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.
Foundation based inAny state AL AK AZ AR CA CO CT DE DC FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PA RI SC SD TN TX UT VT VA WA WV WI WY PR VI Gave to recipients inAny state AL AK AZ AR CA CO CT DE DC FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PA RI SC SD TN TX UT VT VA WA WV WI WY PR VI Funder typeBoth Private foundations Charities & associations Grants of at leastAny size $10k $50k $100k Active sinceAny year 2023 or later 2024 or later
12 funders with a record of paying for “dioxide”
Where the money went Bernard and Anne Spitzer → Climateworks Foundation: $3.1M across 2 grants, latest 2023 The William & Flora Hewlett Foundation → Climateworks Foundation: $3.0M across 3 grants, latest 2024 Chan Zuckerberg Initiative Foundation → Climateworks Foundation: $2.5M across 1 grant, latest 2022 Skyline Foundation → Climateworks Foundation: $1.5M across 3 grants, latest 2024 Linden Trust for Conservation → World Resources Institute: $535K across 4 grants, latest 2025 Alfred P Sloan Foundation → American University: $501K across 1 grant, latest 2024 Wrld Foundation → Calcef Innovations: $442K across 1 grant, latest 2024 Environmental Research & Education → University of Nevada: $300K across 2 grants, latest 2024 Maine Technology Institute → Peregrine Turbine Technologies LLC: $250K across 1 grant, latest 2021 Wisconsin Cheese Makers Association → Baker's Golden Dairy LLC: $99K across 1 grant, latest 2024 Research Corporation Dba Research → Massachusetts Institute of Technology: $60K across 1 grant, latest 2024 Spelman College → University of Alabama in Huntsville: $13K across 2 grants, latest 2023 Chan Zuckerberg Initiative Foundation → Activate Global Inc: $770K across 1 grant, latest 2022 Linden Trust for Conservation → Carbon 180: $528K across 3 grants, latest 2024 Alfred P Sloan Foundation → University of California Irvine: $500K across 1 grant, latest 2022 Wrld Foundation → Octavia Carbon Co: $400K across 2 grants, latest 2023 Wisconsin Cheese Makers Association → Augment LLC: $86K across 2 grants, latest 2024 Research Corporation Dba Research → The Rector and Visitors of the University of Virginia: $55K across 1 grant, latest 2022 Maine Technology Institute → Peaks Renewables Inc: $50K across 1 grant, latest 2023 Alfred P Sloan Foundation → Columbia University: $486K across 1 grant, latest 2022 Linden Trust for Conservation → Energy Futures Initiative Inc: $330K across 2 grants, latest 2022 Wrld Foundation → Parallel Carbon: $279K across 2 grants, latest 2023 Research Corporation Dba Research → Johns Hopkins University: $55K across 1 grant, latest 2022 Linden Trust for Conservation → National Wildlife Federation: $300K across 2 grants, latest 2025 Linden Trust for Conservation → Bipartisan Policy Center: $300K across 3 grants, latest 2025 Alfred P Sloan Foundation → University of Michigan: $268K across 2 grants, latest 2022 Linden Trust for Conservation → Great Plains Institute for Sustainable Development: $263K across 2 grants, latest 2024 Alfred P Sloan Foundation → Arizona State University: $250K across 1 grant, latest 2022 Wrld Foundation → Plant With Purpose: $240K across 1 grant, latest 2024 Linden Trust for Conservation → Great Plains Institute: $188K across 2 grants, latest 2022 Linden Trust for Conservation → Natural Resources Defense Council: $150K across 1 grant, latest 2025 Wrld Foundation → Vycarb: $150K across 1 grant, latest 2024 Wrld Foundation → Precision Development Inc: $123K across 1 grant, latest 2024 Wrld Foundation → Clinton Health Access Initiative: $120K across 1 grant, latest 2024 Wrld Foundation → Jocotoco Conservation Foundation: $102K across 1 grant, latest 2024 Wrld Foundation → Human Rights Watch: $100K across 1 grant, latest 2024 Linden Trust for Conservation → Bipartisan Policy Center Inc: $100K across 1 grant, latest 2023 Linden Trust for Conservation → Clean Air Task Force Inc: $100K across 1 grant, latest 2022 Wrld Foundation → Industrious Education Fund: $100K across 1 grant, latest 2024 Wrld Foundation → Holocene Climate Corporation: $100K across 1 grant, latest 2024 Wrld Foundation → Biosorra LLC: $100K across 1 grant, latest 2024 Wrld Foundation → Mati Carbon Pbc: $100K across 1 grant, latest 2024 Wrld Foundation → Clean Air Task Force Inc: $95K across 1 grant, latest 2024 Wrld Foundation → Rural Devleopment Institute: $75K across 1 grant, latest 2024 Wrld Foundation → Alkali Earth Inc: $75K across 1 grant, latest 2024 Alfred P Sloan Foundation → Oregon State University: $55K across 1 grant, latest 2024 Research Corporation Dba Research → University of Massachusetts Amherst: $55K across 1 grant, latest 2022 Alfred P Sloan Foundation → University of Southern California: $55K across 1 grant, latest 2023 Alfred P Sloan Foundation → University of Cincinnati: $55K across 1 grant, latest 2023 Alfred P Sloan Foundation → Texas A&m University: $55K across 1 grant, latest 2022 Alfred P Sloan Foundation → Scripps Research Institute: $55K across 1 grant, latest 2023 Alfred P Sloan Foundation → Georgia Institute of Technology: $55K across 1 grant, latest 2024 Alfred P Sloan Foundation → Duke University: $55K across 1 grant, latest 2024 Research Corporation Dba Research → Trustees of Columbia University: $50K across 1 grant, latest 2022 Linden Trust for Conservation → Carbonplan: $50K across 1 grant, latest 2022 Wrld Foundation → Heirloom Carbon Technologies Inc: $24K across 2 grants, latest 2023 Chan Zuckerberg Initiative Foundation: $3.3M on this topic. Open the funder. Chan Zuckerberg Initiative Fo… $3.3M Bernard and Anne Spitzer: $3.1M on this topic. Open the funder. Bernard and Anne Spitzer $3.1M The William & Flora Hewlett Foundation: $3.0M on this topic. Open the funder. The William & Flora Hewlett F… $3.0M Linden Trust for Conservation: $2.8M on this topic. Open the funder. Linden Trust for Conservation $2.8M Wrld Foundation: $2.6M on this topic. Open the funder. Wrld Foundation $2.6M Alfred P Sloan Foundation: $2.4M on this topic. Open the funder. Alfred P Sloan Foundation $2.4M Skyline Foundation: $1.5M on this topic. Open the funder. Skyline Foundation $1.5M Maine Technology Institute: $300K on this topic. Open the funder. Maine Technology Institute $300K Environmental Research & Education: $300K on this topic. Open the funder. Environmental Research & Educ… $300K Research Corporation Dba Research: $275K on this topic. Open the funder. Research Corporation Dba Rese… $275K Wisconsin Cheese Makers Association: $185K on this topic. Open the funder. Wisconsin Cheese Makers Assoc… $185K Spelman College: $13K on this topic. Open the funder. Spelman College $13K Climateworks Foundation: received $10M on this topic Climateworks Foundation $10M Activate Global Inc: received $770K on this topic Activate Global Inc $770K World Resources Institute: received $535K on this topic World Resources Institute $535K Carbon 180: received $528K on this topic Carbon 180 $528K American University: received $501K on this topic American University $501K University of California Irvine: received $500K on this topic University of California Irvine $500K Columbia University: received $486K on this topic Columbia University $486K Calcef Innovations: received $442K on this topic Calcef Innovations $442K Octavia Carbon Co: received $400K on this topic Octavia Carbon Co $400K Energy Futures Initiative Inc: received $330K on this topic Energy Futures Initiative Inc $330K National Wildlife Federation: received $300K on this topic National Wildlife Federation $300K Bipartisan Policy Center: received $300K on this topic Bipartisan Policy Center $300K University of Nevada: received $300K on this topic University of Nevada $300K Parallel Carbon: received $279K on this topic Parallel Carbon $279K University of Michigan: received $268K on this topic University of Michigan $268K Great Plains Institute for Sustainable Development: received $263K on this topic Great Plains Institute for Sust… $263K Peregrine Turbine Technologies LLC: received $250K on this topic Peregrine Turbine Technologies… $250K Arizona State University: received $250K on this topic Arizona State University $250K Plant With Purpose: received $240K on this topic Plant With Purpose $240K Great Plains Institute: received $188K on this topic Great Plains Institute $188K Natural Resources Defense Council: received $150K on this topic Natural Resources Defense Counc… $150K Vycarb: received $150K on this topic Vycarb $150K Precision Development Inc: received $123K on this topic Precision Development Inc $123K Clinton Health Access Initiative: received $120K on this topic Clinton Health Access Initiative $120K Jocotoco Conservation Foundation: received $102K on this topic Jocotoco Conservation Foundation $102K Human Rights Watch: received $100K on this topic Human Rights Watch $100K Bipartisan Policy Center Inc: received $100K on this topic Bipartisan Policy Center Inc $100K Clean Air Task Force Inc: received $100K on this topic Clean Air Task Force Inc $100K Industrious Education Fund: received $100K on this topic Industrious Education Fund $100K Holocene Climate Corporation: received $100K on this topic Holocene Climate Corporation $100K Biosorra LLC: received $100K on this topic Biosorra LLC $100K Mati Carbon Pbc: received $100K on this topic Mati Carbon Pbc $100K Baker's Golden Dairy LLC: received $99K on this topic Baker's Golden Dairy LLC $99K Clean Air Task Force Inc: received $95K on this topic Clean Air Task Force Inc $95K Augment LLC: received $86K on this topic Augment LLC $86K Rural Devleopment Institute: received $75K on this topic Rural Devleopment Institute $75K Alkali Earth Inc: received $75K on this topic Alkali Earth Inc $75K Massachusetts Institute of Technology: received $60K on this topic Massachusetts Institute of Tech… $60K The Rector and Visitors of the University of Virginia: received $55K on this topic The Rector and Visitors of the… $55K Johns Hopkins University: received $55K on this topic Johns Hopkins University $55K Oregon State University: received $55K on this topic Oregon State University $55K University of Massachusetts Amherst: received $55K on this topic University of Massachusetts Amh… $55K University of Southern California: received $55K on this topic University of Southern Californ… $55K University of Cincinnati: received $55K on this topic University of Cincinnati $55K Texas A&m University: received $55K on this topic Texas A&m University $55K Scripps Research Institute: received $55K on this topic Scripps Research Institute $55K Georgia Institute of Technology: received $55K on this topic Georgia Institute of Technology $55K Duke University: received $55K on this topic Duke University $55K Peaks Renewables Inc: received $50K on this topic Peaks Renewables Inc $50K Trustees of Columbia University: received $50K on this topic Trustees of Columbia University $50K Carbonplan: received $50K on this topic Carbonplan $50K Heirloom Carbon Technologies Inc: received $24K on this topic Heirloom Carbon Technologies Inc $24K University of Alabama in Huntsville: received $13K on this topic University of Alabama in Huntsv… $13K 12 funders, 53 recipients, grants matching “dioxide” 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. Largest: $300,000 to ENERGY FUTURES INITIATIVE INC — carbon dioxide removal analysis and education
Full grant history → IRS filings ↗
Largest: $441,712 to CALCEF Innovations — project support for the climate transformation fund and carbon dioxide removal
Full grant history → IRS filings ↗
Largest: $501,463 to AMERICAN UNIVERSITY — to develop and implement a community-oriented engagement approach on marine carbon dioxide removal (mcdr) in partnership with[c]worthy, a focused research organization
Full grant history → IRS filings ↗
Largest: $60,000 to Massachusetts Institute of Technology — transition metal-free reactivity of redox-activated carbon dioxide
Full grant history → IRS filings ↗
Largest: $1.5M to CLIMATEWORKS FOUNDATION — for carbon dioxide removal program
Full grant history → IRS filings ↗
Largest: $500,000 to CLIMATEWORKS FOUNDATION — carbon dioxide removal solutions program
Full grant history → IRS filings ↗
Largest: $98,865 to BAKER'S GOLDEN DAIRY LLC — production increase of superwhitepowder (replacement for titanium dioxide)
Full grant history → IRS filings ↗
Largest: $149,885 to UNIVERSITY OF NEVADA — research grant-selective carbon dioxide capture and conversion from lfg
Full grant history → IRS filings ↗
Largest: $1.9M to CLIMATEWORKS FOUNDATION — carbon dioxide removal fund
Full grant history → IRS filings ↗
Largest: $2.5M to CLIMATEWORKS FOUNDATION — carbon dioxide removal program
Full grant history → IRS filings ↗
Largest: $250,000 to Peregrine Turbine Technologies LLC — a new technology for storing renewable, non-dispatchable power using thermal energy storage technology coupled with peregrine's breakthrough turbine engine technology which employs…
Full grant history → IRS filings ↗
Largest: $7,671 to University of Alabama in Huntsville — hbcu-excellence in research: estimate of ground nitrogen dioxide (no2) and ozone concentrations by using multiple satellite data and machine learning technologies
Full grant history → IRS filings ↗
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Source: IRS Form 990-PF Part XV and Form 990 Schedule I, tax years 2019–2025. 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 →