Category
Environment & Animals Charities
247
Nonprofits
$15.8B
Total Revenue
73/100
Avg Efficiency
By Revenue
Largest Environment & Animals Nonprofits
New Venture Fund
$669.1M
B
Center For Sustainable Energy
$502.9M
B
National Fish And Wildlife Foundation
$415.5M
B
San Diego Zoo Wildlife Alliance
$411.0M
B
American Society For The Prevention Of Cruelty To Animals
$379.3M
A
World Wildlife Fund Inc
$372.8M
B
Wildlife Conservation Society
$345.5M
B
The Conservation Fund A Nonprofit Corporation
$327.4M
B
Ducks Unlimited Inc
$302.2M
B
Trust For Public Land
$297.4M
A
Environmental Defense Fund Incorporated
$247.1M
B
Iso New England Inc
$235.6M
A
Conservation International Foundation
$235.1M
B
Energy Trust Of Oregon Inc
$222.7M
A
Windward Fund
$212.4M
A
Climate Imperative Foundation
$206.7M
B
Natural Resources Defense Council Inc
$193.1M
B
Humane World For Animals Inc
$175.0M
B
Best Friends Animal Society
$173.5M
A
National Audubon Society Inc
$156.1M
B