Carnegie Endowment for International Peace 13-0552040 Click to copy DC International 6 Climateworks Foundation 26-2303250 Click to copy CA Science 5 American Council for an Energy Efficient Economy 94-2711707 Click to copy DC Environment 4 Center for Global Development 52-2351337 Click to copy DC Human Services 4 Clasp 33-1112770 Click to copy DC Environment 4 Climate Policy Initiative Inc 26-4129153 Click to copy CA Environment 4 Communities for a Better Environment 94-2998086 Click to copy CA Environment 4 Institute for Sustainable Communities 22-3098727 Click to copy VT International 4 International Council on Clean Transportation 20-3076690 Click to copy DC Environment 4 Natural Resource Governance Institute 20-4451390 Click to copy NY International 4 Partnership Project Inc 52-2192070 Click to copy DC Environment 4 Peking University Education Foundation USA 94-3278466 Click to copy CA International 4 Rockefeller Family Fund Inc 13-6257658 Click to copy NY Philanthropy 4 The Energy Foundation 94-3126848 Click to copy CA Philanthropy 4 The New York Public Library Astor Lenox and Tilden Foundations 13-1887440 Click to copy NY Education 4 The Niskanen Center Inc 45-5308952 Click to copy DC Public Benefit 4 United States Energy Foundation 83-1740146 Click to copy CA Philanthropy 4 Actionaid USA 52-2277575 Click to copy DC Social Science 3 Asia Foundation 94-1191246 Click to copy CA International 3 Berkeley Lab Foundation 46-2907726 Click to copy CA Education 3 Bluegreen Alliance Foundation 20-3477309 Click to copy MN Environment 3 C40 Cities Climate Leadership Group Inc 90-0634376 Click to copy NY Environment 3 Calstart Inc 95-4375022 Click to copy CA Unclassified 3 Center for Carbon Removal 81-2560407 Click to copy DC Environment 3 Center for Climate and Energy Solutions Inc 54-1892252 Click to copy DC Environment 3 Center for Energy Efficiency and Renewable Technologies 68-0260751 Click to copy CA Environment 3 Climate and Clean Energy Equity Fund 87-4680230 Click to copy DC Environment 3 Climate Justice Alliance 85-3440899 Click to copy CA Environment 3 Climate Leadership Council Inc 81-3115310 Click to copy DC Environment 3 Coalition for Green Capital 90-0868299 Click to copy DC Environment 3 Economic Policy Institute 52-1368964 Click to copy DC Social Science 3 Electrification Coalition Foundation 01-0927327 Click to copy DC Environment 3 Energy for Growth Hub 83-1609680 Click to copy DC Environment 3 Environmental Protection Network 82-1378870 Click to copy DC Environment 3 Evidence Action Inc 90-0874591 Click to copy DC International 3 Foundation Center Inc 99-0654561 Click to copy NY Human Services 3 Fund for Constitutional Government 23-7391766 Click to copy DC Public Benefit 3 Great Plains Institute for Sustainable Development 41-1921126 Click to copy MN Community Improvement 3 Greenlining Institute 94-3173571 Click to copy CA Community Improvement 3 Gridlab Inc 82-4198360 Click to copy CA Environment 3 Institute for Energy Economics and Financial Analysis Inc 45-4244605 Click to copy OH Environment 3 Institute of International Education Inc 13-1624046 Click to copy NY International 3 International Sustainable Energy Foundation 87-2509491 Click to copy TX Environment 3 New York Law School 13-5645885 Click to copy NY Education 3 Northeast States for Coordinated Air Use Management Inc 04-2814018 Click to copy MA Environment 3 Observer Research Foundation America 85-2694328 Click to copy DC International 3 Oil Change International 20-3272355 Click to copy DC Public Benefit 3 Pacific Council on International Policy 95-4520471 Click to copy CA International 3 Radicalxchange Foundation Ltd 83-2183139 Click to copy CA Social Science 3 Regents of the University of California at Irvine 95-2226406 Click to copy CA Education 3