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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 “greenhouse”

Where the money went

1.0×
Climateworks Foundation → The Energy Foundation: $13M across 1 grant, latest 2024Builders Vision Foundation → Rockefeller Philanthropy Advisors: $8.0M across 2 grants, latest 2023Zerov Inc → Greenhouse 17 Inc: $6.0M across 4 grants, latest 2024Metropolitan Energy Center Inc → Ups: $2.1M across 3 grants, latest 2024Sequoia Climate Foundation → Avpn Limited: $2.0M across 1 grant, latest 2023World Resources Institute → Allotrope Partners LLC: $636K across 3 grants, latest 2023The Chicago Community Trust → Greenhouse Scholars: $411K across 4 grants, latest 2023The Ajana Foundation → Trustees of Tufts: $390K across 3 grants, latest 2024The Mcknight Foundation → Bicycle Alliance of Minnesota: $300K across 3 grants, latest 2021Honda USA Foundation → Los Angeles Brotherhood Crusade - Black United Fund Inc: $225K across 3 grants, latest 2024The Heinz Endowments → Carnegie Mellon University: $98K across 3 grants, latest 2023Colorado Garden Show Inc → Craver Middle School: $75K across 1 grant, latest 2024Climateworks Foundation → Natural Resources Defense Council: $2.8M across 1 grant, latest 2024Sequoia Climate Foundation → Center for Applied Environmental Law and Policy: $2.0M across 1 grant, latest 2021Metropolitan Energy Center Inc → Lazer Spot Inc: $717K across 2 grants, latest 2024Builders Vision Foundation → The Minneapolis Foundation: $500K across 1 grant, latest 2024World Resources Institute → The Nature Conservancy: $419K across 2 grants, latest 2023The Mcknight Foundation → Minnesota Center for Environmental Advocacy: $200K across 1 grant, latest 2020The Ajana Foundation → Mashpee Wampanoag Tribe: $85K across 2 grants, latest 2024The Heinz Endowments → Environmental Research Institute of the States: $80K across 2 grants, latest 2024Colorado Garden Show Inc → Wellpower: $75K across 1 grant, latest 2022The Chicago Community Trust → Eckerd College: $40K across 1 grant, latest 2022Honda USA Foundation → Scientific Adventures for Girls: $27K across 1 grant, latest 2024Climateworks Foundation → Rocky Mountain Institute: $2.0M across 1 grant, latest 2024Sequoia Climate Foundation → Windward Fund: $1.8M across 2 grants, latest 2023Metropolitan Energy Center Inc → Hirschbach Motor Lines: $712K across 1 grant, latest 2023World Resources Institute → United Nations: $250K across 1 grant, latest 2021The Mcknight Foundation → Institute for Agriculture and Trade Policy: $200K across 2 grants, latest 2024Builders Vision Foundation → Xchange Chicago Inc: $150K across 1 grant, latest 2024Colorado Garden Show Inc → Centauri High School: $30K across 1 grant, latest 2022Climateworks Foundation → Clasp: $1.7M across 1 grant, latest 2024Sequoia Climate Foundation → Amalgamated Charitable Foundation Inc: $1.0M across 2 grants, latest 2022Sequoia Climate Foundation → Natural Resources Defense Council: $800K across 1 grant, latest 2023Sequoia Climate Foundation → Building Decarbonization Coalition: $800K across 1 grant, latest 2022Climateworks Foundation → Environmental Investigation Agency: $650K across 1 grant, latest 2024Climateworks Foundation → American Council for An Energy Efficient Economy: $610K across 1 grant, latest 2024Climateworks Foundation → Lawrence Berkeley National Lab: $575K across 1 grant, latest 2024Metropolitan Energy Center Inc → Ds Bus Lines: $540K across 1 grant, latest 2022Sequoia Climate Foundation → Environmental Investigation Agency Uk: $530K across 1 grant, latest 2022Metropolitan Energy Center Inc → Triplett: $420K across 2 grants, latest 2023Metropolitan Energy Center Inc → Lilypadev: $228K across 2 grants, latest 2023World Resources Institute → Sdsn Association Inc: $225K across 2 grants, latest 2023World Resources Institute → Conservation International Foundation: $215K across 1 grant, latest 2022World Resources Institute → Environmental Law & Policy Center: $215K across 3 grants, latest 2023Metropolitan Energy Center Inc → Tucker Equipment Inc: $207K across 2 grants, latest 2024Climateworks Foundation → Climate Resolve: $200K across 1 grant, latest 2024Climateworks Foundation → Institute for Governance & Sustainable Development: $194K across 1 grant, latest 2024World Resources Institute → Greenlatinos: $189K across 3 grants, latest 2023World Resources Institute → American Lung Association: $187K across 1 grant, latest 2021World Resources Institute → Environment America Research & Policy Center: $185K across 3 grants, latest 2023World Resources Institute → Ny League Conservation Voters Inc: $170K across 3 grants, latest 2023Climateworks Foundation → Building Decarbonization Coalition: $153K across 1 grant, latest 2024Metropolitan Energy Center Inc → Grain Valley R-5 School District: $144K across 1 grant, latest 2024Metropolitan Energy Center Inc → Sun Solar: $139K across 2 grants, latest 2024World Resources Institute → Conservation Internation: $128K across 1 grant, latest 2021World Resources Institute → Rocky Mountain Institute: $115K across 1 grant, latest 2021World Resources Institute → Michigan Environmental Council: $104K across 2 grants, latest 2023Metropolitan Energy Center Inc → Water One: $104K across 1 grant, latest 2024Metropolitan Energy Center Inc → Evergy Metro: $102K across 1 grant, latest 2024The Mcknight Foundation → Food & Water Watch: $100K across 1 grant, latest 2024The Mcknight Foundation → City of Minneapolis: $100K across 1 grant, latest 2022The Mcknight Foundation → Regenerative Agriculture Foundation: $100K across 1 grant, latest 2022Climateworks Foundation → New Buildings Institute: $100K across 1 grant, latest 2024World Resources Institute → E3g Third Generation Environmentalism: $98K across 3 grants, latest 2023Climateworks Foundation: $22M on this topic. Open the funder.Climateworks Foundation$22MSequoia Climate Foundation: $8.9M on this topic. Open the funder.Sequoia Climate Foundation$8.9MBuilders Vision Foundation: $8.7M on this topic. Open the funder.Builders Vision Foundation$8.7MZerov Inc: $6.0M on this topic. Open the funder.Zerov Inc$6.0MMetropolitan Energy Center Inc: $5.4M on this topic. Open the funder.Metropolitan Energy Center Inc$5.4MWorld Resources Institute: $3.1M on this topic. Open the funder.World Resources Institute$3.1MThe Mcknight Foundation: $1.0M on this topic. Open the funder.The Mcknight Foundation$1.0MThe Ajana Foundation: $475K on this topic. Open the funder.The Ajana Foundation$475KThe Chicago Community Trust: $451K on this topic. Open the funder.The Chicago Community Trust$451KHonda USA Foundation: $252K on this topic. Open the funder.Honda USA Foundation$252KColorado Garden Show Inc: $180K on this topic. Open the funder.Colorado Garden Show Inc$180KThe Heinz Endowments: $178K on this topic. Open the funder.The Heinz Endowments$178KThe Energy Foundation: received $13M on this topicThe Energy Foundation$13MRockefeller Philanthropy Advisors: received $8.0M on this topicRockefeller Philanthropy Adviso…$8.0MGreenhouse 17 Inc: received $6.0M on this topicGreenhouse 17 Inc$6.0MNatural Resources Defense Council: received $3.6M on this topicNatural Resources Defense Counc…$3.6MRocky Mountain Institute: received $2.1M on this topicRocky Mountain Institute$2.1MUps: received $2.1M on this topicUps$2.1MAvpn Limited: received $2.0M on this topicAvpn Limited$2.0MCenter for Applied Environmental Law and Policy: received $2.0M on this topicCenter for Applied Environmenta…$2.0MWindward Fund: received $1.8M on this topicWindward Fund$1.8MClasp: received $1.7M on this topicClasp$1.7MAmalgamated Charitable Foundation Inc: received $1.0M on this topicAmalgamated Charitable Foundati…$1.0MBuilding Decarbonization Coalition: received $953K on this topicBuilding Decarbonization Coalit…$953KLazer Spot Inc: received $717K on this topicLazer Spot Inc$717KHirschbach Motor Lines: received $712K on this topicHirschbach Motor Lines$712KEnvironmental Investigation Agency: received $650K on this topicEnvironmental Investigation Age…$650KAllotrope Partners LLC: received $636K on this topicAllotrope Partners LLC$636KAmerican Council for An Energy Efficient Economy: received $610K on this topicAmerican Council for An Energy…$610KLawrence Berkeley National Lab: received $575K on this topicLawrence Berkeley National Lab$575KDs Bus Lines: received $540K on this topicDs Bus Lines$540KEnvironmental Investigation Agency Uk: received $530K on this topicEnvironmental Investigation Age…$530KThe Minneapolis Foundation: received $500K on this topicThe Minneapolis Foundation$500KTriplett: received $420K on this topicTriplett$420KThe Nature Conservancy: received $419K on this topicThe Nature Conservancy$419KGreenhouse Scholars: received $411K on this topicGreenhouse Scholars$411KTrustees of Tufts: received $390K on this topicTrustees of Tufts$390KBicycle Alliance of Minnesota: received $300K on this topicBicycle Alliance of Minnesota$300KUnited Nations: received $250K on this topicUnited Nations$250KLilypadev: received $228K on this topicLilypadev$228KLos Angeles Brotherhood Crusade - Black United Fund Inc: received $225K on this topicLos Angeles Brotherhood Crusade…$225KSdsn Association Inc: received $225K on this topicSdsn Association Inc$225KConservation International Foundation: received $215K on this topicConservation International Foun…$215KEnvironmental Law & Policy Center: received $215K on this topicEnvironmental Law & Policy Cent…$215KTucker Equipment Inc: received $207K on this topicTucker Equipment Inc$207KMinnesota Center for Environmental Advocacy: received $200K on this topicMinnesota Center for Environmen…$200KInstitute for Agriculture and Trade Policy: received $200K on this topicInstitute for Agriculture and T…$200KClimate Resolve: received $200K on this topicClimate Resolve$200KInstitute for Governance & Sustainable Development: received $194K on this topicInstitute for Governance & Sust…$194KGreenlatinos: received $189K on this topicGreenlatinos$189KAmerican Lung Association: received $187K on this topicAmerican Lung Association$187KEnvironment America Research & Policy Center: received $185K on this topicEnvironment America Research &…$185KNy League Conservation Voters Inc: received $170K on this topicNy League Conservation Voters I…$170KXchange Chicago Inc: received $150K on this topicXchange Chicago Inc$150KGrain Valley R-5 School District: received $144K on this topicGrain Valley R-5 School District$144KSun Solar: received $139K on this topicSun Solar$139KConservation Internation: received $128K on this topicConservation Internation$128KMichigan Environmental Council: received $104K on this topicMichigan Environmental Council$104KWater One: received $104K on this topicWater One$104KEvergy Metro: received $102K on this topicEvergy Metro$102KFood & Water Watch: received $100K on this topicFood & Water Watch$100KCity of Minneapolis: received $100K on this topicCity of Minneapolis$100KRegenerative Agriculture Foundation: received $100K on this topicRegenerative Agriculture Founda…$100KNew Buildings Institute: received $100K on this topicNew Buildings Institute$100KCarnegie Mellon University: received $98K on this topicCarnegie Mellon University$98KE3g Third Generation Environmentalism: received $98K on this topicE3g Third Generation Environmen…$98KMashpee Wampanoag Tribe: received $85K on this topicMashpee Wampanoag Tribe$85KEnvironmental Research Institute of the States: received $80K on this topicEnvironmental Research Institut…$80KCraver Middle School: received $75K on this topicCraver Middle School$75KWellpower: received $75K on this topicWellpower$75KEckerd College: received $40K on this topicEckerd College$40KCentauri High School: received $30K on this topicCentauri High School$30KScientific Adventures for Girls: received $27K on this topicScientific Adventures for Girls$27K
12 funders, 61 recipients, grants matching “greenhouse” 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 →