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Organizations
Total Revenue
Contributions
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Compare years
1
Nature Conservancy
$1.2B
2
San Diego Zoo Wildlife Alliance
$411.0M
3
World Wildlife Fund Inc
$372.8M
4
World Resources Institute
$357.8M
5
Wildlife Conservation Society
$345.5M
6
The Conservation Fund A Nonprofit Corporation
$327.4M
7
Trust For Public Land
$297.4M
8
Environmental Defense Fund Incorporated
$247.1M
9
Conservation International Foundation
$235.1M
10
National Geographic Society
$232.0M
11
Windward Fund
$212.4M
12
Natural Resources Defense Council Inc
$193.1M
13
Sierra Club
$173.4M
14
National Audubon Society Inc
$156.1M
15
Central Park Conservancy Inc
$148.0M
16
Resources Legacy Fund
$131.0M
17
Earthjustice
$126.0M
18
National Wildlife Federation
$117.9M
19
Klamath River Renewal Corporation
$104.8M
20
National Arbor Day Foundation
$97.0M
21
Urban Land Institute
$95.6M
22
Pheasants Forever
$89.6M
23
Sierra Club Foundation
$89.1M
24
Rainforest Alliance Inc
$85.5M
25
Open Space Institute Land Trust Inc
$74.8M
26
Global Fishing Watch Inc
$69.5M
27
Trout Unlimited
$62.7M
28
National Wild Turkey Federation Inc
$54.1M
29
Rewild
$53.3M
30
Wildlife Conservation Network Inc
$52.5M
31
National Forest Foundation
$51.6M
32
Trustees Of Reservations
$50.5M
33
Ocean Conservancy Inc
$48.6M
34
Napa County Land Trust
$48.1M
35
Oceana Inc
$46.5M
36
Rainforest Trust
$45.5M
37
International Centre For Research In Agroforestry
$44.4M
38
Great Basin Institute
$44.2M
39
Global Greengrants Fund Inc
$42.6M
40
Palladium Foundation
$41.1M
41
Volgenau Foundation
$40.6M
42
Wilderness Society
$39.2M
43
Sustainable Markets Foundation
$39.2M
44
Save The Redwoods League
$38.8M
45
Iowa Natural Heritage Foundation
$38.7M
46
Panthera Corporation
$38.3M
47
Montana Land Reliance
$37.9M
48
Center For International Forestry Research
$35.9M
49
Defenders Of Wildlife
$35.9M
50
Elemental Excelerator Inc
$35.7M
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2,503 orgs
$11.2B
