· Public charity
Windward Fund
The WINDWARD FUND advances public awareness about conservation, climate and environmental issues, sustainable food systems, and the protection of land, wildlife, and other natural resources.
What it funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2024.
Where the money goes
Grants by size, and the largest recipients.
How this is measured
By grant size · FY2024
- Under $10k4 grants · $28k
- $10k–50k36 grants · $759k
- $50k–250k303 grants · $34M
- $250k+115 grants · $103M
| Recipient | Amount |
|---|---|
| THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS | $8,254,990 |
| ENVIRONMENTAL DEFENSE FUND INC | $7,765,690 |
| CARBON MAPPER INC | $5,000,000 |
| HOURGLASS CLIMATE INC | $3,948,938 |
| INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT | $3,438,500 |
| THE ENERGY FOUNDATION | $3,423,333 |
| CORNELL UNIVERSITY | $2,991,652 |
| FRONTIER CLIMATE MANAGEMENT LLC | $2,828,213 |
| WORLD RESOURCES INSTITUTE | $2,296,667 |
| NATURAL RESOURCES DEFENSE COUNCIL INC | $2,296,667 |
| MIGHTY EARTH INC | $2,232,657 |
| ROCKY MOUNTAIN INSTITUTE | $1,960,000 |
| MERIDIAN INSTITUTE | $1,400,000 |
| REWIRING AMERICA INC | $1,320,330 |
| TIDES FOUNDATION | $1,270,000 |
Does the money reach high-need areas?
Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.
Its human-services grants (FY20–24, $15.7M) land where the poverty rate runs at 14%, against an area that typically sits at 10%. 91% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.
How this is measured
Which US states its grants reach
Grants abroad, by region: $38M on the FY2024 return
Schedule F, as filed: 7 regions. The IRS asks for region and purpose, not the recipient, so no country or grantee can be named here.
Stated purpose: ENVIRONMENTAL PROGRAMS · AGRICULTURE, FOOD, NUTRITION
Stated purpose: ENVIRONMENTAL PROGRAMS · AGRICULTURE, FOOD, NUTRITION
Stated purpose: ENVIRONMENTAL PROGRAMS
Stated purpose: ENVIRONMENTAL PROGRAMS
Stated purpose: ENVIRONMENTAL PROGRAMS · AGRICULTURE, FOOD, NUTRITION
Stated purpose: ENVIRONMENTAL PROGRAMS
Stated purpose: ENVIRONMENTAL PROGRAMS
How this is measured
Who it funds again
Organizations funded in more than one year, against those funded once.
Grantees it renews have grown median revenue +51% since the first grant, against +16% for those funded once.
386 repeat relationships: 277 still active in FY2024, 109 since wound down; 166 grantees were first funded in FY2024 (too recent to call).
How the two cohorts compare
Organizations
Total granted
Median revenue growth · since first grant
Still filing today
New vs renewed · share of each year
In FY2024, 68% of grant dollars renewed an existing relationship; $43M went to new ones.
Where new relationships form · theme of each grantee’s first grant
How this is measured
Backed again, and grew
Potential Energy Coalition Inc4× · 2021–2024 · $31M · revenue +121% · 43% of their budget
ENVIRONMENTAL DEFENSE FUND INCORPORATED5× · 2018–2024 · $15M · revenue +111%- IFINSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT4× · 2020–2024 · $13M · revenue +15% · 60% of their budget
Funded once
- HPHOME PLANET FUNDone grant, 2022 · $20M · revenue -96%
- IAINTER AMERICAN DEVELOPMENT BANKone grant, 2023 · $3.5M
- TETaproot Earthgraduatedone grant, 2022 · $2.0M · revenue +30% · 27% of their budget
How this is measured
Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.
Closest unfunded matches
The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.
Our mission is to fight against fossil fuel executives and industries that have turned our communities into dumping grounds for toxic waste, poisoning our air, water, lan, and bodies. We organize to oppose giant oil refineries, dirty…
The Climate Center is a climate and energy policy nonprofit working to rapidly reduce climate pollution at scale, starting in California.
Partnership for Policy Integrity (PFPI) uses data-driven advocacy and litigation to fight for forests, communities and the climate.
One Earth connects thinkers, doers, activists, and knowledge holders from around the world to solve humanity's greatest ecological challenges--together. Our belief is simple: The solutions to the climate crisis already exist. By connecting…
The national caucus of environmental legislators empowers a nonpartisan network of legislative champions to protect, conserve, and improve the natural and human environment.
To empower frontline communities to lead nature-based solutions that advance climate justice, ecosystem restoration, and resilient livelihoods through connecting locally-led initiatives to funding, markets, and technical support.
The climate equity action fund (ceaf) works hand-in-hand with community-based partners in critical states across the country to secure and sustain policy wins for climate and clean energy. building on over a decade of trust with leading…
Climate catalyst sparks collective action to tackle the biggest climate challenges we face today: cutting emissions in heavy industries.
To research and develop healthy climate solutions comprising global food security, ecosystem regeneration and carbon balance in seas and soils.
E3g is a leading international not-for-profit think tank specialising in climate diplomacy harnessing expertise in the politics and economics of climate change.
To educate workers and the public about policies that will build a clean energy economy at the scale climate science demands, create good union jobs, and create more equitable communities.
To cultivate leaders and community partnerships to advance environmental justice.
How this is measured
816 grantees tracked through their own filings, 2017–2026.
Each grant beside the grantee’s revenue from every source, year by year.
How this is measured
Counted here: distinct organizations funded across 2017 to 2026, not grant rows in a single year, so this will not match the grant count on the cover. 816 of the 900 grantees resolved in that span have returns of their own we could reconcile.
Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.
Where the money sits, by cause and then by grantee
Showing the 200 largest grantees by grant value.
Each grantee by its size and the funder’s share of it; top left is load-bearing
Grantee by grantee: a decade per organization, before and after funding
A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.
- Who funds Carbon Mapper Inc ↗
- Who funds Potential Energy Coalition Inc ↗
- Who funds HOME PLANET FUND ↗
- Who funds ENVIRONMENTAL DEFENSE FUND INCORPORATED ↗
- Who funds INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT ↗
- Who funds ROCKEFELLER PHILANTHROPY ADVISORS INC ↗
- Who funds CLEAN AIR TASK FORCE INC ↗
- Who funds Rocky Mountain Institute ↗
- Who funds THE ENERGY FOUNDATION ↗
- Who funds WORLD RESOURCES INSTITUTE ↗
- Who funds THE NATURE CONSERVANCY ↗
- Who funds WOODS HOLE OCEANOGRAPHIC INSTITUTION ↗
- Who funds TIDES CENTER ↗
- Who funds C40 Cities Climate Leadership Group Inc ↗
- Who funds The Partnership Project Inc ↗
- Who funds WATER FOUNDATION ↗
- Who funds WORLD WILDLIFE FUND INC ↗
- Who funds HOURGLASS CLIMATE INC ↗
- Who funds NATURAL RESOURCES DEFENSE COUNCIL INC ↗
- Who funds ISAIAH ↗
- Who funds Cascade Climate Inc ↗
- Who funds Cornell University ↗
- Who funds Global Alliance for Incinerator Alternatives ↗
- Who funds CERES INC ↗
- Who funds Houston in Action Network ↗
- Who funds Earthworks ↗
- Who funds The Pew Charitable Trusts ↗
- Who funds FOUNDATION FOR LOUISIANA ↗
- Who funds SIXTEEN THIRTY FUND ↗
- Who funds NEW VENTURE FUND ↗
- Who funds MIGHTY EARTH INC ↗
- Who funds TIDES FOUNDATION ↗
- Who funds PROGEORGIA STATE TABLE INC ↗
- Who funds The Global FoodBanking Network ↗
- Who funds BVM CAPACITY BUILDING INSTITUTE INC ↗
- Who funds TEXAS FREEDOM NETWORK EDUCATION FUND ↗
Co-funders
Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.
Open a dossier: United States Energy Foundation · Solutions Project Inc · Rockefeller Family Fund Inc · Amalgamated Charitable Foundation Inc · The Schmidt Family Foundation · Movement Strategy Center · NEO Philanthropy Inc · Social and Environmental Entrepreneurs (See) Inc · People's Action Institute · Natural Resources Defense Council Inc · Freedom Together Foundation · Common Counsel Foundation
How this is measured
How much its grantees rely on government
Each dot is one organization Windward Fund funds: left to right is the share of its income from government, bottom to top the share from Windward Fund. Bigger dots raise more.
- Woods Hole Oceanographic Institution: 63% of income from government
- Massachusetts Institute of Technology: 35% of income from government
- Casa Inc: 8% of income from government
- Ceres Inc: 0% of income from government
How this is measured
Play a game based on Windward’s filings →