Largest Environment Charities in United States 2026
Discover the the biggest environment organizations by annual revenue in United States. Showing the top 100 organizations.
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1
New Venture Fund
US
Trust: 65/100
Revenue: $963,814,870
Data: 58%
2
World Wildlife Fund Inc
US
Trust: 85/100
Revenue: $408,317,459
Data: 93%
WWF's mission is to conserve nature and reduce the most pressing threats to the diversity of life on Earth. For 50 years, WWF has been …
3
Environmental Defense Fund Incorporated
US
Trust: 95/100
Revenue: $365,118,097
Data: 73%
4
Windward Fund
US
Trust: 65/100
Revenue: $274,341,513
Data: 58%
5
Natural Resources Defense Council Inc
US
Trust: 65/100
Revenue: $273,728,385
Data: 58%
6
The Conservation Fund a Nonprofit Corporation
US
Revenue: $264,390,893
7
Center for Sustainable Energy
US
Trust: 95/100
Revenue: $246,280,637
Data: 67%
8
Climate Imperative Foundation
US
Trust: 90/100
Revenue: $221,533,652
Data: 67%
9
Ducks Unlimited Inc
US
Trust: 100/100
Revenue: $215,328,335
Data: 73%
10
Greenacres Foundation
US
Trust: 90/100
Revenue: $202,353,360
Data: 53%
11
Iso New England Inc
US
Revenue: $201,685,559
12
Energy Trust of Oregon Inc
US
Trust: 95/100
Revenue: $194,332,695
Data: 67%
13
Conservation International Foundation
US
Trust: 100/100
Revenue: $187,936,196
Data: 80%
14
National Audubon Society Inc
US
Trust: 65/100
Revenue: $171,155,404
Data: 58%
15
Trust for Public Land
US
Trust: 65/100
Revenue: $144,472,811
Data: 58%
16
Wetlands America Trust Inc
US
Trust: 65/100
Revenue: $123,361,647
Data: 58%
17
Earthjustice
US
Trust: 100/100
Revenue: $114,892,586
Data: 80%
18
New York Climate Exchange Inc
US
Trust: 60/100
Revenue: $110,664,793
Data: 42%
19
Sierra Club Foundation
US
Trust: 65/100
Revenue: $108,646,694
Data: 58%
20
Kansas Association of Child Care Resource and Referral Agencies
US
Revenue: $98,524,579
21
New York Botanical Garden
US
Trust: 65/100
Revenue: $97,993,949
Data: 58%
22
Vermont Energy Investment Corp
US
Trust: 65/100
Revenue: $94,935,292
Data: 58%
23
National Arbor Day Foundation
US
Trust: 65/100
Revenue: $94,760,158
Data: 58%
24
Trustees of Reservations
US
Trust: 65/100
Revenue: $88,431,001
Data: 58%
25
Rivian Foundation
US
Revenue: $87,615,284
26
Blue Investments for Nature Inc
US
Trust: 90/100
Revenue: $80,184,333
Data: 60%
27
Palladium Foundation
US
Trust: 65/100
Revenue: $79,121,148
Data: 47%
28
Alliance to End Plastic Waste Inc
US
Revenue: $75,195,642
29
Paintcare Inc
US
Trust: 65/100
Revenue: $75,038,987
Data: 58%
30
Urban Land Institute
US
Revenue: $74,525,963
31
Great Hearts America-Texas
US
Revenue: $73,584,130
32
Social and Environmental Entrepreneurs Inc
US
Revenue: $73,216,227
33
Chicago Horticultural Society
US
Trust: 95/100
Revenue: $72,376,611
Data: 67%
34
American Forest Foundation
US
Revenue: $70,003,323
35
Morton Arboretum
US
Trust: 65/100
Revenue: $64,971,405
Data: 58%
36
Missouri Botanical Garden Board of Trustees
US
Trust: 90/100
Revenue: $58,989,201
Data: 67%
37
Dream Org
US
Trust: 90/100
Revenue: $57,812,679
Data: 67%
38
Ocean Conservancy Inc
US
Trust: 65/100
Revenue: $55,287,830
Data: 58%
39
Mattress Recycling Council
US
Revenue: $54,983,973
40
League of Conservation Voters Education Fund
US
Trust: 65/100
Revenue: $54,050,067
Data: 58%
41
Slipstream Group Inc
US
Trust: 65/100
Revenue: $48,286,004
Data: 58%
42
International Centre for Research in Agroforestry
US
Trust: 90/100
Revenue: $47,516,870
Data: 67%
43
Gordon Rausser Foundation
US
Trust: 85/100
Revenue: $46,972,201
Data: 47%
44
Save the Redwoods League
US
Trust: 65/100
Revenue: $46,465,171
Data: 58%
45
Denver Botanic Garden Inc
US
Trust: 95/100
Revenue: $45,589,045
Data: 67%
46
Center for International Forestry Research
US
Trust: 95/100
Revenue: $45,346,432
Data: 73%
47
Thanksgiving Point Institute Inc
US
Revenue: $45,287,862
48
Mds Famly Foundation Inc
US
Trust: 65/100
Revenue: $45,252,906
Data: 47%
49
C40 Cities Climate Leadership Group Inc
US
Trust: 95/100
Revenue: $45,171,282
Data: 67%
50
Hudson Highlands Fjord Trail Inc
US
Revenue: $44,608,311
51
Atlanta Botanical Garden Inc
US
Trust: 65/100
Revenue: $44,604,397
Data: 58%
52
Open Space Institute Land Trust Inc
US
Revenue: $44,215,127
53
Realty Gift Fund
US
Revenue: $43,922,312
54
American Prairie Foundation
US
Trust: 95/100
Revenue: $42,861,456
Data: 73%
55
Klamath River Renewal Corporation
US
Trust: 65/100
Revenue: $42,537,109
Data: 58%
56
Wilderness Society
US
Revenue: $42,014,694
57
National Parks Conservation Association
US
Trust: 65/100
Revenue: $41,743,039
Data: 58%
58
Christensen Fund
US
Revenue: $41,259,919
59
Verra
US
Trust: 65/100
Revenue: $40,505,459
Data: 58%
60
Northwest Energy Efficiency Alliance Inc
US
Trust: 65/100
Revenue: $40,333,579
Data: 58%
61
Multiplier
US
Revenue: $39,865,015
62
Climate and Clean Energy Equity Fund
US
Trust: 65/100
Revenue: $39,078,325
Data: 58%
63
Appalachian Mountain Club
US
Revenue: $39,035,407
64
Peninsula Open Space Trust
US
Revenue: $38,732,952
65
Elevate Energy
US
Revenue: $38,178,610
66
Massachusetts Audubon Society Inc
US
Revenue: $37,986,297
67
Ducks Unlimited Inc
US
Trust: 60/100
Revenue: $37,683,898
Data: 42%
68
Rare Inc
US
Trust: 65/100
Revenue: $37,625,413
Data: 58%
69
National Wild Turkey Federation Inc
US
Revenue: $37,600,735
70
Grid Alternatives
US
Revenue: $37,598,833
71
Product Care Association
US
Trust: 65/100
Revenue: $37,529,296
Data: 53%
72
Resources Legacy Fund
US
Revenue: $37,185,698
73
Pelican Coast Conservancy Inc
US
Revenue: $36,179,183
74
The Recycling Partnership Inc
US
Trust: 65/100
Revenue: $35,681,041
Data: 58%
75
Oceana Inc
US
Trust: 65/100
Revenue: $35,660,414
Data: 58%
76
Lueaster T Mertz Legacy Tr for the New York Botanical Garden
US
Revenue: $35,315,652
77
Greenpeace Fund Inc
US
Trust: 65/100
Revenue: $35,132,276
Data: 58%
78
Iowa Natural Heritage Foundation
US
Revenue: $34,922,369
79
Partnership Project Inc
US
Trust: 65/100
Revenue: $34,840,309
Data: 58%
80
Sustainable Energy Utility Inc
US
Trust: 65/100
Revenue: $34,793,273
Data: 58%
81
Colorado Open Lands
US
Trust: 60/100
Revenue: $34,650,733
Data: 42%
82
Fondo Mexicano Para la Conservacion de la Naturaleza Ac
US
Revenue: $34,626,187
83
The Living Desert
US
Trust: 65/100
Revenue: $34,591,756
Data: 58%
84
Breakthrough Energy Catalyst Foundation
US
Revenue: $34,510,785
85
Highlander Research & Education Center Inc
US
Trust: 65/100
Revenue: $34,419,377
Data: 58%
86
Memorial Park Conservancy Inc
US
Trust: 65/100
Revenue: $33,954,880
Data: 58%
87
Grid Alternatives
US
Revenue: $33,853,183
88
Rights and Resources Institute Inc
US
Trust: 65/100
Revenue: $33,675,806
Data: 58%
89
Nurture Nature Foundation
US
Trust: 65/100
Revenue: $33,172,121
Data: 53%
90
Illinois Audubon Society
US
Trust: 65/100
Revenue: $33,092,304
Data: 58%
91
We Mean Business Coalition Inc
US
Trust: 65/100
Revenue: $31,828,485
Data: 58%
92
Ceres Inc
US
Revenue: $31,657,448
93
Marine Stewardship Council
US
Revenue: $31,607,282
94
Clean Air Task Force Inc
US
Revenue: $31,575,953
95
Golden Gate National Parks Conservancy
US
Trust: 65/100
Revenue: $31,469,988
Data: 58%
96
National Outdoor Leadership School
US
Trust: 65/100
Revenue: $31,393,996
Data: 58%
97
U S Green Building Council Inc
US
Revenue: $31,274,085
98
Climate Lead Inc
US
Trust: 65/100
Revenue: $30,996,407
Data: 58%
99
Chesapeake Bay Foundation Inc
US
Revenue: $30,431,085
100
Pennsylvania Horticultural Society
US
Trust: 65/100
Revenue: $29,814,055
Data: 58%