research Center | Climate change | $125,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | International Sustainable Systems Research Center | Climate change | $50,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Latino Issues Forum | Climate change | $100,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Liberty Hill Foundation | Climate change | $40,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Liberty Hill Foundation | Climate change | $45,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Liberty Hill Foundation | Climate change | $45,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Liberty Hill Foundation | Climate change | $55,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Liberty Hill Foundation | Climate change | $30,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Liberty Hill Foundation | Climate change | $70,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Local Government Commission | Climate change | $40,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Los Angeles Alliance for a New Economy | Climate change | $75,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Los Angeles Alliance for a New Economy | Climate change | $110,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Los Angeles Alliance for a New Economy | Climate change | $50,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Los Angeles Alliance for a New Economy | Climate change | $150,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Los Angeles Alliance for a New Economy | Climate change | $45,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Los Angeles Alliance for a New Economy | Climate change | $20,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Los Angeles Alliance for a New Economy | Climate change | $60,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Natural Capital Institute | Climate change | $150,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Climate change | $2,000,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Climate change | $579,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Climate change | $40,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Climate change | $30,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Climate change | $37,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Climate change | $25,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Climate change | $65,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Climate change | $37,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Non-Profit Housing Association of Northern California | Climate change | $60,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Non-Profit Housing Association of Northern California | Climate change | $75,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Non-Profit Housing Association of Northern California | Climate change | $85,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Occidental Arts and Ecology Center | Climate change | $15,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Patient Care Foundation of Los Angeles County | Climate change | $55,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Patient Care Foundation of Los Angeles County | Climate change | $45,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Public Health Institute | Climate change | $100,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Public Health Institute | Climate change | $120,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Public Health Institute | Climate change | $100,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Public Health Institute | Climate change | $120,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Public Health Institute | Climate change | $100,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Public Policy Institute of California | Climate change | $100,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Public Policy Institute of California | Climate change | $120,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Public Policy Institute of California | Climate change | $160,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Public Policy Institute of California | Climate change | $140,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Public Policy Institute of California | Climate change | $433,333 | 2008 | CA |
| The William and Flora Hewlett Foundation | Radio Bilingue | Climate change | $55,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Radio Bilingue | Climate change | $55,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Resource Legacy Fund | Climate change | $750,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Resource Media | Climate change | $225,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Climate change | $400,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Climate change | $340,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Climate change | $340,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $100,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $100,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $100,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $100,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $100,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $42,484 | 2012 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $100,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $60,693 | 2011 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $42,484 | 2011 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $103,177 | 2010 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $100,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $100,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $103,177 | 2009 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $26,300 | 2009 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $100,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $100,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Climate change | $100,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | San Francisco Foundation | Climate change | $400,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | San Francisco Foundation | Climate change | $450,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Climate change | $150,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Climate change | $595,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Climate change | $220,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Climate change | $150,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Social and Environmental Entrepreneurs | Climate change | $115,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Social and Environmental Entrepreneurs | Climate change | $120,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Social and Environmental Entrepreneurs | Climate change | $115,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Social and Environmental Entrepreneurs | Climate change | $120,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Social and Environmental Entrepreneurs | Climate change | $55,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Social and Environmental Entrepreneurs | Climate change | $55,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Social and Environmental Entrepreneurs | Climate change | $55,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Social and Environmental Entrepreneurs | Climate change | $55,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Stanford University | Climate change | $50,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Stanford University | Climate change | $255,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Stanford University | Climate change | $159,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Tides Foundation | Climate change | $110,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Tides Foundation | Climate change | $30,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | TransForm | Climate change | $200,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | TransForm | Climate change | $150,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | TransForm | Climate change | $132,800 | 2012 | CA |
| The William and Flora Hewlett Foundation | TransForm | Climate change | $700,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | TransForm | Climate change | $300,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | TransForm | Climate change | $350,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | TransForm | Climate change | $200,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Transportation and Land Use Coalition | Climate change | $450,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Trust for Conservation Innovation | Climate change | $200,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Trust for Conservation Innovation | Climate change | $100,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Climate change | $725,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Climate change | $725,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | University of Southern California | Climate change | $75,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | University of Southern California | Climate change | $150,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | University of Southern California | Climate change | $185,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | University of Southern California | Climate change | $150,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | University of Southern California | Climate change | $60,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Urban Habitat | Climate change | $50,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Urban Habitat | Climate change | $85,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Urban Habitat | Climate change | $85,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Women's Foundation of California | Climate change | $14,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Colorado Environmental Coalition | Climate change | $200,000 | 2013 | CO |
| The William and Flora Hewlett Foundation | Colorado Environmental Coalition | Climate change | $150,000 | 2012 | CO |
| The William and Flora Hewlett Foundation | Colorado Environmental Coalition | Climate change | $150,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | Colorado Environmental Coalition | Climate change | $150,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | Natural Capitalism Solutions | Climate change | $100,000 | 2013 | CO |
| The William and Flora Hewlett Foundation | Public Counsel of the Rockies | Climate change | $300,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | Southwest Energy Efficiency Project | Climate change | $150,000 | 2012 | CO |
| The William and Flora Hewlett Foundation | Southwest Energy Efficiency Project | Climate change | $150,000 | 2012 | CO |
| The William and Flora Hewlett Foundation | Southwest Energy Efficiency Project | Climate change | $320,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | Southwest Energy Efficiency Project | Climate change | $16,500 | 2008 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Climate change | $59,000 | 2014 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Climate change | $1,000,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | Yale University | Climate change | $250,000 | 2009 | CT |
| The William and Flora Hewlett Foundation | Yale University | Climate change | $105,000 | 2009 | CT |
| The William and Flora Hewlett Foundation | Yale University | Climate change | $250,000 | 2008 | CT |
| The William and Flora Hewlett Foundation | Yale University | Climate change | $25,000 | 2008 | CT |
| The William and Flora Hewlett Foundation | African Center for Economic Transformation | Climate change | $800,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | African Center for Economic Transformation | Climate change | $450,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | African Center for Economic Transformation | Climate change | $190,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | American Bar Association | Climate change | $35,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | American Bar Association | Climate change | $35,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | American Council for an Energy-Efficient Economy | Climate change | $100,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | American Council for an Energy-Efficient Economy | Climate change | $120,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | American Lung Association | Climate change | $850,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | American Lung Association | Climate change | $500,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | American Lung Association | Climate change | $500,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | American Lung Association | Climate change | $600,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | American Lung Association | Climate change | $400,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | American Lung Association | Climate change | $75,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Climate change | $1,250,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Climate change | $1,000,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Climate change | $1,500,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Climate change | $1,500,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Climate change | $400,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Climate change | $2,000,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Climate change | $2,000,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Climate change | $6,288,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Climate change | $2,000,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Climate change | $4,370,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Climate change | $2,630,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Climate change | $2,000,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Breakthrough Technologies Institute | Climate change | $82,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Breakthrough Technologies Institute | Climate change | $95,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Brookings Institution | Climate change | $725,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Brookings Institution | Climate change | $200,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Business Forward Foundation | Climate change | $100,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Carnegie Endowment for International Peace | Climate change | $500,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Carnegie Endowment for International Peace | Climate change | $200,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Carnegie Endowment for International Peace | Climate change | $240,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Center for American Progress | Climate change | $250,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Center for Clean Air Policy | Climate change | $40,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Center for Clean Air Policy | Climate change | $400,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Center for Strategic and International Studies | Climate change | $180,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Center for the National Interest | Climate change | $200,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Center for the National Interest | Climate change | $200,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Center for the National Interest | Climate change | $40,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Christian Coalition | Climate change | $300,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Christian Coalition | Climate change | $300,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Christian Coalition | Climate change | $100,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Climate change | $1,750,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Constitutional Accountability Center | Climate change | $50,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Constitutional Accountability Center | Climate change | $50,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Constitutional Accountability Center | Climate change | $50,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Constitutional Accountability Center | Climate change | $100,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Earth Day Network | Climate change | $120,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Earthworks | Climate change | $150,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Earthworks | Climate change | $100,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Energy Futures Initiative | Climate change | $750,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Fenton Communications | Climate change | $195,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Georgetown University | Climate change | $530,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Georgetown University | Climate change | $300,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Georgetown University | Climate change | $115,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | German Marshall Fund of the United States | Climate change | $300,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Global Witness Foundation | Climate change | $250,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Institute for Governance and Sustainable Development | Climate change | $750,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Institute for Governance and Sustainable Development | Climate change | $200,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Institute for Governance and Sustainable Development | Climate change | $300,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Institute for Governance and Sustainable Development | Climate change | $200,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | International Initiative for Impact Evaluation | Climate change | $215,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | League of Conservation Voters | Climate change | $600,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | National Academy of Sciences | Climate change | $400,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $600,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $400,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $1,000,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $850,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $200,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $2,750,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $2,150,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $800,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $27,500 | 2013 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $2,000,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $650,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $650,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $250,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $200,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $150,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $2,000,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $2,000,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $600,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $100,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $100,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $400,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $200,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Niskanen Center | Climate change | $200,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Niskanen Center for Public Policy | Climate change | $200,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Oceana | Climate change | $1,000,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Oil Change International | Climate change | $150,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Oil Change International | Climate change | $150,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Oil Change International | Climate change | $100,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Partnership Project | Climate change | $1,300,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Partnership Project | Climate change | $700,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Partnership Project | Climate change | $1,300,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Partnership Project | Climate change | $500,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Partnership Project | Climate change | $2,500,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Partnership Project | Climate change | $300,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Partnership Project | Climate change | $2,535,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Partnership Project | Climate change | $3,000,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Population Reference Bureau | Climate change | $350,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | R Street Institute | Climate change | $275,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | R Street Institute | Climate change | $200,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Resolve Inc | Climate change | $40,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Securing America's Future Energy Foundation | Climate change | $100,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | Taxpayers for Common Sense | Climate change | $125,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Climate change | $400,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Climate change | $600,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Climate change | $762,500 | 2011 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Climate change | $200,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Climate change | $150,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Climate change | $200,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Climate change | $200,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Climate change | $150,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Climate change | $250,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Climate change | $200,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Truman National Security Project Educational Institute | Climate change | $200,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | United Nations Foundation | Climate change | $1,250,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | United Nations Foundation | Climate change | $960,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | United Nations Foundation | Climate change | $480,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | United Nations Foundation | Climate change | $400,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | World Resources Institute | Climate change | $306,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | World Resources Institute | Climate change | $200,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | World Resources Institute | Climate change | $200,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | World Resources Institute | Climate change | $82,102 | 2013 | DC |
| The William and Flora Hewlett Foundation | Southeast Energy Efficiency Alliance | Climate change | $100,000 | 2013 | GA |
| The William and Flora Hewlett Foundation | Southeast Energy Efficiency Alliance | Climate change | $100,000 | 2012 | GA |
| The William and Flora Hewlett Foundation | Southeast Energy Efficiency Alliance | Climate change | $100,000 | 2011 | GA |
| The William and Flora Hewlett Foundation | Environmental Law and Policy Center of the Midwest | Climate change | $200,000 | 2009 | IL |
| The William and Flora Hewlett Foundation | Sargent Shriver National Center on Poverty Law | Climate change | $25,000 | 2010 | IL |
| The William and Flora Hewlett Foundation | Boston Critic | Climate change | $50,000 | 2008 | MA |
| The William and Flora Hewlett Foundation | CERES | Climate change | $250,000 | 2014 | MA |
| The William and Flora Hewlett Foundation | Clean Air Task Force | Climate change | $200,000 | 2016 | MA |
| The William and Flora Hewlett Foundation | Clean Air Task Force | Climate change | $45,000 | 2014 | MA |
| The William and Flora Hewlett Foundation | Clean Air Task Force | Climate change | $100,000 | 2009 | MA |
| The William and Flora Hewlett Foundation | Clean Air Task Force | Climate change | $100,000 | 2008 | MA |
| The William and Flora Hewlett Foundation | Conservation Law Foundation | Climate change | $150,000 | 2014 | MA |
| The William and Flora Hewlett Foundation | Health Effects Institute | Climate change | $200,000 | 2015 | MA |
| The William and Flora Hewlett Foundation | Health Effects Institute | Climate change | $170,000 | 2015 | MA |
| The William and Flora Hewlett Foundation | Health Effects Institute | Climate change | $160,000 | 2014 | MA |
| The William and Flora Hewlett Foundation | Health Effects Institute | Climate change | $250,000 | 2013 | MA |
| The William and Flora Hewlett Foundation | Health Effects Institute | Climate change | $250,000 | 2012 | MA |
| The William and Flora Hewlett Foundation | Health Effects Institute | Climate change | $250,000 | 2012 | MA |
| The William and Flora Hewlett Foundation | Health Effects Institute | Climate change | $500,000 | 2011 | MA |
| The William and Flora Hewlett Foundation | National Religious Partnership for the Environment | Climate change | $700,000 | 2009 | MA |
| The William and Flora Hewlett Foundation | National Religious Partnership for the Environment | Climate change | $600,000 | 2008 | MA |
| The William and Flora Hewlett Foundation | Northeast States Center for a Clean Air Future | Climate change | $340,000 | 2010 | MA |
| The William and Flora Hewlett Foundation | Northeast States Center for a Clean Air Future | Climate change | $340,000 | 2009 | MA |
| The William and Flora Hewlett Foundation | Northeast States Center for a Clean Air Future | Climate change | $170,000 | 2008 | MA |
| The William and Flora Hewlett Foundation | Oxfam America | Climate change | $161,000 | 2017 | MA |
| The William and Flora Hewlett Foundation | Tufts College | Climate change | $250,000 | 2017 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Climate change | $333,333 | 2013 | MA |
| The William and Flora Hewlett Foundation | NAACP | Climate change | $400,000 | 2017 | MD |
| The William and Flora Hewlett Foundation | NAACP | Climate change | $435,000 | 2016 | MD |
| The William and Flora Hewlett Foundation | NAACP | Climate change | $250,000 | 2013 | MD |
| The William and Flora Hewlett Foundation | University of Maryland - College Park | Climate change | $50,000 | 2015 | MD |
| The William and Flora Hewlett Foundation | Michigan League of Conservation Voters | Climate change | $45,000 | 2013 | MI |
| The William and Flora Hewlett Foundation | Michigan Public Health Association | Climate change | $100,000 | 2013 | MI |
| The William and Flora Hewlett Foundation | Blue Green Alliance Foundation | Climate change | $600,000 | 2015 | MN |
| The William and Flora Hewlett Foundation | Blue Green Alliance Foundation | Climate change | $125,000 | 2014 | MN |
| The William and Flora Hewlett Foundation | Great Plains Institute for Sustainable Development | Climate change | $1,500,000 | 2016 | MN |
| The William and Flora Hewlett Foundation | Great Plains Institute for Sustainable Development | Climate change | $708,250 | 2015 | MN |
| The William and Flora Hewlett Foundation | Great Plains Institute for Sustainable Development | Climate change | $290,750 | 2015 | MN |
| The William and Flora Hewlett Foundation | Western Organization of Resource Councils | Climate change | $300,000 | 2013 | MT |
| The William and Flora Hewlett Foundation | Western Organization of Resource Councils | Climate change | $200,000 | 2011 | MT |
| The William and Flora Hewlett Foundation | GreenFaith | Climate change | $1,000,000 | 2017 | NJ |
| The William and Flora Hewlett Foundation | Nevada Wilderness Project | Climate change | $50,000 | 2012 | NV |
| The William and Flora Hewlett Foundation | Nevada Wilderness Project | Climate change | $50,000 | 2011 | NV |
| The William and Flora Hewlett Foundation | Asia Society | Climate change | $225,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Columbia University | Climate change | $200,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Columbia University | Climate change | $200,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Columbia University | Climate change | $100,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Columbia University | Climate change | $100,000 | 2008 | NY |
| The William and Flora Hewlett Foundation | Columbia University | Climate change | $100,000 | 2008 | NY |
| The William and Flora Hewlett Foundation | Columbia University | Climate change | $100,000 | 2008 | NY |
| The William and Flora Hewlett Foundation | International Senior Lawyers Corporation | Climate change | $130,000 | 2014 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Climate change | $200,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | New York University | Climate change | $400,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | New York University | Climate change | $300,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | New York University | Climate change | $200,000 | 2014 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Brothers Fund | Climate change | $600,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Brothers Fund | Climate change | $1,500,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Brothers Fund | Climate change | $650,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Brothers Fund | Climate change | $1,500,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Brothers Fund | Climate change | $1,500,000 | 2014 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Family Fund | Climate change | $250,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Family Fund | Climate change | $100,000 | 2013 | NY |
| The William and Flora Hewlett Foundation | United Nations Foundation | Climate change | $300,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | West Harlem Environmental Action | Climate change | $200,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | Wildlife Conservation Society | Climate change | $70,000 | 2013 | NY |
| The William and Flora Hewlett Foundation | Institute for Energy Economics and Financial Analysis | Climate change | $250,000 | 2015 | OH |
| The William and Flora Hewlett Foundation | State of Utah | Climate change | $85,000 | 2009 | UT |
| The William and Flora Hewlett Foundation | State of Utah | Climate change | $200,000 | 2008 | UT |
| The William and Flora Hewlett Foundation | State of Utah | Climate change | $65,000 | 2008 | UT |
| The William and Flora Hewlett Foundation | Center for Climate and Energy Solutions | Climate change | $100,000 | 2017 | VA |
| The William and Flora Hewlett Foundation | Center for Climate and Energy Solutions | Climate change | $50,000 | 2017 | VA |
| The William and Flora Hewlett Foundation | Global Environment and Technology Foundation | Climate change | $100,000 | 2009 | VA |
| The William and Flora Hewlett Foundation | Global Environment and Technology Foundation | Climate change | $100,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Global Environment and Technology Foundation | Climate change | $100,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Health Care Without Harm | Climate change | $140,000 | 2013 | VA |
| The William and Flora Hewlett Foundation | Strategies for the Global Environment | Climate change | $150,000 | 2016 | VA |
| The William and Flora Hewlett Foundation | Climate Solutions | Climate change | $120,000 | 2012 | WA |
| The William and Flora Hewlett Foundation | Climateworks Foundation | Climate change | $10,000,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Climateworks Foundation | Climate change | $1,750,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Climateworks Foundation | Climate change | $1,000,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Environmental Health Coalition | Climate change | $100,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | The Energy Foundation | Climate change | $15,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | The Energy Foundation | Climate change | $100,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | The Energy Foundation | Climate change | $250,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | TransformCa | Climate change | $200,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Tsinghua Education Foundation | Climate change | $200,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Alliance for Climate Education | Climate change | $100,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | Aspen Global Change Institute | Climate change | $150,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | Clean Energy Credit Union | Climate change | $150,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | Business Forward Foundation | Climate change | $50,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Conservation International | Climate change | $350,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $400,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $600,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Climate change | $500,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Partnership Project | Climate change | $1,000,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Partnership Project | Climate change | $200,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | The Niskanen Center | Climate change | $100,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | United Nations Foundation | Climate change | $63,250 | 2018 | DC |
| The William and Flora Hewlett Foundation | United Nations Foundation | Climate change | $185,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | United Nations Foundation | Climate change | $250,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | World Resources Institute | Climate change | $190,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | World Resources Institute | Climate change | $300,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | World Wildlife Fund | Climate change | $75,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | World Wildlife Fund | Climate change | $300,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Jeremy and Hannelore Grantham Environmental Trust | Climate change | $10,000,000 | 2018 | MA |
| The William and Flora Hewlett Foundation | Massachusetts Institute of Technology | Climate change | $250,000 | 2018 | MA |
| The William and Flora Hewlett Foundation | OxfamAmerica | Climate change | $180,000 | 2018 | MA |
| The William and Flora Hewlett Foundation | OxfamAmerica | Climate change | $100,000 | 2018 | MA |
| The William and Flora Hewlett Foundation | Trustees of Tufts College | Climate change | $200,000 | 2018 | MA |
| The William and Flora Hewlett Foundation | National Association for the Advancement of Colored People | Climate change | $400,000 | 2018 | MD |
| The William and Flora Hewlett Foundation | National Association for the Advancement of Colored People | Climate change | $100,000 | 2018 | MD |
| The William and Flora Hewlett Foundation | Climate Conservation | Climate change | $400,000 | 2018 | MT |
| The William and Flora Hewlett Foundation | Croatan Institute | Climate change | $25,000 | 2018 | NC |
| The William and Flora Hewlett Foundation | Greenfaith 101 | Climate change | $1,000,000 | 2018 | NJ |
| The William and Flora Hewlett Foundation | Aligned Intermediary | Climate change | $30,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Behavioral Ideas Lab | Climate change | $475,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Brothers Fund | Climate change | $1,500,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Trustees of Columbia University | Climate change | $125,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Center for Climate and Energy Solutions | Climate change | $250,000 | 2018 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Climate change | $125,000 | 2018 | VA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Coal | $250,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Coal | $1,000,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Coal | $1,060,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Coal | $1,000,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Coal | $1,000,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Coal | $200,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Coal | $800,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Coal | $800,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Coal | $800,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Public Counsel of the Rockies | Coal | $150,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | Public Counsel of the Rockies | Coal | $150,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | Public Counsel of the Rockies | Coal | $150,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | Public Counsel of the Rockies | Coal | $150,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | Center for American Progress | Coal | $300,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Environmental Integrity Project | Coal | $75,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Greenpeace Fund | Coal | $1,000,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | World Resources Institute | Coal | $200,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | World Resources Institute | Coal | $58,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Environmental Law and Policy Center of the Midwest | Coal | $250,000 | 2017 | IL |
| The William and Flora Hewlett Foundation | Conservation Law Foundation | Coal | $100,000 | 2012 | MA |
| The William and Flora Hewlett Foundation | Conservation Law Foundation | Coal | $100,000 | 2011 | MA |
| The William and Flora Hewlett Foundation | Conservation Law Foundation | Coal | $100,000 | 2011 | MA |
| The William and Flora Hewlett Foundation | Health Effects Institute | Coal | $200,000 | 2014 | MA |
| The William and Flora Hewlett Foundation | President and Fellows of Harvard College | Coal | $150,000 | 2016 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Coal | $200,000 | 2011 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Coal | $200,000 | 2011 | MA |
| The William and Flora Hewlett Foundation | NAACP | Coal | $50,000 | 2015 | MD |
| The William and Flora Hewlett Foundation | NAACP | Coal | $350,000 | 2014 | MD |
| The William and Flora Hewlett Foundation | Western Organization of Resource Councils | Coal | $450,000 | 2016 | MT |
| The William and Flora Hewlett Foundation | Western Organization of Resource Councils | Coal | $200,000 | 2015 | MT |
| The William and Flora Hewlett Foundation | Western Organization of Resource Councils | Coal | $250,000 | 2014 | MT |
| The William and Flora Hewlett Foundation | SouthWest Organizing Project | Coal | $50,000 | 2014 | NM |
| The William and Flora Hewlett Foundation | Environmental Grantmakers Association | Coal | $200,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Southern Alliance for Clean Energy | Coal | $150,000 | 2014 | TN |
| The William and Flora Hewlett Foundation | Southern Alliance for Clean Energy | Coal | $150,000 | 2012 | TN |
| The William and Flora Hewlett Foundation | Southern Alliance for Clean Energy | Coal | $150,000 | 2012 | TN |
| The William and Flora Hewlett Foundation | Southern Alliance for Clean Energy | Coal | $100,000 | 2011 | TN |
| The William and Flora Hewlett Foundation | Southern Alliance for Clean Energy | Coal | $100,000 | 2010 | TN |
| The William and Flora Hewlett Foundation | Southern Alliance for Clean Energy | Coal | $100,000 | 2010 | TN |
| The William and Flora Hewlett Foundation | Climate Solutions | Coal | $175,000 | 2011 | WA |
| The William and Flora Hewlett Foundation | Alaska Conservation Foundation | Conservation | $100,000 | 2011 | AK |
| The William and Flora Hewlett Foundation | Alaska Conservation Foundation | Conservation | $100,000 | 2010 | AK |
| The William and Flora Hewlett Foundation | Alaska Conservation Foundation | Conservation | $100,000 | 2010 | AK |
| The William and Flora Hewlett Foundation | Alaska Conservation Foundation | Conservation | $200,000 | 2009 | AK |
| The William and Flora Hewlett Foundation | Alaska Conservation Foundation | Conservation | $287,500 | 2008 | AK |
| The William and Flora Hewlett Foundation | Southeast Alaska Conservation Council | Conservation | $100,000 | 2010 | AK |
| The William and Flora Hewlett Foundation | Southeast Alaska Conservation Council | Conservation | $150,000 | 2009 | AK |
| The William and Flora Hewlett Foundation | Southeast Alaska Conservation Council | Conservation | $100,000 | 2009 | AK |
| The William and Flora Hewlett Foundation | Southeast Alaska Conservation Council | Conservation | $150,000 | 2008 | AK |
| The William and Flora Hewlett Foundation | Grand Canyon Trust | Conservation | $500,000 | 2016 | AZ |
| The William and Flora Hewlett Foundation | Sonoran Institute | Conservation | $300,000 | 2016 | AZ |
| The William and Flora Hewlett Foundation | Sonoran Institute | Conservation | $75,000 | 2010 | AZ |
| The William and Flora Hewlett Foundation | Sonoran Institute | Conservation | $70,000 | 2009 | AZ |
| The William and Flora Hewlett Foundation | Association of Bay Area Governments | Conservation | $50,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | California League of Conservation Voters | Conservation | $150,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Conservation | $3,600,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Community Initiatives | Conservation | $250,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Earth Island Institute | Conservation | $50,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Earth Island Institute | Conservation | $100,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Earth Island Institute | Conservation | $50,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Indian Dispute Resolution Services | Conservation | $100,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Peninsula Open Space Trust | Conservation | $100,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | People for Open Space | Conservation | $220,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | People for Open Space | Conservation | $200,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | People for Open Space | Conservation | $200,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Resource Legacy Fund | Conservation | $30,000,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Resource Legacy Fund | Conservation | $1,700,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Resource Legacy Fund | Conservation | $1,300,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Resource Legacy Fund | Conservation | $600,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Resource Legacy Fund | Conservation | $600,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Resource Legacy Fund | Conservation | $500,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Resource Legacy Fund | Conservation | $160,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Resource Legacy Fund | Conservation | $100,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Resource Legacy Fund | Conservation | $60,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Resource Legacy Fund | Conservation | $40,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Resource Legacy Fund | Conservation | $300,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Resource Media | Conservation | $100,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Conservation | $55,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Conservation | $1,000,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Conservation | $400,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Conservation | $42,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Conservation | $200,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Conservation | $250,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | San Francisco Parks Alliance | Conservation | $200,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Save San Francisco Bay Association | Conservation | $100,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Save San Francisco Bay Association | Conservation | $67,500 | 2012 | CA |
| The William and Flora Hewlett Foundation | Save San Francisco Bay Association | Conservation | $50,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Conservation | $300,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Social and Environmental Entrepreneurs | Conservation | $10,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Truckee Donner Land Trust | Conservation | $250,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Trust for Conservation Innovation | Conservation | $30,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Conservation | $450,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Conservation | $450,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Conservation | $490,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Conservation | $450,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Conservation | $725,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Conservation | $450,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Conservation | $450,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Conservation | $200,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Conservation | $100,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Conservation | $450,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Conservation | $200,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Conservation | $100,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Conservation | $1,450,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Conservation | $625,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Conservation | $250,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Conservation | $250,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Colorado College | Conservation | $175,000 | 2015 | CO |
| The William and Flora Hewlett Foundation | Colorado Conservation Trust | Conservation | $220,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | Colorado Conservation Voters Education Fund | Conservation | $200,000 | 2015 | CO |
| The William and Flora Hewlett Foundation | Colorado Conservation Voters Education Fund | Conservation | $200,000 | 2014 | CO |
| The William and Flora Hewlett Foundation | Conservation Colorado | Conservation | $200,000 | 2017 | CO |
| The William and Flora Hewlett Foundation | Conservation Colorado | Conservation | $200,000 | 2016 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | Conservation | $650,000 | 2016 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | Conservation | $800,000 | 2015 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | Conservation | $175,000 | 2014 | CO |
| The William and Flora Hewlett Foundation | Keystone Center | Conservation | $100,000 | 2017 | CO |
| The William and Flora Hewlett Foundation | Partners for Conservation | Conservation | $100,000 | 2017 | CO |
| The William and Flora Hewlett Foundation | Public Counsel of the Rockies | Conservation | $85,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | Conservation | $3,500,000 | 2015 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | Conservation | $650,000 | 2015 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | Conservation | $250,000 | 2014 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | Conservation | $100,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Conservation | $685,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Conservation | $215,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Conservation | $660,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Conservation | $215,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Conservation | $875,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Conservation | $450,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | Alaska Wilderness League | Conservation | $200,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Alaska Wilderness League | Conservation | $200,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Alaska Wilderness League | Conservation | $200,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Alaska Wilderness League | Conservation | $400,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Alaska Wilderness League | Conservation | $250,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Defenders of Wildlife | Conservation | $250,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Defenders of Wildlife | Conservation | $250,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Land Trust Alliance | Conservation | $75,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | League of Conservation Voters | Conservation | $150,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | League of Conservation Voters | Conservation | $550,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | League of Conservation Voters | Conservation | $150,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | League of Conservation Voters Education Fund | Conservation | $150,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | National Parks Conservation Association | Conservation | $100,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | National Parks Conservation Association | Conservation | $100,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | National Parks Conservation Association | Conservation | $50,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | National Parks Conservation Association | Conservation | $150,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | National Wildlife Refuge Association | Conservation | $100,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | National Wildlife Refuge Association | Conservation | $50,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Conservation | $200,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Conservation | $23,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Conservation | $400,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Conservation | $300,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Conservation | $50,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Conservation | $450,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Conservation | $400,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Oceana | Conservation | $1,000,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Partnership Project | Conservation | $500,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Society for Conservation Biology | Conservation | $150,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Society for Conservation Biology | Conservation | $150,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Conservation | $825,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Conservation | $750,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Conservation | $1,400,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Conservation | $465,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Conservation | $1,600,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Conservation | $30,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Conservation | $600,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Conservation | $30,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Conservation | $600,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Conservation | $600,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | World Wildlife Fund | Conservation | $150,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Idaho Conservation League | Conservation | $50,000 | 2015 | ID |
| The William and Flora Hewlett Foundation | Backcountry Hunters and Anglers | Conservation | $100,000 | 2017 | MT |
| The William and Flora Hewlett Foundation | Backcountry Hunters and Anglers | Conservation | $100,000 | 2015 | MT |
| The William and Flora Hewlett Foundation | Backcountry Hunters and Anglers | Conservation | $100,000 | 2015 | MT |
| The William and Flora Hewlett Foundation | Climate Conservation | Conservation | $37,500 | 2016 | MT |
| The William and Flora Hewlett Foundation | Greater Yellowstone Coalition | Conservation | $425,000 | 2017 | MT |
| The William and Flora Hewlett Foundation | Greater Yellowstone Coalition | Conservation | $425,000 | 2016 | MT |
| The William and Flora Hewlett Foundation | Headwaters Economics | Conservation | $210,000 | 2015 | MT |
| The William and Flora Hewlett Foundation | Montana Wilderness Association | Conservation | $100,000 | 2016 | MT |
| The William and Flora Hewlett Foundation | Montana Wilderness Association | Conservation | $100,000 | 2015 | MT |
| The William and Flora Hewlett Foundation | Western Organization of Resource Councils | Conservation | $250,000 | 2015 | MT |
| The William and Flora Hewlett Foundation | Audubon Society, National | Conservation | $137,500 | 2017 | NY |
| The William and Flora Hewlett Foundation | Audubon Society, National | Conservation | $75,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Audubon Society, National | Conservation | $137,500 | 2016 | NY |
| The William and Flora Hewlett Foundation | Audubon Society, National | Conservation | $137,000 | 2014 | NY |
| The William and Flora Hewlett Foundation | Audubon Society, National | Conservation | $187,500 | 2011 | NY |
| The William and Flora Hewlett Foundation | Audubon Society, National | Conservation | $87,500 | 2011 | NY |
| The William and Flora Hewlett Foundation | Audubon Society, National | Conservation | $100,000 | 2010 | NY |
| The William and Flora Hewlett Foundation | Audubon Society, National | Conservation | $300,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Audubon Society, National | Conservation | $100,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Audubon Society, National | Conservation | $50,000 | 2008 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Conservation | $125,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Open Space Institute | Conservation | $350,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Open Space Institute | Conservation | $40,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Open Space Institute | Conservation | $400,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Open Space Institute | Conservation | $100,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Project on Organizing Development Education | Conservation | $200,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Wildlife Conservation Society | Conservation | $70,000 | 2014 | NY |
| The William and Flora Hewlett Foundation | Wildlife Conservation Society | Conservation | $75,000 | 2012 | NY |
| The William and Flora Hewlett Foundation | Wildlife Conservation Society | Conservation | $75,000 | 2011 | NY |
| The William and Flora Hewlett Foundation | Wildlife Conservation Society | Conservation | $100,000 | 2010 | NY |
| The William and Flora Hewlett Foundation | Wildlife Conservation Society | Conservation | $130,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Wildlife Conservation Society | Conservation | $100,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Institute for Fisheries Resources | Conservation | $60,000 | 2013 | OR |
| The William and Flora Hewlett Foundation | Institute for Fisheries Resources | Conservation | $30,000 | 2012 | OR |
| The William and Flora Hewlett Foundation | Institute for Fisheries Resources | Conservation | $25,000 | 2011 | OR |
| The William and Flora Hewlett Foundation | Sustainable Northwest | Conservation | $100,000 | 2013 | OR |
| The William and Flora Hewlett Foundation | Sustainable Northwest | Conservation | $100,000 | 2012 | OR |
| The William and Flora Hewlett Foundation | Sustainable Northwest | Conservation | $100,000 | 2011 | OR |
| The William and Flora Hewlett Foundation | Western Environmental Law Center | Conservation | $80,000 | 2015 | OR |
| The William and Flora Hewlett Foundation | Western Environmental Law Center | Conservation | $80,000 | 2014 | OR |
| The William and Flora Hewlett Foundation | Western Environmental Law Center | Conservation | $80,000 | 2013 | OR |
| The William and Flora Hewlett Foundation | Western Environmental Law Center | Conservation | $80,000 | 2012 | OR |
| The William and Flora Hewlett Foundation | Western Environmental Law Center | Conservation | $80,000 | 2012 | OR |
| The William and Flora Hewlett Foundation | Western Environmental Law Center | Conservation | $65,000 | 2012 | OR |
| The William and Flora Hewlett Foundation | Western Environmental Law Center | Conservation | $65,000 | 2011 | OR |
| The William and Flora Hewlett Foundation | Western Environmental Law Center | Conservation | $65,000 | 2010 | OR |
| The William and Flora Hewlett Foundation | Western Environmental Law Center | Conservation | $50,000 | 2009 | OR |
| The William and Flora Hewlett Foundation | Wild Salmon Center | Conservation | $100,000 | 2017 | OR |
| The William and Flora Hewlett Foundation | Wild Salmon Center | Conservation | $150,000 | 2008 | OR |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $3,350,000 | 2017 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $1,200,000 | 2017 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $3,000,000 | 2016 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $1,400,000 | 2016 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $3,000,000 | 2015 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $3,000,000 | 2014 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $1,800,000 | 2013 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $1,600,000 | 2012 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $350,000 | 2012 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $1,100,000 | 2011 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $350,000 | 2011 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $268,000 | 2011 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $2,000,000 | 2010 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $415,000 | 2010 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $2,000,000 | 2009 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $2,000,000 | 2009 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $375,000 | 2008 | PA |
| The William and Flora Hewlett Foundation | Society of Environmental Journalists | Conservation | $200,000 | 2017 | PA |
| The William and Flora Hewlett Foundation | Public Land Solutions | Conservation | $100,000 | 2016 | UT |
| The William and Flora Hewlett Foundation | Round River Conservation Studies | Conservation | $50,000 | 2012 | UT |
| The William and Flora Hewlett Foundation | Conservation Fund | Conservation | $60,000 | 2017 | VA |
| The William and Flora Hewlett Foundation | Conservation Fund | Conservation | $70,000 | 2015 | VA |
| The William and Flora Hewlett Foundation | Conservation Fund | Conservation | $70,000 | 2012 | VA |
| The William and Flora Hewlett Foundation | Conservation Fund | Conservation | $75,000 | 2010 | VA |
| The William and Flora Hewlett Foundation | Conservation Fund | Conservation | $62,500 | 2010 | VA |
| The William and Flora Hewlett Foundation | Conservation Fund | Conservation | $75,000 | 2009 | VA |
| The William and Flora Hewlett Foundation | Conservation Fund | Conservation | $75,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Conservation Fund | Conservation | $75,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Conservation | $765,000 | 2017 | VA |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Conservation | $565,000 | 2016 | VA |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Conservation | $565,000 | 2015 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $250,000 | 2017 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $400,000 | 2016 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $250,000 | 2016 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $250,000 | 2015 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $200,000 | 2015 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $500,000 | 2014 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $250,000 | 2014 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $250,000 | 2013 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $250,000 | 2012 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $250,000 | 2012 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $200,000 | 2011 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $112,500 | 2011 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $110,000 | 2011 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $300,000 | 2010 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $225,000 | 2010 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $200,000 | 2010 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $187,500 | 2010 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $175,000 | 2010 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $112,500 | 2010 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $700,000 | 2009 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $300,000 | 2009 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $225,000 | 2009 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $225,000 | 2009 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $175,000 | 2009 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $150,000 | 2009 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $100,000 | 2009 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $700,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $450,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $150,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $150,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $125,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $125,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $100,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Conservation | $2,055,000 | 2016 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Conservation | $250,000 | 2015 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Conservation | $150,000 | 2010 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Conservation | $4,015,000 | 2009 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Conservation | $1,500,000 | 2009 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Conservation | $150,000 | 2009 | VA |
| The William and Flora Hewlett Foundation | California Trout | Conservation | $100,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Pepperwood Foundation | Conservation | $64,250 | 2018 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Conservation | $1,000,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Conservation | $1,650,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Conservation | $340,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Conservation | $2,000,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Conservation | $200,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Conservation | $400,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Conservation | $500,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | San Francisco Parks Alliance | Conservation | $200,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Conservation | $300,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Trust for Conservation Innovation | Conservation | $200,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Lands | Conservation | $450,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Keystone Center | Conservation | $115,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | National Audubon Society | Conservation | $175,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | Partners for Conservation | Conservation | $100,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | Center for American Progress | Conservation | $500,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | International Initiative for Impact Evaluation | Conservation | $125,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | League of Conservation Voters Education Fund | Conservation | $150,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Conservation | $100,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Conservation | $825,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Conservation | $1,500,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Heart of the Rockies Initiative | Conservation | $250,000 | 2018 | MT |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Conservation | $60,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Project on Organizing Development Education | Conservation | $100,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Conservation | $1,200,000 | 2018 | PA |
| The William and Flora Hewlett Foundation | Society of Environmental Journalists | Conservation | $130,000 | 2018 | PA |
| The William and Flora Hewlett Foundation | Society of Environmental Journalists | Conservation | $200,000 | 2018 | PA |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Conservation | $130,050 | 2018 | VA |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Conservation | $765,000 | 2018 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | Conservation | $250,000 | 2018 | VA |
| The William and Flora Hewlett Foundation | The Conservation Fund | Conservation | $70,000 | 2018 | VA |
| The William and Flora Hewlett Foundation | Sand County Foundation | Conservation | $20,000 | 2018 | WI |
| The William and Flora Hewlett Foundation | Sand County Foundation | Conservation | $103,000 | 2018 | WI |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Fracking | $1,500,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Fracking | $300,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Fracking | $100,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Fracking | $150,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Fracking | $383,000 | 2014 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Fracking | $467,000 | 2013 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Fracking | $600,000 | 2012 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Fracking | $700,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Fracking | $600,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Fracking | $280,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Fracking | $200,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Fracking | $200,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | Grand Canyon Trust | General operations | $462,500 | 2015 | AZ |
| The William and Flora Hewlett Foundation | Grand Canyon Trust | General operations | $462,500 | 2014 | AZ |
| The William and Flora Hewlett Foundation | Grand Canyon Trust | General operations | $332,500 | 2010 | AZ |
| The William and Flora Hewlett Foundation | Grand Canyon Trust | General operations | $375,000 | 2009 | AZ |
| The William and Flora Hewlett Foundation | Grand Canyon Trust | General operations | $375,000 | 2008 | AZ |
| The William and Flora Hewlett Foundation | Grand Canyon Trust | General operations | $375,000 | 2008 | AZ |
| The William and Flora Hewlett Foundation | Asian Pacific Environmental Network | General operations | $50,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Asian Pacific Environmental Network | General operations | $50,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Asian Pacific Environmental Network | General operations | $145,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Breakthrough Institute | General operations | $150,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | California League of Conservation Voters | General operations | $20,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | CALSTART | General operations | $200,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | CALSTART | General operations | $200,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | CALSTART | General operations | $200,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | CALSTART | General operations | $120,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | CALSTART | General operations | $120,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | CALSTART | General operations | $89,500 | 2012 | CA |
| The William and Flora Hewlett Foundation | CALSTART | General operations | $180,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | CALSTART | General operations | $350,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Center for Energy Efficiency and Renewable Technologies | General operations | $100,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Center for Energy Efficiency and Renewable Technologies | General operations | $100,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Center for Energy Efficiency and Renewable Technologies | General operations | $100,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Center for Energy Efficiency and Renewable Technologies | General operations | $100,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Center for Energy Efficiency and Renewable Technologies | General operations | $150,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Center for Energy Efficiency and Renewable Technologies | General operations | $200,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Center for Energy Efficiency and Renewable Technologies | General operations | $200,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Center for Energy Efficiency and Renewable Technologies | General operations | $100,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Center on Race Poverty and the Environment | General operations | $35,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Center on Race Poverty and the Environment | General operations | $40,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Center on Race Poverty and the Environment | General operations | $26,400 | 2010 | CA |
| The William and Flora Hewlett Foundation | Center on Race Poverty and the Environment | General operations | $15,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Climate Policy Initiative | General operations | $1,500,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | General operations | $20,000,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | General operations | $150,000,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | General operations | $100,000,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | General operations | $100,000,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | General operations | $150,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | General operations | $100,000,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | General operations | $100,000,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | General operations | $20,410,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | General operations | $125,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | General operations | $60,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | General operations | $600,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | General operations | $750,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | General operations | $750,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | General operations | $750,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | General operations | $125,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | General operations | $125,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | General operations | $800,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | General operations | $30,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | General operations | $900,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | General operations | $800,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | General operations | $125,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | General operations | $22,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | COFEM | General operations | $50,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | COFEM | General operations | $50,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Common Counsel Foundation | General operations | $9,457 | 2009 | CA |
| The William and Flora Hewlett Foundation | Communities for a Better Environment | General operations | $66,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Communities for a Better Environment | General operations | $37,500 | 2008 | CA |
| The William and Flora Hewlett Foundation | Communities for a Better Environment | General operations | $37,500 | 2008 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | General operations | $50,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | General operations | $39,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | General operations | $39,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | General operations | $39,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | General operations | $39,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | General operations | $35,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | General operations | $35,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | General operations | $35,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | General operations | $30,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | General operations | $15,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | General operations | $15,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Earth Island Institute | General operations | $5,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Earthjustice | General operations | $1,588,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Earthjustice | General operations | $700,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Earthjustice | General operations | $175,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Earthjustice | General operations | $350,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Earthjustice | General operations | $50,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $10,450,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $17,450,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $5,725,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $17,175,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $10,300,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $1,810,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $502,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $5,000,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $5,000,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $502,500 | 2012 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $5,000,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $1,333,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $502,500 | 2011 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $5,000,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $1,835,500 | 2010 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $333,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $6,300,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $2,168,500 | 2009 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $2,000,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $1,665,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $3,833,500 | 2008 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $2,000,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | General operations | $1,166,500 | 2008 | CA |
| The William and Flora Hewlett Foundation | Environmental Justice Coalition for Water | General operations | $150,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Environmental Justice Coalition for Water | General operations | $150,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Fresno County Medical Society | General operations | $75,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Fresno County Medical Society | General operations | $75,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Fresno Metropolitan Ministry | General operations | $160,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Fresno Metropolitan Ministry | General operations | $90,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Fresno Metropolitan Ministry | General operations | $90,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Fresno Metropolitan Ministry | General operations | $90,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Green Corps | General operations | $75,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Green Corps | General operations | $25,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | GreenInfo Network | General operations | $75,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Groundswell Fund | General operations | $2,000,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Groundswell Fund | General operations | $300,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Innovation Center for Energy and Transportation | General operations | $300,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Innovation Center for Energy and Transportation | General operations | $30,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Labor and Community Strategy Center | General operations | $50,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Latino Issues Forum | General operations | $50,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | General operations | $458,333 | 2011 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | General operations | $458,333 | 2010 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | General operations | $458,333 | 2010 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | General operations | $916,666 | 2009 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | General operations | $458,334 | 2009 | CA |
| The William and Flora Hewlett Foundation | People for Open Space | General operations | $200,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | People for Open Space | General operations | $35,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Plug In America | General operations | $100,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Plug In America | General operations | $40,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Proyecto Fronterizo de Educacion Ambiental | General operations | $100,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Redefining Progress | General operations | $9,500 | 2008 | CA |
| The William and Flora Hewlett Foundation | Regeneration Project | General operations | $350,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Resource Media | General operations | $40,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Resource Media | General operations | $500,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Resource Media | General operations | $500,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Resource Media | General operations | $50,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Resource Media | General operations | $1,000,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | General operations | $6,850,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | General operations | $220,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | General operations | $200,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | San Francisco Foundation | General operations | $350,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | San Francisco Parks Alliance | General operations | $75,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | General operations | $800,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Social and Environmental Entrepreneurs | General operations | $55,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | TransForm | General operations | $150,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | TransForm | General operations | $200,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | TransForm | General operations | $150,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | TransForm | General operations | $300,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | TransForm | General operations | $200,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | TransForm | General operations | $200,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Transportation and Land Use Coalition | General operations | $200,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Transportation and Land Use Coalition | General operations | $200,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Transportation and Land Use Coalition | General operations | $32,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Trips for Kids | General operations | $50,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Trips for Kids | General operations | $40,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | General operations | $35,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | General operations | $450,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | General operations | $20,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Urban Habitat | General operations | $50,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Urban Habitat | General operations | $35,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Urban Habitat | General operations | $30,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Water Foundation | General operations | $1,850,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Aspen Global Change Institute | General operations | $100,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | Aspen Global Change Institute | General operations | $200,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | Campaign for America's Wilderness | General operations | $475,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | Colorado College | General operations | $175,000 | 2013 | CO |
| The William and Flora Hewlett Foundation | Colorado Conservation Trust | General operations | $220,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | Colorado Conservation Trust | General operations | $220,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | Colorado Conservation Trust | General operations | $440,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | Colorado Conservation Voters Education Fund | General operations | $15,000 | 2015 | CO |
| The William and Flora Hewlett Foundation | Colorado Environmental Coalition | General operations | $25,000 | 2013 | CO |
| The William and Flora Hewlett Foundation | Colorado Environmental Coalition | General operations | $20,000 | 2012 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | General operations | $500,000 | 2017 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | General operations | $500,000 | 2014 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | General operations | $200,000 | 2013 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | General operations | $230,000 | 2012 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | General operations | $200,000 | 2012 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | General operations | $200,000 | 2012 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | General operations | $230,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | General operations | $230,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | General operations | $200,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | EcoFlight | General operations | $150,000 | 2017 | CO |
| The William and Flora Hewlett Foundation | EcoFlight | General operations | $150,000 | 2014 | CO |
| The William and Flora Hewlett Foundation | EcoFlight | General operations | $150,000 | 2012 | CO |
| The William and Flora Hewlett Foundation | EcoFlight | General operations | $150,000 | 2012 | CO |
| The William and Flora Hewlett Foundation | EcoFlight | General operations | $350,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | EcoFlight | General operations | $150,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | EcoFlight | General operations | $200,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | EcoFlight | General operations | $200,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | EcoFlight | General operations | $200,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | EcoFlight | General operations | $75,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | High Country News | General operations | $100,000 | 2014 | CO |
| The William and Flora Hewlett Foundation | High Country News | General operations | $100,000 | 2013 | CO |
| The William and Flora Hewlett Foundation | High Country News | General operations | $100,000 | 2012 | CO |
| The William and Flora Hewlett Foundation | High Country News | General operations | $200,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | High Country News | General operations | $100,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | High Country News | General operations | $100,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | High Country News | General operations | $100,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | High Country News | General operations | $12,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | High Country News | General operations | $100,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | High Country News | General operations | $100,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | High Country News | General operations | $100,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | High Country News | General operations | $100,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | National Conservation System Foundation | General operations | $200,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | National Conservation System Foundation | General operations | $200,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | National Conservation System Foundation | General operations | $200,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | National Conservation System Foundation | General operations | $200,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | National Conservation System Foundation | General operations | $200,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | Rocky Mountain Institute | General operations | $150,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | Southwest Energy Efficiency Project | General operations | $100,000 | 2014 | CO |
| The William and Flora Hewlett Foundation | Southwest Energy Efficiency Project | General operations | $150,000 | 2013 | CO |
| The William and Flora Hewlett Foundation | Southwest Energy Efficiency Project | General operations | $300,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | Southwest Energy Efficiency Project | General operations | $160,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | Southwest Energy Efficiency Project | General operations | $160,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | Southwest Energy Efficiency Project | General operations | $160,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | General operations | $10,500,000 | 2017 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | General operations | $500,000 | 2017 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | General operations | $4,750,000 | 2016 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | General operations | $350,000 | 2016 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | General operations | $150,000 | 2016 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | General operations | $35,000 | 2015 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | General operations | $2,500,000 | 2014 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | General operations | $2,200,000 | 2013 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | General operations | $200,000 | 2013 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | General operations | $2,000,000 | 2012 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | General operations | $2,000,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | General operations | $2,000,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | General operations | $2,470,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | General operations | $2,500,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | General operations | $300,000 | 2017 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | General operations | $300,000 | 2017 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | General operations | $400,000 | 2016 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | General operations | $7,000 | 2015 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | General operations | $83,000 | 2013 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | General operations | $25,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | African Center for Economic Transformation | General operations | $800,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | American Rivers | General operations | $25,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | General operations | $1,200,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | General operations | $666,666 | 2017 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | General operations | $666,668 | 2015 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | General operations | $600,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | General operations | $300,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | General operations | $2,000,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | General operations | $2,000,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | General operations | $2,000,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Brookings Institution | General operations | $600,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Brookings Institution | General operations | $600,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Brookings Institution | General operations | $1,200,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Brookings Institution | General operations | $600,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Carnegie Endowment for International Peace | General operations | $550,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Center for Lobbying in the Public Interest | General operations | $10,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | General operations | $2,500,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Coalition for Green Capital | General operations | $350,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Defenders of Wildlife | General operations | $42,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | EarthRights International | General operations | $300,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Electrification Coalition Foundation | General operations | $100,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Electrification Coalition Foundation | General operations | $100,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Environmental Integrity Project | General operations | $100,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Environmental Integrity Project | General operations | $150,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Environmental Integrity Project | General operations | $150,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Environmental Integrity Project | General operations | $150,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Environmental Integrity Project | General operations | $150,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Environmental Law Institute | General operations | $315,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Environmental Working Group | General operations | $600,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Greenpeace Fund | General operations | $575,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | International Council on Clean Transportation | General operations | $1,375,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | International Council on Clean Transportation | General operations | $2,350,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | International Council on Clean Transportation | General operations | $1,000,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | International Council on Clean Transportation | General operations | $1,350,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | International Council on Clean Transportation | General operations | $1,350,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | International Council on Clean Transportation | General operations | $2,700,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | International Council on Clean Transportation | General operations | $1,700,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | International Initiative for Impact Evaluation | General operations | $2,000,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | International Initiative for Impact Evaluation | General operations | $2,000,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Island Press Center for Resource Economics | General operations | $100,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | General operations | $1,000,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | General operations | $650,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Niskanen Center for Public Policy | General operations | $200,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Oceana | General operations | $1,000,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Oil Change International | General operations | $150,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Project on Government Oversight | General operations | $70,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | R Street Institute | General operations | $250,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Securing America's Future Energy Foundation | General operations | $36,800 | 2015 | DC |
| The William and Flora Hewlett Foundation | Securing America's Future Energy Foundation | General operations | $30,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Securing America's Future Energy Foundation | General operations | $200,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Securing America's Future Energy Foundation | General operations | $300,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Securing America's Future Energy Foundation | General operations | $300,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Securing Americas Future Energy Foundation | General operations | $600,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Society for Conservation Biology | General operations | $50,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Society for Conservation Biology | General operations | $50,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | General operations | $100,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | General operations | $15,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | General operations | $30,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | General operations | $30,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | General operations | $150,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | General operations | $150,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Third Way Institute | General operations | $300,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | General operations | $40,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | General operations | $40,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | General operations | $30,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | General operations | $50,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | General operations | $40,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | General operations | $25,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | General operations | $515,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | General operations | $150,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | General operations | $50,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | General operations | $100,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Idaho Conservation League | General operations | $50,000 | 2017 | ID |
| The William and Flora Hewlett Foundation | Idaho Conservation League | General operations | $50,000 | 2014 | ID |
| The William and Flora Hewlett Foundation | Environmental Law and Policy Center of the Midwest | General operations | $300,000 | 2012 | IL |
| The William and Flora Hewlett Foundation | Environmental Law and Policy Center of the Midwest | General operations | $200,000 | 2009 | IL |
| The William and Flora Hewlett Foundation | Environmental Law and Policy Center of the Midwest | General operations | $200,000 | 2008 | IL |
| The William and Flora Hewlett Foundation | Environmental Law and Policy Center of the Midwest | General operations | $200,000 | 2008 | IL |
| The William and Flora Hewlett Foundation | Clean Air Task Force | General operations | $500,000 | 2017 | MA |
| The William and Flora Hewlett Foundation | Clean Air Task Force | General operations | $1,000,000 | 2014 | MA |
| The William and Flora Hewlett Foundation | Clean Air Task Force | General operations | $1,000,000 | 2014 | MA |
| The William and Flora Hewlett Foundation | Clean Air Task Force | General operations | $400,000 | 2013 | MA |
| The William and Flora Hewlett Foundation | Harvard University | General operations | $300,000 | 2009 | MA |
| The William and Flora Hewlett Foundation | Institute for Multi-Stakeholder Initiative Integrity | General operations | $200,000 | 2017 | MA |
| The William and Flora Hewlett Foundation | Tufts College | General operations | $498,260 | 2009 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | General operations | $225,000 | 2008 | MA |
| The William and Flora Hewlett Foundation | SeaWeb | General operations | $100,000 | 2008 | MD |
| The William and Flora Hewlett Foundation | Conserve America | General operations | $26,000 | 2012 | MI |
| The William and Flora Hewlett Foundation | Instream Flow Council | General operations | $50,000 | 2008 | MI |
| The William and Flora Hewlett Foundation | Instream Flow Council | General operations | $50,000 | 2008 | MI |
| The William and Flora Hewlett Foundation | National Association of Environmental Law Societies | General operations | $100,000 | 2008 | MI |
| The William and Flora Hewlett Foundation | Blue Green Alliance Foundation | General operations | $500,000 | 2017 | MN |
| The William and Flora Hewlett Foundation | Blue Green Alliance Foundation | General operations | $300,000 | 2014 | MN |
| The William and Flora Hewlett Foundation | Blue Green Alliance Foundation | General operations | $30,000 | 2014 | MN |
| The William and Flora Hewlett Foundation | Blue Green Alliance Foundation | General operations | $220,000 | 2013 | MN |
| The William and Flora Hewlett Foundation | Blue Green Alliance Foundation | General operations | $1,230,000 | 2012 | MN |
| The William and Flora Hewlett Foundation | Blue Green Alliance Foundation | General operations | $400,000 | 2010 | MN |
| The William and Flora Hewlett Foundation | Great Plains Institute for Sustainable Development | General operations | $1,500,000 | 2017 | MN |
| The William and Flora Hewlett Foundation | Great Plains Institute for Sustainable Development | General operations | $125,000 | 2015 | MN |
| The William and Flora Hewlett Foundation | Great Plains Institute for Sustainable Development | General operations | $125,000 | 2014 | MN |
| The William and Flora Hewlett Foundation | Great Plains Institute for Sustainable Development | General operations | $70,000 | 2013 | MN |
| The William and Flora Hewlett Foundation | Backcountry Hunters and Anglers | General operations | $200,000 | 2017 | MT |
| The William and Flora Hewlett Foundation | Climate Conservation | General operations | $37,500 | 2017 | MT |
| The William and Flora Hewlett Foundation | Greater Yellowstone Coalition | General operations | $425,000 | 2015 | MT |
| The William and Flora Hewlett Foundation | Greater Yellowstone Coalition | General operations | $20,000 | 2015 | MT |
| The William and Flora Hewlett Foundation | Greater Yellowstone Coalition | General operations | $425,000 | 2014 | MT |
| The William and Flora Hewlett Foundation | Greater Yellowstone Coalition | General operations | $425,000 | 2013 | MT |
| The William and Flora Hewlett Foundation | Greater Yellowstone Coalition | General operations | $425,000 | 2012 | MT |
| The William and Flora Hewlett Foundation | Greater Yellowstone Coalition | General operations | $425,000 | 2012 | MT |
| The William and Flora Hewlett Foundation | Greater Yellowstone Coalition | General operations | $25,000 | 2012 | MT |
| The William and Flora Hewlett Foundation | Greater Yellowstone Coalition | General operations | $19,000 | 2012 | MT |
| The William and Flora Hewlett Foundation | Greater Yellowstone Coalition | General operations | $400,000 | 2011 | MT |
| The William and Flora Hewlett Foundation | Greater Yellowstone Coalition | General operations | $19,000 | 2011 | MT |
| The William and Flora Hewlett Foundation | Greater Yellowstone Coalition | General operations | $25,000 | 2010 | MT |
| The William and Flora Hewlett Foundation | Greater Yellowstone Coalition | General operations | $375,000 | 2008 | MT |
| The William and Flora Hewlett Foundation | Headwaters Economics | General operations | $150,000 | 2014 | MT |
| The William and Flora Hewlett Foundation | Headwaters Economics | General operations | $150,000 | 2013 | MT |
| The William and Flora Hewlett Foundation | Headwaters Economics | General operations | $150,000 | 2011 | MT |
| The William and Flora Hewlett Foundation | Headwaters Economics | General operations | $150,000 | 2011 | MT |
| The William and Flora Hewlett Foundation | Headwaters Economics | General operations | $150,000 | 2010 | MT |
| The William and Flora Hewlett Foundation | Headwaters Economics | General operations | $45,000 | 2009 | MT |
| The William and Flora Hewlett Foundation | Headwaters Economics | General operations | $400,000 | 2008 | MT |
| The William and Flora Hewlett Foundation | Headwaters Economics | General operations | $200,000 | 2008 | MT |
| The William and Flora Hewlett Foundation | Institute for Journalism and Natural Resources | General operations | $450,000 | 2009 | MT |
| The William and Flora Hewlett Foundation | Institutes for Journalism and Natural Resources | General operations | $20,000 | 2012 | MT |
| The William and Flora Hewlett Foundation | Montana Wilderness Association | General operations | $100,000 | 2017 | MT |
| The William and Flora Hewlett Foundation | Montana Wilderness Association | General operations | $65,000 | 2014 | MT |
| The William and Flora Hewlett Foundation | Montana Wilderness Association | General operations | $50,000 | 2013 | MT |
| The William and Flora Hewlett Foundation | Montana Wilderness Association | General operations | $50,000 | 2012 | MT |
| The William and Flora Hewlett Foundation | Western Organization of Resource Councils | General operations | $200,000 | 2014 | MT |
| The William and Flora Hewlett Foundation | Duke University | General operations | $40,000 | 2010 | NC |
| The William and Flora Hewlett Foundation | Princeton University | General operations | $200,000 | 2009 | NJ |
| The William and Flora Hewlett Foundation | Princeton University | General operations | $200,000 | 2008 | NJ |
| The William and Flora Hewlett Foundation | Western Landowners Alliance | General operations | $100,000 | 2017 | NM |
| The William and Flora Hewlett Foundation | Audubon Society, National | General operations | $175,000 | 2013 | NY |
| The William and Flora Hewlett Foundation | Audubon Society, National | General operations | $50,000 | 2013 | NY |
| The William and Flora Hewlett Foundation | Audubon Society, National | General operations | $50,000 | 2010 | NY |
| The William and Flora Hewlett Foundation | Audubon Society, National | General operations | $300,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Audubon Society, National | General operations | $50,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Environmental Grantmakers Association | General operations | $67,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Environmental Grantmakers Association | General operations | $67,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | Environmental Grantmakers Association | General operations | $64,000 | 2014 | NY |
| The William and Flora Hewlett Foundation | Environmental Grantmakers Association | General operations | $50,000 | 2013 | NY |
| The William and Flora Hewlett Foundation | Environmental Grantmakers Association | General operations | $50,000 | 2012 | NY |
| The William and Flora Hewlett Foundation | Environmental Grantmakers Association | General operations | $50,000 | 2012 | NY |
| The William and Flora Hewlett Foundation | Environmental Grantmakers Association | General operations | $100,000 | 2011 | NY |
| The William and Flora Hewlett Foundation | Environmental Grantmakers Association | General operations | $90,000 | 2011 | NY |
| The William and Flora Hewlett Foundation | Environmental Grantmakers Association | General operations | $50,000 | 2010 | NY |
| The William and Flora Hewlett Foundation | Environmental Grantmakers Association | General operations | $100,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Environmental Grantmakers Association | General operations | $50,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Environmental Grantmakers Association | General operations | $150,000 | 2008 | NY |
| The William and Flora Hewlett Foundation | Environmental Grantmakers Association | General operations | $10,000 | 2008 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | General operations | $40,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | General operations | $30,000 | 2014 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | General operations | $500,000 | 2011 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | General operations | $500,000 | 2011 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | General operations | $1,000,000 | 2010 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | General operations | $525,000 | 2010 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | General operations | $525,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | General operations | $525,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | General operations | $20,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | General operations | $450,000 | 2008 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | General operations | $250,000 | 2008 | NY |
| The William and Flora Hewlett Foundation | Natural Resource Governance Institute | General operations | $1,500,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Natural Resource Governance Institute | General operations | $2,000,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | Natural Resource Governance Institute | General operations | $2,000,000 | 2014 | NY |
| The William and Flora Hewlett Foundation | Natural Resource Governance Institute | General operations | $200,000 | 2014 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | General operations | $1,500,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Outward Bound | General operations | $90,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Family Fund | General operations | $100,000 | 2011 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Philanthropy Advisors | General operations | $100,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Philanthropy Advisors | General operations | $100,000 | 2008 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Philanthropy Advisors | General operations | $100,000 | 2008 | NY |
| The William and Flora Hewlett Foundation | SeaChange Capital Partners | General operations | $250,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Institute for Energy Economics and Financial Analysis | General operations | $200,000 | 2017 | OH |
| The William and Flora Hewlett Foundation | Renewable Northwest Project | General operations | $100,000 | 2009 | OR |
| The William and Flora Hewlett Foundation | Renewable Northwest Project | General operations | $100,000 | 2008 | OR |
| The William and Flora Hewlett Foundation | Sustainable Northwest | General operations | $30,000 | 2016 | OR |
| The William and Flora Hewlett Foundation | Sustainable Northwest | General operations | $100,000 | 2010 | OR |
| The William and Flora Hewlett Foundation | Sustainable Northwest | General operations | $30,000 | 2010 | OR |
| The William and Flora Hewlett Foundation | Sustainable Northwest | General operations | $100,000 | 2009 | OR |
| The William and Flora Hewlett Foundation | Sustainable Northwest | General operations | $100,000 | 2009 | OR |
| The William and Flora Hewlett Foundation | Society of Environmental Journalists | General operations | $175,000 | 2009 | PA |
| The William and Flora Hewlett Foundation | Society of Environmental Journalists | General operations | $175,000 | 2008 | PA |
| The William and Flora Hewlett Foundation | Society of Environmental Journalists | General operations | $175,000 | 2008 | PA |
| The William and Flora Hewlett Foundation | Society of Environmental Journalists | General operations | $50,000 | 2008 | PA |
| The William and Flora Hewlett Foundation | Society of Environmental Journalists | General operations | $50,000 | 2008 | PA |
| The William and Flora Hewlett Foundation | Public Land Solutions | General operations | $125,000 | 2017 | UT |
| The William and Flora Hewlett Foundation | Public Land Solutions | General operations | $100,000 | 2015 | UT |
| The William and Flora Hewlett Foundation | Energy Innovation Reform Project | General operations | $300,000 | 2017 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | General operations | $80,000 | 2013 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | General operations | $10,000 | 2013 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | General operations | $122,000 | 2011 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | General operations | $350,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | General operations | $175,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Nature Conservancy | General operations | $175,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | General operations | $40,000 | 2015 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | General operations | $15,000 | 2014 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | General operations | $50,000 | 2013 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | General operations | $50,000 | 2011 | VA |
| The William and Flora Hewlett Foundation | Virginia Organizing | General operations | $15,000 | 2012 | VA |
| The William and Flora Hewlett Foundation | Virginia Organizing | General operations | $10,000 | 2012 | VA |
| The William and Flora Hewlett Foundation | Regulatory Assistance Project | General operations | $100,000 | 2013 | VT |
| The William and Flora Hewlett Foundation | Conservation Northwest | General operations | $20,000 | 2009 | WA |
| The William and Flora Hewlett Foundation | Northwest Energy Coalition | General operations | $100,000 | 2009 | WA |
| The William and Flora Hewlett Foundation | Northwest Energy Coalition | General operations | $100,000 | 2008 | WA |
| The William and Flora Hewlett Foundation | Save Our Wild Salmon Coalition | General operations | $100,000 | 2009 | WA |
| The William and Flora Hewlett Foundation | Western Lands Project | General operations | $50,000 | 2009 | WA |
| The William and Flora Hewlett Foundation | Western Lands Project | General operations | $50,000 | 2008 | WA |
| The William and Flora Hewlett Foundation | Sand County Foundation | General operations | $175,000 | 2014 | WI |
| The William and Flora Hewlett Foundation | We Own it | General operations | $150,000 | 2017 | WI |
| The William and Flora Hewlett Foundation | LightHawk | General operations | $75,000 | 2010 | WY |
| The William and Flora Hewlett Foundation | LightHawk | General operations | $100,000 | 2008 | WY |
| The William and Flora Hewlett Foundation | LightHawk | General operations | $100,000 | 2008 | WY |
| The William and Flora Hewlett Foundation | Asian Pacific Environmental Network | General operations | $50,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Climate Policy Initiative | General operations | $1,250,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Climate Policy Initiative | General operations | $100,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Climateworks Foundation | General operations | $4,400,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | General operations | $125,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | General operations | $50,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Dream Corps | General operations | $500,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Earthjustice | General operations | $1,400,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Earthjustice | General operations | $450,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Greenlining Institute | General operations | $250,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | General operations | $1,500,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | General operations | $375,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | The Energy Foundation | General operations | $21,000,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Conservation Colorado | General operations | $200,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | Conservation Colorado | General operations | $200,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | General operations | $500,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | Ecoflight | General operations | $150,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | Rocky Mountain Institute | General operations | $1,450,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | Western Conservation | General operations | $2,000,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | Western Conservation | General operations | $350,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | Earthrights International | General operations | $300,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Power Shift Network | General operations | $100,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Idaho Conservation League | General operations | $50,000 | 2018 | ID |
| The William and Flora Hewlett Foundation | Idaho Conservation League | General operations | $30,000 | 2018 | ID |
| The William and Flora Hewlett Foundation | Clean Air Task Force | General operations | $500,000 | 2018 | MA |
| The William and Flora Hewlett Foundation | Climate Conservation | General operations | $37,500 | 2018 | MT |
| The William and Flora Hewlett Foundation | Western Organization of Resource Councils | General operations | $450,000 | 2018 | MT |
| The William and Flora Hewlett Foundation | Environmental Grantmakers | General operations | $67,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Natural Resource Governance Institute | General operations | $1,500,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Wild Salmon Center | General operations | $150,000 | 2018 | OR |
| The William and Flora Hewlett Foundation | Young Conservatives for Energy Reform | General operations | $150,000 | 2018 | SC |
| The William and Flora Hewlett Foundation | Public Land Solutions | General operations | $125,000 | 2018 | UT |
| The William and Flora Hewlett Foundation | Energy Innovation Reform Project | General operations | $300,000 | 2018 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | General operations | $250,000 | 2018 | VA |
| The William and Flora Hewlett Foundation | Asian Pacific Environmental Network | Miscellaneous | $30,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Asian Pacific Environmental Network | Miscellaneous | $85,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Berkeley Lab Foundation | Miscellaneous | $1,000,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Berkeley Lab Foundation | Miscellaneous | $500,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Miscellaneous | $7,500,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Communities for a Better Environment | Miscellaneous | $75,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Communities for a Better Environment | Miscellaneous | $50,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Consultative Group on Biological Diversity | Miscellaneous | $50,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Consumers Union of United States | Miscellaneous | $125,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Consumers Union of United States | Miscellaneous | $88,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Earth Island Institute | Miscellaneous | $150,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Earth Island Institute | Miscellaneous | $65,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Earth Island Institute | Miscellaneous | $30,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Earth Island Institute | Miscellaneous | $50,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Miscellaneous | $13,078,500 | 2017 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Miscellaneous | $250,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Miscellaneous | $6,000,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Miscellaneous | $75,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Miscellaneous | $300,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Green for All | Miscellaneous | $50,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Green for All | Miscellaneous | $100,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Green for All | Miscellaneous | $150,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Greenlining Institute | Miscellaneous | $150,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Greenlining Institute | Miscellaneous | $60,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Greenlining Institute | Miscellaneous | $60,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Miscellaneous | $100,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Miscellaneous | $50,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Nautilus of America | Miscellaneous | $325,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Non-Profit Housing Association of Northern California | Miscellaneous | $50,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Non-Profit Housing Association of Northern California | Miscellaneous | $50,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Philanthropic Ventures Foundation | Miscellaneous | $50,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Proyecto Fronterizo de Educacion Ambiental | Miscellaneous | $100,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Public Advocates | Miscellaneous | $50,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Resource Legacy Fund | Miscellaneous | $800,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Miscellaneous | $1,500,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Miscellaneous | $325,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Miscellaneous | $500,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Miscellaneous | $250,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Miscellaneous | $35,075 | 2017 | CA |
| The William and Flora Hewlett Foundation | San Francisco Foundation | Miscellaneous | $200,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | San Francisco Foundation | Miscellaneous | $130,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | San Francisco Parks Alliance | Miscellaneous | $37,600 | 2017 | CA |
| The William and Flora Hewlett Foundation | San Francisco Parks Alliance | Miscellaneous | $200,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | San Francisco Parks Alliance | Miscellaneous | $150,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Save the Bay | Miscellaneous | $110,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Sonoma State University Academic Foundation | Miscellaneous | $100,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Stanford University | Miscellaneous | $100,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Stanford University Board of Trustees of the Lelan | Miscellaneous | $400,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | TransForm | Miscellaneous | $50,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Trips for Kids | Miscellaneous | $30,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Trust for Conservation Innovation | Miscellaneous | $200,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Miscellaneous | $450,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Miscellaneous | $250,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Miscellaneous | $250,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Miscellaneous | $32,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Miscellaneous | $200,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Miscellaneous | $200,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Miscellaneous | $200,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Urban Habitat | Miscellaneous | $140,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Urban Habitat | Miscellaneous | $40,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Conservation Colorado | Miscellaneous | $45,000 | 2017 | CO |
| The William and Flora Hewlett Foundation | Conservation Colorado | Miscellaneous | $18,000 | 2016 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | Miscellaneous | $20,000 | 2017 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | Miscellaneous | $25,000 | 2016 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | Miscellaneous | $250,000 | 2013 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | Miscellaneous | $250,000 | 2012 | CO |
| The William and Flora Hewlett Foundation | Keystone Center | Miscellaneous | $25,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | Rocky Mountain Institute | Miscellaneous | $250,000 | 2017 | CO |
| The William and Flora Hewlett Foundation | Rocky Mountain Institute | Miscellaneous | $250,000 | 2017 | CO |
| The William and Flora Hewlett Foundation | African Center for Economic Transformation | Miscellaneous | $410,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | American Lung Association | Miscellaneous | $75,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Miscellaneous | $150,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Miscellaneous | $300,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Center for a New American Security | Miscellaneous | $160,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Center for American Progress | Miscellaneous | $300,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Center for National Policy | Miscellaneous | $150,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Miscellaneous | $590,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Coalition for Green Capital | Miscellaneous | $45,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Coalition for Green Capital | Miscellaneous | $100,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Earthworks | Miscellaneous | $35,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Environmental Working Group | Miscellaneous | $100,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | Environmental Working Group | Miscellaneous | $100,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Environmental Working Group | Miscellaneous | $100,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Environmental Working Group | Miscellaneous | $100,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Environmental Working Group | Miscellaneous | $900,035 | 2009 | DC |
| The William and Flora Hewlett Foundation | Environmental Working Group | Miscellaneous | $900,035 | 2008 | DC |
| The William and Flora Hewlett Foundation | Environmental Working Group | Miscellaneous | $200,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | International Initiative for Impact Evaluation | Miscellaneous | $110,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | League of Conservation Voters Education Fund | Miscellaneous | $400,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | National Academy of Sciences | Miscellaneous | $50,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Miscellaneous | $150,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Miscellaneous | $150,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Miscellaneous | $200,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Miscellaneous | $200,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Miscellaneous | $400,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Miscellaneous | $100,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | R Street Institute | Miscellaneous | $350,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Salzburg Global Seminar | Miscellaneous | $225,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Securing Americas Future Energy Foundation | Miscellaneous | $30,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Taxpayers for Common Sense | Miscellaneous | $300,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | United Nations Foundation | Miscellaneous | $750,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | United Nations Foundation | Miscellaneous | $640,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | United Nations Foundation | Miscellaneous | $420,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Miscellaneous | $50,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Miscellaneous | $40,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Environmental Law and Policy Center of the Midwest | Miscellaneous | $69,000 | 2016 | IL |
| The William and Flora Hewlett Foundation | Shared-Use Mobility Center | Miscellaneous | $39,220 | 2016 | IL |
| The William and Flora Hewlett Foundation | Boston University | Miscellaneous | $255,000 | 2017 | MA |
| The William and Flora Hewlett Foundation | Conservation Law Foundation | Miscellaneous | $70,000 | 2016 | MA |
| The William and Flora Hewlett Foundation | Oxfam America | Miscellaneous | $30,000 | 2017 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Miscellaneous | $200,000 | 2012 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Miscellaneous | $225,000 | 2009 | MA |
| The William and Flora Hewlett Foundation | SeaWeb | Miscellaneous | $100,000 | 2010 | MD |
| The William and Flora Hewlett Foundation | Blue Green Alliance Foundation | Miscellaneous | $330,000 | 2011 | MN |
| The William and Flora Hewlett Foundation | Blue Green Alliance Foundation | Miscellaneous | $170,000 | 2011 | MN |
| The William and Flora Hewlett Foundation | Saint Marys University of Minnesota | Miscellaneous | $75,000 | 2017 | MN |
| The William and Flora Hewlett Foundation | Backcountry Hunters and Anglers | Miscellaneous | $100,000 | 2014 | MT |
| The William and Flora Hewlett Foundation | Montana Wilderness Association | Miscellaneous | $30,000 | 2017 | MT |
| The William and Flora Hewlett Foundation | Audubon Society, National | Miscellaneous | $87,500 | 2012 | NY |
| The William and Flora Hewlett Foundation | B Team Headquarters | Miscellaneous | $375,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Natural Resource Governance Institute | Miscellaneous | $75,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Miscellaneous | $75,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Open Space Institute | Miscellaneous | $250,000 | 2013 | NY |
| The William and Flora Hewlett Foundation | Outward Bound | Miscellaneous | $45,000 | 2011 | NY |
| The William and Flora Hewlett Foundation | Outward Bound | Miscellaneous | $90,000 | 2010 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Family Fund | Miscellaneous | $100,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Philanthropy Advisors | Miscellaneous | $1,500,000 | 2010 | NY |
| The William and Flora Hewlett Foundation | SDSN Association Inc | Miscellaneous | $320,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Sustainable Markets Foundation | Miscellaneous | $400,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Portland State University | Miscellaneous | $200,000 | 2009 | OR |
| The William and Flora Hewlett Foundation | Southern Alliance for Clean Energy | Miscellaneous | $40,000 | 2010 | TN |
| The William and Flora Hewlett Foundation | Energy Innovation Reform Project | Miscellaneous | $50,000 | 2017 | VA |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Miscellaneous | $25,000 | 2017 | VA |
| The William and Flora Hewlett Foundation | Regulatory Assistance Project | Miscellaneous | $50,000 | 2016 | VT |
| The William and Flora Hewlett Foundation | Breakthrough Institute | Miscellaneous | $30,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Climate Policy Initiative | Miscellaneous | $250,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Climate Policy Initiative | Miscellaneous | $1,000,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Climateworks Foundation | Miscellaneous | $140,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Climateworks Foundation | Miscellaneous | $50,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Climateworks Foundation | Miscellaneous | $2,500,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Compasspoint Nonprofit Services | Miscellaneous | $1,000,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund Incorporated | Miscellaneous | $300,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Impact Fund | Miscellaneous | $100,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Regents of the University of California at Berkely | Miscellaneous | $100,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Regents of the University of California at Berkely | Miscellaneous | $784,165 | 2018 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Miscellaneous | $100,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | The Energy Foundation | Miscellaneous | $6,500,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | The Energy Foundation | Miscellaneous | $7,750,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Yurok Tribal Council | Miscellaneous | $150,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Regents of the University of Colorado | Miscellaneous | $319,955 | 2018 | CO |
| The William and Flora Hewlett Foundation | Regents of the University of Colorado | Miscellaneous | $272,340 | 2018 | CO |
| The William and Flora Hewlett Foundation | Regents of the University of Colorado | Miscellaneous | $349,614 | 2018 | CO |
| The William and Flora Hewlett Foundation | Rocky Mountain Institute | Miscellaneous | $250,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | Rocky Mountain Institute | Miscellaneous | $250,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | Coalition for Green Capital | Miscellaneous | $350,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Hopewell Fund | Miscellaneous | $50,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | League of Conservation Voters Education Fund | Miscellaneous | $47,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | League of Conservation Voters Education Fund | Miscellaneous | $1,000,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Miscellaneous | $500,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | R Street Institute | Miscellaneous | $200,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | United Nations Foundation | Miscellaneous | $750,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | United Nations Foundation | Miscellaneous | $50,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | United Nations Foundation | Miscellaneous | $45,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Miscellaneous | $75,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Jobs for the Future | Miscellaneous | $363,000 | 2018 | MA |
| The William and Flora Hewlett Foundation | Jobs for the Future | Miscellaneous | $684,134 | 2018 | MA |
| The William and Flora Hewlett Foundation | OxfamAmerica | Miscellaneous | $900,000 | 2018 | MA |
| The William and Flora Hewlett Foundation | Trustees of Boston University | Miscellaneous | $100,000 | 2018 | MA |
| The William and Flora Hewlett Foundation | Environmental Grantmakers | Miscellaneous | $10,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Generalization Citizen | Miscellaneous | $250,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Generalization Citizen | Miscellaneous | $100,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Miscellaneous | $500,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Miscellaneous | $500,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Miscellaneous | $150,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Miscellaneous | $220,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Trustees of Columbia University | Miscellaneous | $380,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Trustees of Columbia University | Miscellaneous | $50,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Ohio Conservative Energy Forum | Miscellaneous | $100,000 | 2018 | OH |
| The William and Flora Hewlett Foundation | Institute for Strategic and Equitable Development | Miscellaneous | $100,000 | 2018 | SC |
| The William and Flora Hewlett Foundation | The National Association of State Energy Officials | Miscellaneous | $250,000 | 2018 | VA |
| The William and Flora Hewlett Foundation | Regulatory Assistance Project | Miscellaneous | $616,000 | 2018 | VT |
| The William and Flora Hewlett Foundation | Sonoran Institute | Oil and gas | $195,000 | 2015 | AZ |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Oil and gas | $1,000,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Oil and gas | $150,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Tides Foundation | Oil and gas | $2,000,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Tides Foundation | Oil and gas | $2,000,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Tides Foundation | Oil and gas | $2,000,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Tides Foundation | Oil and gas | $2,000,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Tides Foundation | Oil and gas | $3,000,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Trust for Public Land | Oil and gas | $450,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Alliance for Sustainable Energy | Oil and gas | $1,062,500 | 2017 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Oil and gas | $50,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Oil and gas | $280,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | Carnegie Endowment for International Peace | Oil and gas | $100,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Carnegie Endowment for International Peace | Oil and gas | $100,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Center for American Progress | Oil and gas | $75,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Center for American Progress | Oil and gas | $250,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Center for American Progress | Oil and gas | $200,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Defenders of Wildlife | Oil and gas | $66,666 | 2010 | DC |
| The William and Flora Hewlett Foundation | Defenders of Wildlife | Oil and gas | $66,666 | 2009 | DC |
| The William and Flora Hewlett Foundation | Defenders of Wildlife | Oil and gas | $66,667 | 2008 | DC |
| The William and Flora Hewlett Foundation | Defenders of Wildlife | Oil and gas | $66,666 | 2008 | DC |
| The William and Flora Hewlett Foundation | Earthworks | Oil and gas | $100,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Earthworks | Oil and gas | $100,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Earthworks | Oil and gas | $150,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Earthworks | Oil and gas | $20,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Environmental Working Group | Oil and gas | $125,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Environmental Working Group | Oil and gas | $125,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Environmental Working Group | Oil and gas | $125,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Global Witness Foundation | Oil and gas | $250,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Hispanic Access Foundation | Oil and gas | $80,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | League of Conservation Voters | Oil and gas | $75,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Oil and gas | $600,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Oil and gas | $600,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Oil and gas | $1,100,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Oil and gas | $500,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Oil and gas | $850,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Oil and gas | $500,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Oil and gas | $40,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Oil and gas | $1,600,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Oil and gas | $200,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Oil and gas | $1,675,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Oil and gas | $150,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Oil and gas | $550,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Oil and gas | $800,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Oil and gas | $150,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Oil and gas | $100,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | Oxfam America | Oil and gas | $830,000 | 2017 | MA |
| The William and Flora Hewlett Foundation | Oxfam America | Oil and gas | $480,000 | 2017 | MA |
| The William and Flora Hewlett Foundation | Oxfam America | Oil and gas | $280,000 | 2017 | MA |
| The William and Flora Hewlett Foundation | Oxfam America | Oil and gas | $260,000 | 2017 | MA |
| The William and Flora Hewlett Foundation | Oxfam America | Oil and gas | $258,301 | 2017 | MA |
| The William and Flora Hewlett Foundation | Audubon Society, National | Oil and gas | $300,000 | 2008 | NY |
| The William and Flora Hewlett Foundation | International Senior Lawyers Corporation | Oil and gas | $225,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Governance Institute | Oil and gas | $2,000,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Open Space Institute | Oil and gas | $400,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | Open Space Institute | Oil and gas | $400,000 | 2014 | NY |
| The William and Flora Hewlett Foundation | Open Space Institute | Oil and gas | $250,000 | 2012 | NY |
| The William and Flora Hewlett Foundation | Open Space Institute | Oil and gas | $250,000 | 2011 | NY |
| The William and Flora Hewlett Foundation | Open Space Institute | Oil and gas | $100,000 | 2010 | NY |
| The William and Flora Hewlett Foundation | Open Space Institute | Oil and gas | $100,000 | 2009 | NY |
| The William and Flora Hewlett Foundation | Wildlife Conservation Society | Oil and gas | $125,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | Backcountry Hunters and Anglers | Oil and gas | $100,000 | 2012 | OR |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Oil and gas | $1,400,000 | 2015 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Oil and gas | $1,400,000 | 2014 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Oil and gas | $400,000 | 2013 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Oil and gas | $500,000 | 2012 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Oil and gas | $440,000 | 2012 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Oil and gas | $2,000,000 | 2009 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Oil and gas | $2,000,000 | 2008 | PA |
| The William and Flora Hewlett Foundation | Pew Charitable Trusts | Oil and gas | $2,000,000 | 2008 | PA |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Oil and gas | $375,000 | 2014 | VA |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Oil and gas | $250,000 | 2014 | VA |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Oil and gas | $500,000 | 2012 | VA |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Oil and gas | $250,000 | 2012 | VA |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Oil and gas | $250,000 | 2011 | VA |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Oil and gas | $250,000 | 2011 | VA |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Oil and gas | $250,000 | 2010 | VA |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Oil and gas | $250,000 | 2010 | VA |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Oil and gas | $600,000 | 2009 | VA |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Oil and gas | $250,000 | 2009 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Oil and gas | $2,000,000 | 2014 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Oil and gas | $2,000,000 | 2013 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Oil and gas | $1,875,000 | 2012 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Oil and gas | $2,400,000 | 2011 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Oil and gas | $1,875,000 | 2011 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Oil and gas | $4,015,000 | 2010 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Oil and gas | $1,500,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Oil and gas | $1,500,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Oil and gas | $1,000,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Sand County Foundation | Oil and gas | $175,000 | 2015 | WI |
| The William and Flora Hewlett Foundation | Alliance for Sustainable Energy | Oil and gas | $62,500 | 2018 | CO |
| The William and Flora Hewlett Foundation | New Venture Fund | Oil and gas | $1,050,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Oil and gas | $500,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Oil Change International | Oil and gas | $150,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Oil Change International | Oil and gas | $50,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | OxfamAmerica | Oil and gas | $240,000 | 2018 | MA |
| The William and Flora Hewlett Foundation | OxfamAmerica | Oil and gas | $270,000 | 2018 | MA |
| The William and Flora Hewlett Foundation | OxfamAmerica | Oil and gas | $191,699 | 2018 | MA |
| The William and Flora Hewlett Foundation | Social and Environmental Entrepreneurs | Political activism | $127,500 | 2017 | CA |
| The William and Flora Hewlett Foundation | Aspen Institute | Political activism | $325,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Aspen Institute | Political activism | $200,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | EarthRights International | Political activism | $300,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Environmental Law Institute | Political activism | $285,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Political activism | $1,500,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Oxfam America | Political activism | $970,000 | 2016 | MA |
| The William and Flora Hewlett Foundation | Evangelical Environmental Network | Political activism | $75,000 | 2017 | PA |
| The William and Flora Hewlett Foundation | Virginia Organizing | Political activism | $15,000 | 2011 | VA |
| The William and Flora Hewlett Foundation | Evangelical Environmental Network | Political activism | $75,000 | 2018 | IN |
| The William and Flora Hewlett Foundation | Grand Canyon Trust | Public engagement | $25,000 | 2009 | AZ |
| The William and Flora Hewlett Foundation | Asian Pacific Environmental Network | Public engagement | $85,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | California Academy of Sciences | Public engagement | $100,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | California League of Conservation Voters | Public engagement | $95,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | California League of Conservation Voters | Public engagement | $50,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | California League of Conservation Voters | Public engagement | $50,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | CALSTART | Public engagement | $60,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Center on Race Poverty and the Environment | Public engagement | $26,400 | 2011 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | Public engagement | $125,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | Public engagement | $50,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | Public engagement | $250,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | Public engagement | $7,500 | 2008 | CA |
| The William and Flora Hewlett Foundation | Dream Corps | Public engagement | $1,000,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Earth Island Institute | Public engagement | $150,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Earth Island Institute | Public engagement | $10,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Public engagement | $588,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Environment California Research and Policy Center | Public engagement | $150,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Environment California Research and Policy Center | Public engagement | $500,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Environmental Health Coalition | Public engagement | $50,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Environmental Health Coalition | Public engagement | $20,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Environmental Health Coalition | Public engagement | $32,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | GreenInfo Network | Public engagement | $20,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Groundswell Fund | Public engagement | $100,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | International Sustainable Systems Research Center | Public engagement | $50,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Public engagement | $25,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Public engagement | $37,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Public engagement | $25,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | New America Media | Public engagement | $125,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Pacific News Service | Public engagement | $35,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Pacific News Service | Public engagement | $85,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Pacific News Service | Public engagement | $35,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Public Policy Institute of California | Public engagement | $10,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Public Policy Institute of California | Public engagement | $20,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Radio Bilingue | Public engagement | $55,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Resource Media | Public engagement | $200,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Public engagement | $250,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Public engagement | $125,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Public engagement | $40,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Rose Foundation for Communities and the Environment | Public engagement | $100,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | San Francisco Foundation | Public engagement | $230,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | San Francisco Foundation | Public engagement | $120,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Save the Bay | Public engagement | $30,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Social and Environmental Entrepreneurs | Public engagement | $50,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Social and Environmental Entrepreneurs | Public engagement | $25,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Stanford University | Public engagement | $40,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Stanford University | Public engagement | $100,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Stanford University | Public engagement | $100,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | University of California - Davis | Public engagement | $25,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Urban Habitat | Public engagement | $50,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Virginia Organizing | Public engagement | $125,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | WiserEarth | Public engagement | $50,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Colorado State University | Public engagement | $25,000 | 2013 | CO |
| The William and Flora Hewlett Foundation | Conservation Lands Foundation | Public engagement | $20,000 | 2014 | CO |
| The William and Flora Hewlett Foundation | High Country News | Public engagement | $100,000 | 2015 | CO |
| The William and Flora Hewlett Foundation | High Country News | Public engagement | $31,000 | 2012 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | Public engagement | $228,000 | 2012 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | Public engagement | $150,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | Public engagement | $20,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Public engagement | $50,000 | 2015 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Public engagement | $37,516 | 2011 | CO |
| The William and Flora Hewlett Foundation | Yale University | Public engagement | $200,000 | 2011 | CT |
| The William and Flora Hewlett Foundation | Yale University | Public engagement | $70,000 | 2011 | CT |
| The William and Flora Hewlett Foundation | Yale University | Public engagement | $200,000 | 2010 | CT |
| The William and Flora Hewlett Foundation | Yale University | Public engagement | $200,000 | 2010 | CT |
| The William and Flora Hewlett Foundation | Yale University | Public engagement | $70,000 | 2010 | CT |
| The William and Flora Hewlett Foundation | Yale University | Public engagement | $82,000 | 2008 | CT |
| The William and Flora Hewlett Foundation | African Center for Economic Transformation | Public engagement | $50,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Aspen Institute | Public engagement | $252,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Public engagement | $666,666 | 2016 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Public engagement | $300,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Center for American Progress | Public engagement | $50,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | Christian Coalition | Public engagement | $150,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Public engagement | $1,000,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Public engagement | $670,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Earth Day Network | Public engagement | $50,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Environment America Research and Policy Center | Public engagement | $5,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | Green Diversity Initiative | Public engagement | $310,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Hip Hop Caucus Education Fund | Public engagement | $900,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Hip Hop Caucus Education Fund | Public engagement | $500,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Hispanic Access Foundation | Public engagement | $265,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | League of Conservation Voters | Public engagement | $501,415 | 2015 | DC |
| The William and Flora Hewlett Foundation | League of Conservation Voters | Public engagement | $400,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | League of Conservation Voters | Public engagement | $150,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | National Wildlife Refuge Association | Public engagement | $50,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | National Wildlife Refuge Association | Public engagement | $100,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | National Wildlife Refuge Association | Public engagement | $100,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Public engagement | $100,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Public engagement | $450,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Public engagement | $350,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Public engagement | $100,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Partnership Project | Public engagement | $150,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Public engagement | $30,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Public engagement | $20,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Tides Center | Public engagement | $240,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Tides Center | Public engagement | $164,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Tides Center | Public engagement | $23,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Environmental Law and Policy Center of the Midwest | Public engagement | $20,000 | 2009 | IL |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Public engagement | $180,000 | 2012 | MA |
| The William and Flora Hewlett Foundation | Blue Green Alliance Foundation | Public engagement | $500,000 | 2016 | MN |
| The William and Flora Hewlett Foundation | Blue Green Alliance Foundation | Public engagement | $50,000 | 2016 | MN |
| The William and Flora Hewlett Foundation | Greater Yellowstone Coalition | Public engagement | $20,000 | 2011 | MT |
| The William and Flora Hewlett Foundation | Greater Yellowstone Coalition | Public engagement | $20,000 | 2010 | MT |
| The William and Flora Hewlett Foundation | Western Organization of Resource Councils | Public engagement | $30,000 | 2015 | MT |
| The William and Flora Hewlett Foundation | SouthWest Organizing Project | Public engagement | $50,000 | 2015 | NM |
| The William and Flora Hewlett Foundation | National Earth Science Teachers Association | Public engagement | $100,000 | 2011 | NY |
| The William and Flora Hewlett Foundation | National Earth Science Teachers Association | Public engagement | $400,000 | 2010 | NY |
| The William and Flora Hewlett Foundation | National Earth Science Teachers Association | Public engagement | $100,000 | 2010 | NY |
| The William and Flora Hewlett Foundation | Sustainable Markets Foundation | Public engagement | $120,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | Sustainable Markets Foundation | Public engagement | $50,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | Sustainable Markets Foundation | Public engagement | $500,000 | 2014 | NY |
| The William and Flora Hewlett Foundation | Sustainable Markets Foundation | Public engagement | $100,000 | 2014 | NY |
| The William and Flora Hewlett Foundation | Sustainable Markets Foundation | Public engagement | $500,000 | 2013 | NY |
| The William and Flora Hewlett Foundation | Clean Air Council | Public engagement | $75,000 | 2017 | PA |
| The William and Flora Hewlett Foundation | Virginia Organizing | Public engagement | $125,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Climate Action Reserve | Public engagement | $150,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Climateworks Foundation | Public engagement | $60,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Public engagement | $250,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Stanford University Board of Trustees | Public engagement | $25,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | The Energy Foundation | Public engagement | $250,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Conservation Colorado | Public engagement | $40,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | Partnership Project | Public engagement | $100,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Environmental Law & Policy Center of the Midwest | Public engagement | $100,000 | 2018 | IL |
| The William and Flora Hewlett Foundation | Climate Group | Public engagement | $100,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Society of Environmental Journalists | Public engagement | $75,000 | 2018 | PA |
| The William and Flora Hewlett Foundation | Center for Climate and Energy Solutions | Public engagement | $100,000 | 2018 | VA |
| The William and Flora Hewlett Foundation | American Conservation Coalition Campus | Public engagement | $50,000 | 2018 | WI |
| The William and Flora Hewlett Foundation | Center for Community Action and Environmental Justice | Regulations | $62,500 | 2009 | CA |
| The William and Flora Hewlett Foundation | Center for Community Action and Environmental Justice | Regulations | $75,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Center on Race Poverty and the Environment | Regulations | $85,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | Regulations | $15,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Communities for a Better Environment | Regulations | $30,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Earthjustice | Regulations | $350,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Regulations | $1,000,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Regulations | $50,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Regulations | $100,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Regulations | $50,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Regulations | $50,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Fresno County Medical Society | Regulations | $75,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Fresno Regional Foundation | Regulations | $100,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Green for All | Regulations | $100,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | International Sustainable Systems Research Center | Regulations | $585,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | International Sustainable Systems Research Center | Regulations | $125,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | International Sustainable Systems Research Center | Regulations | $100,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Los Angeles Alliance for a New Economy | Regulations | $45,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Regulations | $88,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Tides Center | Regulations | $240,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Public Counsel of the Rockies | Regulations | $300,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | Southwest Energy Efficiency Project | Regulations | $150,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | Southwest Energy Efficiency Project | Regulations | $150,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | American Clean Skies Foundation | Regulations | $50,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Regulations | $250,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Carnegie Endowment for International Peace | Regulations | $100,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Center for American Progress | Regulations | $300,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Regulations | $2,500,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Taxpayers for Common Sense | Regulations | $200,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Taxpayers for Common Sense | Regulations | $125,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | American Lung Association | Regulations | $750,000 | 2017 | IL |
| The William and Flora Hewlett Foundation | Clean Air Task Force | Regulations | $200,000 | 2012 | MA |
| The William and Flora Hewlett Foundation | Health Effects Institute | Regulations | $500,000 | 2009 | MA |
| The William and Flora Hewlett Foundation | Oxfam America | Regulations | $330,000 | 2012 | MA |
| The William and Flora Hewlett Foundation | Audubon Society, National | Regulations | $200,000 | 2008 | NY |
| The William and Flora Hewlett Foundation | Audubon Society, National | Regulations | $200,000 | 2008 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Regulations | $755,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Energy Innovation Reform Project | Regulations | $350,000 | 2016 | VA |
| The William and Flora Hewlett Foundation | Energy Innovation Reform Project | Regulations | $200,000 | 2015 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Regulations | $150,000 | 2012 | VA |
| The William and Flora Hewlett Foundation | Regulatory Assistance Project | Regulations | $1,750,000 | 2016 | VT |
| The William and Flora Hewlett Foundation | Regulatory Assistance Project | Regulations | $2,000,000 | 2015 | VT |
| The William and Flora Hewlett Foundation | American Lung Association | Regulations | $650,000 | 2018 | IL |
| The William and Flora Hewlett Foundation | Arizona Center for Law in the Public Interest | Renewables | $60,000 | 2014 | AZ |
| The William and Flora Hewlett Foundation | Arizona Center for Law in the Public Interest | Renewables | $60,000 | 2013 | AZ |
| The William and Flora Hewlett Foundation | Arizona Center for Law in the Public Interest | Renewables | $60,000 | 2012 | AZ |
| The William and Flora Hewlett Foundation | Arizona Center for Law in the Public Interest | Renewables | $30,000 | 2010 | AZ |
| The William and Flora Hewlett Foundation | Arizona Center for Law in the Public Interest | Renewables | $50,000 | 2009 | AZ |
| The William and Flora Hewlett Foundation | Sonoran Institute | Renewables | $200,000 | 2017 | AZ |
| The William and Flora Hewlett Foundation | Sonoran Institute | Renewables | $195,000 | 2014 | AZ |
| The William and Flora Hewlett Foundation | Sonoran Institute | Renewables | $145,000 | 2013 | AZ |
| The William and Flora Hewlett Foundation | Sonoran Institute | Renewables | $170,000 | 2012 | AZ |
| The William and Flora Hewlett Foundation | Sonoran Institute | Renewables | $134,000 | 2011 | AZ |
| The William and Flora Hewlett Foundation | Sonoran Institute | Renewables | $50,000 | 2011 | AZ |
| The William and Flora Hewlett Foundation | Sonoran Institute | Renewables | $100,000 | 2010 | AZ |
| The William and Flora Hewlett Foundation | Center for Energy Efficiency and Renewable Technologies | Renewables | $100,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Center for Energy Efficiency and Renewable Technologies | Renewables | $50,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Center for Energy Efficiency and Renewable Technologies | Renewables | $50,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Climate Policy Initiative | Renewables | $4,500,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Renewables | $5,635,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Renewables | $80,000,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | ClimateWorks Foundation | Renewables | $20,000,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Communities for a Better Environment | Renewables | $150,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Consumers Union of United States | Renewables | $125,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Consumers Union of United States | Renewables | $200,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Dream Corps | Renewables | $300,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Earthjustice | Renewables | $1,112,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Renewables | $2,100,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Renewables | $251,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Renewables | $250,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Renewables | $15,970,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Renewables | $350,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Renewables | $3,500,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Renewables | $1,500,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Renewables | $1,500,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Environmental Health Coalition | Renewables | $100,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Environmental Health Coalition | Renewables | $25,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Global Green USA | Renewables | $30,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Greenlining Institute | Renewables | $150,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | GRID Alternatives | Renewables | $25,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | LABC Institute | Renewables | $100,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | LABC Institute | Renewables | $100,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | LABC Institute | Renewables | $100,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | LABC Institute | Renewables | $100,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Los Angeles Alliance for a New Economy | Renewables | $75,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Renewables | $250,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Renewables | $725,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Renewables | $750,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Renewables | $725,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Renewables | $135,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Renewables | $150,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Renewables | $150,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Renewables | $150,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Renewables | $300,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Renewables | $150,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Plug In America | Renewables | $125,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Regeneration Project | Renewables | $25,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Regeneration Project | Renewables | $160,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Renewables | $50,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Renewables | $100,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Renewables | $100,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Rising Sun Energy Center | Renewables | $25,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Renewables | $1,260,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Renewables | $250,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Solar Richmond | Renewables | $25,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Tides Center | Renewables | $30,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | University of California - Berkeley | Renewables | $50,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | University of California - Berkeley | Renewables | $80,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Vote Solar | Renewables | $210,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Vote Solar | Renewables | $230,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Alliance for Sustainable Energy | Renewables | $500,000 | 2015 | CO |
| The William and Flora Hewlett Foundation | Colorado Conservation Voters Education Fund | Renewables | $25,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | Colorado, State of | Renewables | $50,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | EcoFlight | Renewables | $150,000 | 2016 | CO |
| The William and Flora Hewlett Foundation | FRESC | Renewables | $50,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | FRESC | Renewables | $80,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Renewables | $400,000 | 2015 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Renewables | $200,000 | 2011 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Renewables | $200,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Renewables | $200,000 | 2010 | CO |
| The William and Flora Hewlett Foundation | Western Resource Advocates | Renewables | $297,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | American Rivers | Renewables | $750,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | American Rivers | Renewables | $825,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | American Rivers | Renewables | $750,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | American Rivers | Renewables | $750,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | American Rivers | Renewables | $750,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | American Rivers | Renewables | $750,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | American Rivers | Renewables | $60,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | American Rivers | Renewables | $750,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | American Rivers | Renewables | $750,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Bipartisan Policy Center | Renewables | $1,500,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Christian Coalition | Renewables | $400,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Christian Coalition | Renewables | $150,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Citizens for Responsible Energy Solutions Forum | Renewables | $200,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Coalition for Green Capital | Renewables | $250,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Community Power Network | Renewables | $80,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Defenders of Wildlife | Renewables | $100,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Defenders of Wildlife | Renewables | $150,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | Defenders of Wildlife | Renewables | $50,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Greenpeace Fund | Renewables | $300,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Greenpeace Fund | Renewables | $75,727 | 2013 | DC |
| The William and Flora Hewlett Foundation | Greenpeace Fund | Renewables | $300,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | Greenpeace Fund | Renewables | $250,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | League of Conservation Voters | Renewables | $150,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Renewables | $1,000,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Renewables | $140,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Renewables | $300,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Renewables | $140,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Renewables | $100,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Renewables | $400,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | Partnership Project | Renewables | $3,500,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | R Street Institute | Renewables | $200,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Securing America's Future Energy Foundation | Renewables | $350,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Securing America's Future Energy Foundation | Renewables | $350,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Solar Foundation | Renewables | $200,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Solar Foundation | Renewables | $100,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Solar Foundation | Renewables | $200,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Solar Foundation | Renewables | $200,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Solar Foundation | Renewables | $50,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Solar United Neighbors | Renewables | $100,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Renewables | $762,500 | 2012 | DC |
| The William and Flora Hewlett Foundation | Theodore Roosevelt Conservation Partnership | Renewables | $250,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Renewables | $1,250,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Renewables | $125,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Renewables | $600,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Renewables | $600,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Renewables | $600,000 | 2012 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Renewables | $615,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | Wilderness Society | Renewables | $515,000 | 2010 | DC |
| The William and Flora Hewlett Foundation | World Resources Institute | Renewables | $150,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | World Resources Institute | Renewables | $72,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | Southeast Energy Efficiency Alliance | Renewables | $100,000 | 2010 | GA |
| The William and Flora Hewlett Foundation | State of Colorado | Renewables | $50,000 | 2010 | GA |
| The William and Flora Hewlett Foundation | Idaho Conservation League | Renewables | $50,000 | 2016 | ID |
| The William and Flora Hewlett Foundation | Boston University | Renewables | $30,000 | 2016 | MA |
| The William and Flora Hewlett Foundation | CERES | Renewables | $27,700 | 2010 | MA |
| The William and Flora Hewlett Foundation | Clean Air Task Force | Renewables | $750,000 | 2016 | MA |
| The William and Flora Hewlett Foundation | Conservation Law Foundation | Renewables | $125,000 | 2014 | MA |
| The William and Flora Hewlett Foundation | Conservation Law Foundation | Renewables | $100,000 | 2013 | MA |
| The William and Flora Hewlett Foundation | Harvard University | Renewables | $600,000 | 2008 | MA |
| The William and Flora Hewlett Foundation | Harvard University | Renewables | $565,000 | 2008 | MA |
| The William and Flora Hewlett Foundation | President and Fellows of Harvard College | Renewables | $250,000 | 2016 | MA |
| The William and Flora Hewlett Foundation | Tufts College | Renewables | $300,000 | 2011 | MA |
| The William and Flora Hewlett Foundation | Tufts College | Renewables | $300,000 | 2010 | MA |
| The William and Flora Hewlett Foundation | Tufts College | Renewables | $198,260 | 2010 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Renewables | $175,000 | 2013 | MA |
| The William and Flora Hewlett Foundation | Blue Green Alliance Foundation | Renewables | $170,000 | 2012 | MN |
| The William and Flora Hewlett Foundation | Western Organization of Resource Councils | Renewables | $200,000 | 2012 | MT |
| The William and Flora Hewlett Foundation | Western Organization of Resource Councils | Renewables | $275,000 | 2010 | MT |
| The William and Flora Hewlett Foundation | Western Organization of Resource Councils | Renewables | $275,000 | 2009 | MT |
| The William and Flora Hewlett Foundation | Western Organization of Resource Councils | Renewables | $275,000 | 2009 | MT |
| The William and Flora Hewlett Foundation | Western Organization of Resource Councils | Renewables | $250,000 | 2009 | MT |
| The William and Flora Hewlett Foundation | SouthWest Organizing Project | Renewables | $75,000 | 2012 | NM |
| The William and Flora Hewlett Foundation | Clean Energy Project | Renewables | $150,000 | 2014 | NV |
| The William and Flora Hewlett Foundation | Nevada Wilderness Project | Renewables | $100,000 | 2010 | NV |
| The William and Flora Hewlett Foundation | Catskill Mountainkeeper | Renewables | $100,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Renewables | $625,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Renewables | $250,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Renewables | $250,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Renewables | $250,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Renewables | $655,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Renewables | $200,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Family Fund | Renewables | $300,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Family Fund | Renewables | $300,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Rockefeller Family Fund | Renewables | $100,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | West Harlem Environmental Action | Renewables | $150,000 | 2014 | NY |
| The William and Flora Hewlett Foundation | Institute for Energy Economics and Financial Analysis | Renewables | $200,000 | 2016 | OH |
| The William and Flora Hewlett Foundation | Renewable Northwest Project | Renewables | $50,000 | 2014 | OR |
| The William and Flora Hewlett Foundation | Park City Center for Public Policy | Renewables | $50,000 | 2008 | UT |
| The William and Flora Hewlett Foundation | Park City Center for Public Policy | Renewables | $25,000 | 2008 | UT |
| The William and Flora Hewlett Foundation | National Wildlife Federation | Renewables | $49,000 | 2012 | VA |
| The William and Flora Hewlett Foundation | Clean Energy States Alliance | Renewables | $100,000 | 2011 | VT |
| The William and Flora Hewlett Foundation | Calcef Innovations | Renewables | $225,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Calcef Innovations | Renewables | $3,200,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Climate Policy Initiative | Renewables | $300,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Alliance for Sustainable Energy | Renewables | $500,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | The Solar Foundation | Renewables | $200,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Center for Civic Policy | Renewables | $100,000 | 2018 | NM |
| The William and Flora Hewlett Foundation | CALSTART | Transportation | $250,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | CALSTART | Transportation | $50,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | CALSTART | Transportation | $600,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | CALSTART | Transportation | $175,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | CALSTART | Transportation | $600,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | CALSTART | Transportation | $175,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | CALSTART | Transportation | $150,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | Transportation | $242,500 | 2017 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | Transportation | $215,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | Transportation | $200,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | Transportation | $215,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Coalition for Clean Air | Transportation | $163,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Dream Corps | Transportation | $300,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Transportation | $4,790,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Transportation | $3,500,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Transportation | $4,020,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Transportation | $275,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Transportation | $275,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Energy Foundation | Transportation | $1,500,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Environment California Research and Policy Center | Transportation | $150,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Environment California Research and Policy Center | Transportation | $300,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Transportation | $150,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Transportation | $150,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Transportation | $150,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Transportation | $200,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Greenlining Institute | Transportation | $150,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Innovation Center for Energy and Transportation | Transportation | $150,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Innovation Center for Energy and Transportation | Transportation | $150,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $300,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $300,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $600,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $200,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $200,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $400,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $200,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $600,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $200,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $200,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $400,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $200,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $200,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $200,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $20,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Plug In America | Transportation | $125,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Plug In America | Transportation | $150,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Plug In America | Transportation | $75,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Public Advocates | Transportation | $70,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Public Advocates | Transportation | $50,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Public Advocates | Transportation | $50,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Transportation | $200,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Transportation | $200,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Transportation | $250,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Transportation | $250,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Transportation | $250,000 | 2013 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Transportation | $150,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | Silicon Valley Bicycle Coalition | Transportation | $37,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Silicon Valley Community Foundation | Transportation | $100,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Social and Environmental Entrepreneurs | Transportation | $125,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Social and Environmental Entrepreneurs | Transportation | $20,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | TransForm | Transportation | $100,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | TransForm | Transportation | $350,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | TransForm | Transportation | $150,000 | 2012 | CA |
| The William and Flora Hewlett Foundation | University of California - Berkeley | Transportation | $215,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | University of California - Davis | Transportation | $200,000 | 2011 | CA |
| The William and Flora Hewlett Foundation | University of California - Davis | Transportation | $150,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | University of California - Davis | Transportation | $20,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | University of California - Davis | Transportation | $200,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Rocky Mountain Institute | Transportation | $200,000 | 2017 | CO |
| The William and Flora Hewlett Foundation | Rocky Mountain Institute | Transportation | $200,000 | 2016 | CO |
| The William and Flora Hewlett Foundation | Rocky Mountain Institute | Transportation | $200,000 | 2015 | CO |
| The William and Flora Hewlett Foundation | Rocky Mountain Institute | Transportation | $200,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | ActionAid | Transportation | $200,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | American Lung Association | Transportation | $200,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | American Lung Association | Transportation | $166,321 | 2012 | DC |
| The William and Flora Hewlett Foundation | Breakthrough Technologies Institute | Transportation | $40,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Georgetown University | Transportation | $300,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | International Council on Clean Transportation | Transportation | $2,500,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | International Council on Clean Transportation | Transportation | $70,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | International Council on Clean Transportation | Transportation | $950,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | International Council on Clean Transportation | Transportation | $750,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | International Council on Clean Transportation | Transportation | $450,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | International Council on Clean Transportation | Transportation | $30,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Transportation | $1,000,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Transportation | $215,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Transportation | $430,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Securing America's Future Energy Foundation | Transportation | $100,000 | 2014 | DC |
| The William and Flora Hewlett Foundation | Securing America's Future Energy Foundation | Transportation | $200,000 | 2013 | DC |
| The William and Flora Hewlett Foundation | United Nations Foundation | Transportation | $50,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | Woodrow Wilson International Center for Scholars | Transportation | $100,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | World Resources Institute | Transportation | $200,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | World Resources Institute | Transportation | $200,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | World Resources Institute | Transportation | $275,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | World Resources Institute | Transportation | $200,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Shared-Use Mobility Center | Transportation | $150,000 | 2016 | IL |
| The William and Flora Hewlett Foundation | Shared-Use Mobility Center | Transportation | $150,000 | 2015 | IL |
| The William and Flora Hewlett Foundation | Center for Public Interest Research | Transportation | $200,000 | 2015 | MA |
| The William and Flora Hewlett Foundation | Health Effects Institute | Transportation | $250,000 | 2011 | MA |
| The William and Flora Hewlett Foundation | Health Effects Institute | Transportation | $250,000 | 2010 | MA |
| The William and Flora Hewlett Foundation | Health Effects Institute | Transportation | $300,000 | 2008 | MA |
| The William and Flora Hewlett Foundation | Health Effects Institute | Transportation | $300,000 | 2008 | MA |
| The William and Flora Hewlett Foundation | Northeast States Center for a Clean Air Future | Transportation | $250,000 | 2010 | MA |
| The William and Flora Hewlett Foundation | Northeast States Center for a Clean Air Future | Transportation | $220,000 | 2009 | MA |
| The William and Flora Hewlett Foundation | Northeast States Center for a Clean Air Future | Transportation | $200,000 | 2008 | MA |
| The William and Flora Hewlett Foundation | Northeast States Center for a Clean Air Future | Transportation | $20,000 | 2008 | MA |
| The William and Flora Hewlett Foundation | Northeast States for Coordinated Air Use Management | Transportation | $200,000 | 2011 | MA |
| The William and Flora Hewlett Foundation | Northeast States for Coordinated Air Use Management | Transportation | $25,000 | 2010 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Sciences | Transportation | $200,000 | 2017 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Transportation | $200,000 | 2016 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Transportation | $175,000 | 2014 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Transportation | $333,333 | 2012 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Transportation | $666,666 | 2011 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Transportation | $333,334 | 2011 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Transportation | $600,000 | 2009 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Transportation | $300,000 | 2009 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Transportation | $900,000 | 2008 | MA |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Transportation | $900,000 | 2008 | MA |
| The William and Flora Hewlett Foundation | University of Maryland - College Park | Transportation | $200,000 | 2014 | MD |
| The William and Flora Hewlett Foundation | Energy and Transportation Technologies | Transportation | $100,000 | 2008 | MI |
| The William and Flora Hewlett Foundation | Governors Biofuels Coalition | Transportation | $50,000 | 2010 | NE |
| The William and Flora Hewlett Foundation | Governors Ethanol Coalition | Transportation | $250,000 | 2008 | NE |
| The William and Flora Hewlett Foundation | Governors Ethanol Coalition | Transportation | $250,000 | 2008 | NE |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | Transportation | $100,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | Transportation | $500,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | Transportation | $400,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | Transportation | $800,000 | 2013 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | Transportation | $800,000 | 2012 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | Transportation | $500,000 | 2012 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | Transportation | $165,000 | 2011 | NY |
| The William and Flora Hewlett Foundation | Institute for Transportation and Development Policy | Transportation | $200,000 | 2008 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $325,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $50,000 | 2017 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $325,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $200,000 | 2016 | NY |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Transportation | $250,000 | 2015 | NY |
| The William and Flora Hewlett Foundation | Berkeley Lab Foundation | Transportation | $300,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Climateworks Foundation | Transportation | $400,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Jobs to Move America | Transportation | $400,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Sierra Club Foundation | Transportation | $125,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Silicon Valley Community Foundation | Transportation | $40,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | The Energy Foundation | Transportation | $250,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | The Energy Foundation | Transportation | $200,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | Georgetown University | Transportation | $300,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | International Council on Clean Transportation | Transportation | $1,375,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | World Resources Institute | Transportation | $241,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | World Resources Institute | Transportation | $200,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Shareduse Mobility Center | Transportation | $150,000 | 2018 | IL |
| The William and Flora Hewlett Foundation | Union of Concerned Scientists | Transportation | $125,000 | 2018 | MA |
| The William and Flora Hewlett Foundation | Climate Group | Transportation | $25,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Consumer Reports | Transportation | $249,000 | 2018 | NY |
| The William and Flora Hewlett Foundation | Native Movement Southwest | Water | $40,000 | 2010 | AZ |
| The William and Flora Hewlett Foundation | Sonoran Institute | Water | $400,000 | 2017 | AZ |
| The William and Flora Hewlett Foundation | Sonoran Institute | Water | $200,000 | 2017 | AZ |
| The William and Flora Hewlett Foundation | Sonoran Institute | Water | $400,000 | 2015 | AZ |
| The William and Flora Hewlett Foundation | Environmental Defense Fund | Water | $100,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Great Thirst Productions | Water | $250,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Water | $475,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Natural Resources Defense Council | Water | $475,000 | 2008 | CA |
| The William and Flora Hewlett Foundation | Pacific Institute for Studies in Development, Environment and Security | Water | $100,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Pacific Institute for Studies in Development, Environment and Security | Water | $100,000 | 2009 | CA |
| The William and Flora Hewlett Foundation | Public Policy Institute of California | Water | $10,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Public Policy Institute of California | Water | $100,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Resource Legacy Fund | Water | $1,500,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Resource Legacy Fund | Water | $1,500,000 | 2015 | CA |
| The William and Flora Hewlett Foundation | Resource Media | Water | $150,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Water | $20,000,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Water | $200,000 | 2014 | CA |
| The William and Flora Hewlett Foundation | Resources Legacy Fund | Water | $42,000 | 2010 | CA |
| The William and Flora Hewlett Foundation | Save the Bay | Water | $200,000 | 2016 | CA |
| The William and Flora Hewlett Foundation | Tides Center | Water | $120,000 | 2017 | CA |
| The William and Flora Hewlett Foundation | Colorado Environmental Coalition | Water | $400,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | Colorado Environmental Coalition | Water | $100,000 | 2009 | CO |
| The William and Flora Hewlett Foundation | Colorado Environmental Coalition | Water | $400,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | Colorado Environmental Coalition | Water | $100,000 | 2008 | CO |
| The William and Flora Hewlett Foundation | Western Conservation Foundation | Water | $75,000 | 2014 | CO |
| The William and Flora Hewlett Foundation | American Rivers | Water | $750,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | American Rivers | Water | $750,000 | 2009 | DC |
| The William and Flora Hewlett Foundation | American Rivers | Water | $750,000 | 2008 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Water | $200,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Water | $125,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Resolve Inc | Water | $150,000 | 2015 | DC |
| The William and Flora Hewlett Foundation | Windward Fund | Water | $200,000 | 2017 | DC |
| The William and Flora Hewlett Foundation | Windward Fund | Water | $300,000 | 2016 | DC |
| The William and Flora Hewlett Foundation | Woodrow Wilson International Center for Scholars | Water | $35,000 | 2011 | DC |
| The William and Flora Hewlett Foundation | Instream Flow Council | Water | $50,000 | 2010 | MT |
| The William and Flora Hewlett Foundation | Instream Flow Council | Water | $50,000 | 2009 | MT |
| The William and Flora Hewlett Foundation | National Judicial College | Water | $375,000 | 2008 | NV |
| The William and Flora Hewlett Foundation | National Judicial College | Water | $110,000 | 2008 | NV |
| The William and Flora Hewlett Foundation | National Judicial College | Water | $20,000 | 2008 | NV |
| The William and Flora Hewlett Foundation | Columbia River InterTribal Fish Commission | Water | $75,000 | 2008 | OR |
| The William and Flora Hewlett Foundation | Institute for Fisheries Resources | Water | $50,000 | 2017 | OR |
| The William and Flora Hewlett Foundation | Sustainable Northwest | Water | $120,000 | 2015 | OR |
| The William and Flora Hewlett Foundation | Western Rivers Conservancy | Water | $200,000 | 2017 | OR |
| The William and Flora Hewlett Foundation | Trout Unlimited | Water | $2,000,000 | 2017 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Water | $250,000 | 2017 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Water | $4,110,000 | 2015 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Water | $75,000 | 2014 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Water | $1,300,000 | 2009 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Water | $20,000 | 2009 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Water | $1,300,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Trout Unlimited | Water | $1,300,000 | 2008 | VA |
| The William and Flora Hewlett Foundation | Save Our Wild Salmon Coalition | Water | $100,000 | 2008 | WA |
| The William and Flora Hewlett Foundation | Yurok Tribal Council | Water | $225,000 | 2018 | CA |
| The William and Flora Hewlett Foundation | National Audubon Society | Water | $75,000 | 2018 | CO |
| The William and Flora Hewlett Foundation | American Rivers | Water | $750,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Water | $100,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | New Venture Fund | Water | $510,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Windward Fund | Water | $200,000 | 2018 | DC |
| The William and Flora Hewlett Foundation | Institute for Fisheries Resources | Water | $50,000 | 2018 | OR |
| The William and Flora Hewlett Foundation | Sustainable Northwest | Water | $130,000 | 2018 | OR |
| The William and Flora Hewlett Foundation | Trout Unlimited | Water | $2,000,000 | 2018 | VA |
Methodology
The data for this project was collected from publicly available federal 990 tax returns.
The grants listed in the database are organized in the following categories based on the description provided on the entity's tax return froms:
Coal
Fracking
Oil and Gas
Climate Change
Water
Transportation
Regulations
General Operations
Public Engagement
Political Activism
Renewables
Conservation
Miscellaneous
Questions or corrections regarding the data should be directed to [email protected]
Data Sources, Disclosures, and Disclaimers
Institute for Energy Research holds its academic standards to the highest degree. In order to ensure transparency with the information collected for Big Green Inc., we have included the following disclaimer:
