Environment nonprofits
The CharityIndex directory lists 28,945 environment tax-exempt organizations from public IRS data, 0% of graded ones rated A or A+. Explore the largest by revenue, browse by state, or see the best-rated environment charities.
Organizations
28,945
Combined annual revenue
$23.3B
Subcategories of Environment — drill down
Natural Resources Conservation12,544 orgs · $11.6B revenueBotanical Gardens & Horticulture3,622 orgs · $1.6B revenueEnvironmental Education3,185 orgs · $2.3B revenueAlliances, Advocacy & Professional Societies2,838 orgs · $3.8B revenueEnvironmental Beautification1,837 orgs · $817.3M revenueEnvironmental Programs1,832 orgs · $738.4M revenuePollution Abatement & Control1,651 orgs · $1.3B revenueSupport Foundations & Fundraising1,432 orgs · $1.2B revenueEnvironment — other (C8x)1 orgs · $0 revenue
Largest organizations
- 1
New Venture FundWashington, DC · EIN 20-5806345A$662.4Mrevenue
- 2
Ducks Unlimited IncMemphis, TN · EIN 13-5643799A$443.6Mrevenue
- 3
The Conservation Fund A Nonprofit CorporationArlington, VA · EIN 52-1388917A+$373.2Mrevenue
- 4
World Wildlife Fund IncWashington, DC · EIN 52-1693387A$366.7Mrevenue
- 5
Center For Sustainable EnergySan Diego, CA · EIN 33-0936366C$335.6Mrevenue
- 6
Conservation International FoundationArlington, VA · EIN 52-1497470A$308.7Mrevenue
- 7
Windward FundWashington, DC · EIN 47-3522162A+$308.2Mrevenue
- 8
Environmental Defense Fund IncorporatedNew York, NY · EIN 11-6107128A$298.7Mrevenue
- 9
Sixteen Thirty FundWashington, DC · EIN 26-4486735B+$282.2Mrevenue
- 10
Climate Imperative FoundationSan Francisco, CA · EIN 84-5024713C+$271.7Mrevenue
- 11
Iso New England IncHolyoke, MA · EIN 04-3372500B$264.6Mrevenue
- 12
Energy Trust of Oregon IncPortland, OR · EIN 93-1313663B+$251.2Mrevenue
- 13
Trust For Public LandSan Francisco, CA · EIN 23-7222333A$237.3Mrevenue
- 14Berger Action Fund IncWashington, DC · EIN 20-8948868A$206.5Mrevenue
- 15
Natural Resources Defense Council IncNew York, NY · EIN 13-2654926A$204.3Mrevenue
- 16
National Audubon Society IncNew York, NY · EIN 13-1624102B+$149.9Mrevenue
- 17
Marshall Area Economic Development AllianceMarshall, MI · EIN 46-1516144A$143.7Mrevenue
- 18
EarthjusticeSan Francisco, CA · EIN 94-1730465A$139.6Mrevenue
- 19
Great Hearts America-texasSan Antonio, TX · EIN 43-1973126B$137.4Mrevenue
- 20
Vermont Energy Investment CorpWinooski, VT · EIN 03-0304418A$130.9Mrevenue
- 21
New York Botanical GardenBronx, NY · EIN 13-1693134A$124.7Mrevenue
- 22
National Arbor Day FoundationLincoln, NE · EIN 23-7169265A$111.9Mrevenue
- 23
Sierra Club FoundationOakland, CA · EIN 94-6069890C$108.2Mrevenue
- 24City of Oaks Foundation IncRaleigh, NC · EIN 27-4467111A$105.2Mrevenue
- 25
Thanksgiving Point Institute IncLehi, UT · EIN 84-1416158A$99.9Mrevenue
- 26
Social and Environmental Entrepreneurs IncCalabasas, CA · EIN 95-4116679A+$94.6Mrevenue
- 27
Urban Land InstituteWashington, DC · EIN 53-0159845A$93.1Mrevenue
- 28
Paintcare IncWashington, DC · EIN 27-1354262A$84.7Mrevenue
- 29
Resources Legacy FundSacramento, CA · EIN 95-4703838C+$79.6Mrevenue
- 30
Climate PowerWashington, DC · EIN 92-2307261B$79.4Mrevenue
- 31
Atlanta Botanical Garden IncAtlanta, GA · EIN 58-1313284A$76.0Mrevenue
- 32
Missouri Botanical Garden Board of TrusteesSaint Louis, MO · EIN 43-0666759A$75.3Mrevenue
- 33
League of Conservation Voters Education FundWashington, DC · EIN 52-1379661A$75.2Mrevenue
- 34
C40 Cities Climate Leadership Group IncNew York, NY · EIN 90-0634376A$73.6Mrevenue
- 35Open Space Institute Land Trust IncNew York, NY · EIN 13-3028060A$73.1Mrevenue
- 36Alliance To End Plastic Waste IncAustin, TX · EIN 83-2463179A$68.3Mrevenue
- 37
Chicago Horticultural SocietyGlencoe, IL · EIN 36-2225482A$68.1Mrevenue
- 38
Save the Redwoods LeagueSan Francisco, CA · EIN 94-0843915A$68.1Mrevenue
- 39
Allied Climate Partners IncNew York, NY · EIN 93-2878604B+$66.5Mrevenue
- 40
Wildlands ConservancyYucaipa, CA · EIN 33-0676450A$66.0Mrevenue
- 41
MultiplierSan Francisco, CA · EIN 91-2166435B+$65.8Mrevenue
- 42Holdfast TrJackson, WY · EIN 88-6574046C$63.3Mrevenue
- 43
- 44
National Wild Turkey Federation IncEdgefield, SC · EIN 57-0564993A$63.1Mrevenue
- 45
Sunrise Project IncWilmington, DE · EIN 87-2370083A$61.1Mrevenue
- 46
Elevate EnergyChicago, IL · EIN 36-4443093A$60.9Mrevenue
- 47
Trustees of ReservationsBoston, MA · EIN 04-2105780A$57.9Mrevenue
- 48
Morton ArboretumLisle, IL · EIN 36-1505770A$57.8Mrevenue
- 49
Fondo Mexicano Para La Conservacion De La Naturaleza AcMexico, null · EIN 52-1945379B$57.1Mrevenue
- 50River PartnersChico, CA · EIN 94-3302335B$56.9Mrevenue
Showing 50 of 28,945
Environment nonprofits by state
- California (3,459)
- New York (1,662)
- Florida (1,548)
- Texas (1,344)
- Pennsylvania (1,089)
- Massachusetts (1,030)
- Tennessee (1,026)
- Washington (897)
- Wisconsin (884)
- Michigan (866)
- Colorado (848)
- Virginia (841)
- Oregon (761)
- North Carolina (749)
- Ohio (725)
- Minnesota (708)
- Illinois (650)
- Georgia (620)
- New Jersey (573)
- Maryland (538)
- Indiana (523)
- Arizona (462)
- Connecticut (435)
- Maine (422)
- Hawaii (400)
- District of Columbia (374)
- South Carolina (346)
- Iowa (337)
- Missouri (333)
- Montana (316)
- Louisiana (296)
- Alabama (285)
- Kentucky (275)
- Utah (271)
- New Hampshire (254)
- Vermont (253)
- New Mexico (243)
- Idaho (221)
- Nevada (211)
- Alaska (187)
- Oklahoma (178)
- Kansas (170)
- Wyoming (162)
- Arkansas (154)
- Rhode Island (153)
- Delaware (152)
- West Virginia (149)
- Mississippi (134)
- Nebraska (133)
- South Dakota (101)
- Puerto Rico (71)
- North Dakota (54)
- U.S. Virgin Islands (19)
- Guam (5)
- American Samoa (3)
- Northern Mariana Islands (3)
- Armed Forces Europe (1)