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Environment

Environment nonprofits in the U.S.

29,467 environmental nonprofits file a Form 990 in the United States. Together they report $24 billion in revenue and hold $79 billion in assets. Browse the largest below, or drill in by state. Also called conservation groups, green charities.

The largest are New Venture Fund, National Headquarters, and The Conservation Fund A Nonprofit Corporation.

Organizations
29,467
Total revenue
$24.0B
Total assets
$79.1B

Largest environmental nonprofits

Ranked by revenue. Sort any column, or follow an org to track it.

Top 100 by revenue · 29,467 environmental nonprofits nationwide
Click a column to sort
Organization StateRevenueAssets Follow
New Venture Fund Washington DC$662.4M$624.9M
National Headquarters Memphis TN$443.6M
The Conservation Fund A Nonprofit Corporation Arlington VA$373.2M$942.8M
World Wildlife Fund Inc Washington DC$366.7M$777.3M
Center For Sustainable Energy San Diego CA$335.6M$51.6M
Conservation International Foundation Arlington VA$308.7M$703.6M
Windward Fund Washington DC$308.2M$432.7M
Environmental Defense Fund Incorporated New York NY$298.7M$520.4M
Sixteen Thirty Fund Washington DC$282.2M$106.5M
Climate Imperative Foundation San Francisco CA$271.7M$109.6M
Iso New England Inc Holyoke MA$264.6M$700.2M
Energy Trust Of Oregon Inc Portland OR$251.2M$96.0M
The Trust For Public Land San Francisco CA$237.3M$432.7M
B Berger Action Fund Inc Washington DC$206.5M$387.8M
Natural Resources Defense Council Inc New York NY$204.3M$657.2M
National Audubon Society Inc New York NY$149.9M$641.3M
Marshall Area Economic Development Alliance Marshall MI$143.7M$342.4M
Earthjustice San Francisco CA$139.6M$315.7M
Great Hearts America-Texas San Antonio TX$137.4M$356.9M
Vermont Energy Investment Corp Winooski VT$130.9M$53.4M
New York Botanical Garden Bronx NY$124.7M$700.4M
National Arbor Day Foundation Lincoln NE$111.9M$136.3M
City Of Oaks Foundation Inc Raleigh NC$105.2M$110.1M
Thanksgiving Point Institute Inc Lehi UT$99.9M$168.1M
Social And Environmental Entrepreneurs Inc Calabasas CA$94.6M$103.2M
The Urban Land Institute Washington DC$93.1M$93.4M
Paintcare Inc Washington DC$84.7M$93.5M
Resources Legacy Fund Sacramento CA$79.6M$151.9M
Climate Power Washington DC$79.4M$1.4M
The Atlanta Botanical Garden Inc Atlanta GA$76.0M$258.6M
Missouri Botanical Garden Board Of Trustees Saint Louis MO$75.3M$398.4M
League Of Conservation Voters Education Fund Washington DC$75.2M$37.2M
C40 Cities Climate Leadership Group Inc New York NY$73.6M$43.9M
Open Space Institute Land Trust Inc New York NY$73.1M$448.3M
Alliance To End Plastic Waste Inc Austin TX$68.3M$169.8M
Chicago Horticultural Society Glencoe IL$68.1M$359.1M
Save The Redwoods League San Francisco CA$68.1M$208.5M
P Palladium Foundation Salt Lake Cty UT$66.9M$72.4M
Allied Climate Partners Inc New York NY$66.5M$71.4M
The Wildlands Conservancy Oak Glen CA$66.0M$240.4M
Multiplier San Francisco CA$65.8M$63.4M
H Holdfast Tr Jackson WY$63.3M$1.4B
Ducks Unlimited Inc Group Return Memphis TN$63.2M$0
National Wild Turkey Federation Inc Edgefield SC$63.1M$31.0M
The Sunrise Project Inc Wilmington DE$61.1M$14.0M
Elevate Energy Chicago IL$60.9M$58.3M
Trustees Of Reservations Boston MA$57.9M$398.2M
The Morton Arboretum Lisle IL$57.8M$367.6M
Fondo Mexicano Para La Conservacion De La Naturaleza Ac Mexico $57.1M$220.7M
River Partners Chico CA$56.9M$56.8M
Massachusetts Audubon Society Inc Lincoln MA$56.2M$402.0M
Redwood Forest Foundation Inc Fort Bragg CA$53.6M$90.1M
American Rivers Inc Washington DC$53.4M$40.1M
Bonneville Environmental Foundation Portland OR$51.8M$68.8M
National Parks Conservation Association Washington DC$51.6M$73.9M
Colorado Open Lands Lakewood CO$51.3M$14.0M
Golden Gate National Parks Conservancy San Francisco CA$50.7M$83.0M
U S Green Building Council Inc Washington DC$50.3M$40.0M
Clean Air Task Force Inc Boston MA$50.1M$47.2M
Klamath River Renewal Corporation Berkeley CA$49.8M$59.1M
Ocean Conservancy Inc Washington DC$48.8M$97.9M
Sustainable Energy Utility Inc Dover DE$48.7M$162.6M
Center For International Forestry Research Alexandria VA$48.6M$44.5M
C Catalyst4 Inc Palo Alto CA$48.5M$1.1B
S Sustainable Markets Foundation New York NY$48.0M$59.1M
The Living Desert Palm Desert CA$48.0M$170.6M
Great Barrier Reef Foundation Usa Inc Washington DC$47.8M$28.7M
Grid Alternatives Oakland CA$46.9M$63.5M
Grid Alternatives Oakland CA$46.0M$38.1M
Great Basin Institute Reno NV$45.9M$21.0M
International Centre For Research In Agroforestry Alexandria VA$45.4M$46.8M
American Prairie Foundation Bozeman MT$44.7M$206.8M
American Conservation Experience Flagstaff AZ$44.7M$11.1M
Climate Arc Inc Dover DE$44.4M$30.5M
Appalachian Mountain Club Charlestown MA$43.6M$221.0M
Bess Rural Energy Cooperative Lca Washington DC$43.5M$351.6M
National Outdoor Leadership School Lander WY$43.0M$123.8M
Forest Park Forever Inc Saint Louis MO$42.3M$246.2M
Wilderness Society Washington DC$42.0M$119.1M
Carbon Mapper Inc Pasadena CA$42.0M$45.3M
Mattress Recycling Council Inc Alexandria VA$41.8M$28.9M
Yellowstone Forever Bozeman MT$41.8M$81.9M
Denver Botanic Gardens Inc Denver CO$41.6M$21.4M
Conservation Law Foundation Inc Boston MA$41.6M$50.3M
The Recycling Partnership Inc Washington DC$41.2M$46.1M
Northwest Energy Efficiency Alliance Inc Portland OR$41.1M$20.7M
Slipstream Group Inc Madison WI$41.1M$32.1M
Ceres Inc Boston MA$40.9M$39.0M
Napa County Land Trust Napa CA$39.7M$158.0M
Product Care Association Canada $39.1M$50.8M
Cdp North America Inc New York NY$38.7M$28.9M
Big Country Electric Cooperative Inc Roby TX$38.6M$130.4M
Global Greengrants Fund Inc Boulder CO$38.1M$54.1M
Rewiring America Inc Washington DC$37.6M$17.4M
Climate Lead Inc San Francisco CA$37.5M$44.5M
Earthshare Washington DC$37.3M$38.9M
Brooklyn Botanic Garden Corporation Brooklyn NY$36.2M$158.8M
National Marine Sanctuary Foundation Silver Spring MD$36.0M$15.5M
Chesapeake Bay Foundation Inc Annapolis MD$35.4M$127.9M
M Marine Stewardship Council United Kingdom $35.1M$61.0M
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All environmental nonprofits by state

California3,536 orgsNew York1,698 orgsFlorida1,596 orgsTexas1,384 orgsPennsylvania1,108 orgsMassachusetts1,043 orgsTennessee938 orgsWashington910 orgsMichigan900 orgsWisconsin896 orgsColorado873 orgsVirginia858 orgsOregon772 orgsNorth Carolina768 orgsOhio737 orgsMinnesota717 orgsIllinois660 orgsGeorgia629 orgsNew Jersey588 orgsMaryland550 orgsIndiana540 orgsArizona472 orgsConnecticut441 orgsMaine430 orgsHawaii409 orgsDistrict Of Columbia384 orgsSouth Carolina357 orgsIowa344 orgsMissouri344 orgsMontana321 orgsLouisiana300 orgsAlabama291 orgsKentucky281 orgsUtah273 orgsNew Hampshire261 orgsVermont257 orgsNew Mexico249 orgsIdaho226 orgsNevada218 orgsAlaska190 orgs

Largest environmental nonprofits by state

California3,536 orgsNew York1,698 orgsFlorida1,596 orgsTexas1,384 orgsPennsylvania1,108 orgsMassachusetts1,043 orgsTennessee938 orgsWashington910 orgsMichigan900 orgsWisconsin896 orgsColorado873 orgsVirginia858 orgsOregon772 orgsNorth Carolina768 orgsOhio737 orgsMinnesota717 orgsIllinois660 orgsGeorgia629 orgsNew Jersey588 orgsMaryland550 orgsIndiana540 orgsArizona472 orgsConnecticut441 orgsMaine430 orgsHawaii409 orgsDistrict Of Columbia384 orgsSouth Carolina357 orgsIowa344 orgsMissouri344 orgsMontana321 orgsLouisiana300 orgsAlabama291 orgsKentucky281 orgsUtah273 orgsNew Hampshire261 orgsVermont257 orgsNew Mexico249 orgsIdaho226 orgsNevada218 orgsAlaska190 orgs

Environment categories

Botanical Gardens & ArboretaBotanical, Horticultural & Landscape ServicesEnergy Resources Conservation & DevelopmentEnvironment N.E.C.Environmental BeautificationEnvironmental EducationForest ConservationGarden ClubsLand Resources ConservationNatural Resources Conservation & ProtectionPollution Abatement & ControlRecyclingWater Resources, Wetlands Conservation & Management
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Public data from IRS Form 990 e-file & Business Master File. A 990 shows how an organization is run and funded — not its real-world outcomes. Figures are presented without evaluation; we do not rate, score, or rank organizations. · philanthropy.org