Funding search

Find who already funds work like yours.

Private foundations don’t post open calls, so nobody can search them. We read IRS filings instead — 9.6 million grants from 174,053 foundations and grantmaking charities, searchable by what the money was actually for.

12 funders with a record of paying for “carbon”

Where the money went

1.0×
Sequoia Climate Foundation → World Resources Institute: $8.9M across 4 grants, latest 2023Climateworks Foundation → International Council On Clean Transportation: $8.8M across 1 grant, latest 2024The Mcknight Foundation → Fresh Energy: $7.0M across 11 grants, latest 2024Grantham Foundation for the Protection → Carbon Gap Ltd: $4.8M across 3 grants, latest 2024The William & Flora Hewlett Foundation → Rockefeller Brothers Fund Inc: $4.0M across 2 grants, latest 2024The Eric and Wendy Schmidt Fund for → Swaniti Initiative: $3.0M across 2 grants, latest 2024The Energy Foundation → International Council On Clean Transportation Inc: $2.3M across 4 grants, latest 2024Builders Vision Foundation → Maine Community Foundation Inc: $2.0M across 2 grants, latest 2024Linden Trust for Conservation → World Resources Institute: $860K across 6 grants, latest 2025Alfred P Sloan Foundation → American University: $501K across 1 grant, latest 2024Greenwave Organization Corp → Shinnecock Kelp Farmers Incorporated: $452K across 3 grants, latest 2024Wrld Foundation → Calcef Innovations: $442K across 1 grant, latest 2024Sequoia Climate Foundation → Wwf-Uk: $5.0M across 3 grants, latest 2023Climateworks Foundation → Environmental Defense Fund Inc: $4.2M across 1 grant, latest 2024Grantham Foundation for the Protection → Carbon Mapper: $3.5M across 2 grants, latest 2024The William & Flora Hewlett Foundation → Climateworks Foundation: $3.0M across 3 grants, latest 2024The Mcknight Foundation → Towerside Innovation District: $2.0M across 2 grants, latest 2021The Eric and Wendy Schmidt Fund for → The Board of Regents of the University of Wisconsin System: $1.9M across 1 grant, latest 2024The Energy Foundation → Rocky Mountain Institute: $1.8M across 2 grants, latest 2022Builders Vision Foundation → Rare Inc: $1.8M across 1 grant, latest 2022Linden Trust for Conservation → Carbon 180: $528K across 3 grants, latest 2024Alfred P Sloan Foundation → University of California Irvine: $500K across 1 grant, latest 2022Wrld Foundation → Octavia Carbon Co: $400K across 2 grants, latest 2023Greenwave Organization Corp → Alaska Ocean Farms: $188K across 4 grants, latest 2024Sequoia Climate Foundation → Natural Resources Defense Council: $4.0M across 2 grants, latest 2022The William & Flora Hewlett Foundation → Rainforest Foundation Inc: $2.5M across 2 grants, latest 2023Grantham Foundation for the Protection → Carbon Removal Foundation: $2.3M across 2 grants, latest 2024The Mcknight Foundation → Windward Fund: $2.0M across 2 grants, latest 2023The Eric and Wendy Schmidt Fund for → University of Washington: $1.7M across 1 grant, latest 2024Climateworks Foundation → World Resources Institute: $1.5M across 1 grant, latest 2024Builders Vision Foundation → The Nature Conservancy: $1.2M across 4 grants, latest 2024The Energy Foundation → Natural Resources Defense Council Inc: $750K across 2 grants, latest 2022Alfred P Sloan Foundation → Columbia University: $486K across 1 grant, latest 2022Linden Trust for Conservation → Energy Futures Initiative Inc: $330K across 2 grants, latest 2022Wrld Foundation → Parallel Carbon: $279K across 2 grants, latest 2023Greenwave Organization Corp → Seagrove Kelp Co: $88K across 3 grants, latest 2023Sequoia Climate Foundation → Rocky Mountain Institute: $3.3M across 3 grants, latest 2022The William & Flora Hewlett Foundation → Great Plains Institute for Sustainable Development: $2.2M across 2 grants, latest 2024Sequoia Climate Foundation → World Wildlife Fund Inc: $2.2M across 1 grant, latest 2021Grantham Foundation for the Protection → California Institute of Technology: $1.8M across 1 grant, latest 2022The Eric and Wendy Schmidt Fund for → Digital Harbor Foundation Inc: $1.5M across 1 grant, latest 2024Grantham Foundation for the Protection → Carbon Tracker Initiative: $1.5M across 3 grants, latest 2024Sequoia Climate Foundation → Integrity Council for the Voluntary Carbon Market: $1.5M across 1 grant, latest 2021The Eric and Wendy Schmidt Fund for → University of Exeter: $1.4M across 2 grants, latest 2024The William & Flora Hewlett Foundation → Center for Carbon Removal: $1.4M across 3 grants, latest 2024The Mcknight Foundation → St Paul Transportation Management Organization: $1.2M across 3 grants, latest 2022Sequoia Climate Foundation → Icvcm Limited: $1.2M across 1 grant, latest 2022The Eric and Wendy Schmidt Fund for → University of East Anglia: $1.1M across 2 grants, latest 2024The Eric and Wendy Schmidt Fund for → Universit De Versailles Saint-Quentin-En-Yvelines: $1.0M across 1 grant, latest 2024Grantham Foundation for the Protection → Ctrees: $1.0M across 1 grant, latest 2022Sequoia Climate Foundation → Energy Foundation China: $1.0M across 1 grant, latest 2021Sequoia Climate Foundation → Amalgamated Charitable Foundation Inc: $1.0M across 2 grants, latest 2022Sequoia Climate Foundation → Carbon Tracker Initiative Limited: $1.0M across 1 grant, latest 2021Climateworks Foundation → The Trustees of Columbia University in the City of New York: $980K across 1 grant, latest 2024Grantham Foundation for the Protection → Cornell University: $942K across 1 grant, latest 2022The William & Flora Hewlett Foundation → Rocky Mountain Institute: $900K across 3 grants, latest 2024Climateworks Foundation → University of Maryland: $847K across 1 grant, latest 2024Climateworks Foundation → Clean Air Task Force: $810K across 1 grant, latest 2024The William & Flora Hewlett Foundation → Environmental Defense Fund Incorporated: $800K across 2 grants, latest 2023The William & Flora Hewlett Foundation → Natural Resources Defense Council Inc: $800K across 2 grants, latest 2023Builders Vision Foundation → Bigelow Laboratory for Ocean Sciences: $800K across 2 grants, latest 2023Climateworks Foundation → Schwab Charitable Fund: $784K across 1 grant, latest 2024Climateworks Foundation → Climate Advisers Inc: $757K across 1 grant, latest 2024The Eric and Wendy Schmidt Fund for → Universite De Versailles Saint-Quentin-En-Yvelines: $752K across 1 grant, latest 2023Sequoia Climate Foundation: $29M on this topic. Open the funder.Sequoia Climate Foundation$29MClimateworks Foundation: $19M on this topic. Open the funder.Climateworks Foundation$19MGrantham Foundation for the Protection: $16M on this topic. Open the funder.Grantham Foundation for the P…$16MThe William & Flora Hewlett Foundation: $16M on this topic. Open the funder.The William & Flora Hewlett F…$16MThe Eric and Wendy Schmidt Fund for: $12M on this topic. Open the funder.The Eric and Wendy Schmidt Fu…$12MThe Mcknight Foundation: $12M on this topic. Open the funder.The Mcknight Foundation$12MBuilders Vision Foundation: $5.8M on this topic. Open the funder.Builders Vision Foundation$5.8MThe Energy Foundation: $4.8M on this topic. Open the funder.The Energy Foundation$4.8MLinden Trust for Conservation: $1.7M on this topic. Open the funder.Linden Trust for Conservation$1.7MAlfred P Sloan Foundation: $1.5M on this topic. Open the funder.Alfred P Sloan Foundation$1.5MWrld Foundation: $1.1M on this topic. Open the funder.Wrld Foundation$1.1MGreenwave Organization Corp: $728K on this topic. Open the funder.Greenwave Organization Corp$728KWorld Resources Institute: received $11M on this topicWorld Resources Institute$11MInternational Council On Clean Transportation: received $8.8M on this topicInternational Council On Clean…$8.8MFresh Energy: received $7.0M on this topicFresh Energy$7.0MRocky Mountain Institute: received $6.0M on this topicRocky Mountain Institute$6.0MWwf-Uk: received $5.0M on this topicWwf-Uk$5.0MCarbon Gap Ltd: received $4.8M on this topicCarbon Gap Ltd$4.8MEnvironmental Defense Fund Inc: received $4.2M on this topicEnvironmental Defense Fund Inc$4.2MRockefeller Brothers Fund Inc: received $4.0M on this topicRockefeller Brothers Fund Inc$4.0MNatural Resources Defense Council: received $4.0M on this topicNatural Resources Defense Counc…$4.0MCarbon Mapper: received $3.5M on this topicCarbon Mapper$3.5MSwaniti Initiative: received $3.0M on this topicSwaniti Initiative$3.0MClimateworks Foundation: received $3.0M on this topicClimateworks Foundation$3.0MRainforest Foundation Inc: received $2.5M on this topicRainforest Foundation Inc$2.5MCarbon Removal Foundation: received $2.3M on this topicCarbon Removal Foundation$2.3MInternational Council On Clean Transportation Inc: received $2.3M on this topicInternational Council On Clean…$2.3MGreat Plains Institute for Sustainable Development: received $2.2M on this topicGreat Plains Institute for Sust…$2.2MWorld Wildlife Fund Inc: received $2.2M on this topicWorld Wildlife Fund Inc$2.2MMaine Community Foundation Inc: received $2.0M on this topicMaine Community Foundation Inc$2.0MTowerside Innovation District: received $2.0M on this topicTowerside Innovation District$2.0MWindward Fund: received $2.0M on this topicWindward Fund$2.0MThe Board of Regents of the University of Wisconsin System: received $1.9M on this topicThe Board of Regents of the Uni…$1.9MCalifornia Institute of Technology: received $1.8M on this topicCalifornia Institute of Technol…$1.8MRare Inc: received $1.8M on this topicRare Inc$1.8MUniversity of Washington: received $1.7M on this topicUniversity of Washington$1.7MNatural Resources Defense Council Inc: received $1.6M on this topicNatural Resources Defense Counc…$1.6MDigital Harbor Foundation Inc: received $1.5M on this topicDigital Harbor Foundation Inc$1.5MCarbon Tracker Initiative: received $1.5M on this topicCarbon Tracker Initiative$1.5MIntegrity Council for the Voluntary Carbon Market: received $1.5M on this topicIntegrity Council for the Volun…$1.5MUniversity of Exeter: received $1.4M on this topicUniversity of Exeter$1.4MCenter for Carbon Removal: received $1.4M on this topicCenter for Carbon Removal$1.4MThe Nature Conservancy: received $1.2M on this topicThe Nature Conservancy$1.2MSt Paul Transportation Management Organization: received $1.2M on this topicSt Paul Transportation Manageme…$1.2MIcvcm Limited: received $1.2M on this topicIcvcm Limited$1.2MUniversity of East Anglia: received $1.1M on this topicUniversity of East Anglia$1.1MUniversit De Versailles Saint-Quentin-En-Yvelines: received $1.0M on this topicUniversit De Versailles Saint-Q…$1.0MCtrees: received $1.0M on this topicCtrees$1.0MEnergy Foundation China: received $1.0M on this topicEnergy Foundation China$1.0MAmalgamated Charitable Foundation Inc: received $1.0M on this topicAmalgamated Charitable Foundati…$1.0MCarbon Tracker Initiative Limited: received $1.0M on this topicCarbon Tracker Initiative Limit…$1.0MThe Trustees of Columbia University in the City of New York: received $980K on this topicThe Trustees of Columbia Univer…$980KCornell University: received $942K on this topicCornell University$942KUniversity of Maryland: received $847K on this topicUniversity of Maryland$847KClean Air Task Force: received $810K on this topicClean Air Task Force$810KEnvironmental Defense Fund Incorporated: received $800K on this topicEnvironmental Defense Fund Inco…$800KBigelow Laboratory for Ocean Sciences: received $800K on this topicBigelow Laboratory for Ocean Sc…$800KSchwab Charitable Fund: received $784K on this topicSchwab Charitable Fund$784KClimate Advisers Inc: received $757K on this topicClimate Advisers Inc$757KUniversite De Versailles Saint-Quentin-En-Yvelines: received $752K on this topicUniversite De Versailles Saint-…$752KCarbon 180: received $528K on this topicCarbon 180$528KAmerican University: received $501K on this topicAmerican University$501KUniversity of California Irvine: received $500K on this topicUniversity of California Irvine$500KColumbia University: received $486K on this topicColumbia University$486KShinnecock Kelp Farmers Incorporated: received $452K on this topicShinnecock Kelp Farmers Incorpo…$452KCalcef Innovations: received $442K on this topicCalcef Innovations$442KOctavia Carbon Co: received $400K on this topicOctavia Carbon Co$400KEnergy Futures Initiative Inc: received $330K on this topicEnergy Futures Initiative Inc$330KParallel Carbon: received $279K on this topicParallel Carbon$279KAlaska Ocean Farms: received $188K on this topicAlaska Ocean Farms$188KSeagrove Kelp Co: received $88K on this topicSeagrove Kelp Co$88K
12 funders, 59 recipients, grants matching “carbon” only. Ribbon width is proportional to the total given; each funder has its own colour (smaller funders in gray). Hover a name to isolate its flows, click a funder to open it. Drag to move around; zoom with the buttons, a double-click, or the wheel after clicking the map.

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Source: IRS Form 990-PF Part XV and Form 990 Schedule I, tax years 20192025. These are grants already paid, a record of what an organization funds rather than an open call. Private foundations rarely accept unsolicited applications and the route in is usually a program officer; grantmaking charities and associations more often run real application cycles, so check their website. How this data is built, and its limits →