National Park Foundation
Washington, DC
Official charity of America's national parks.
Volunteer events
Cleanups, build days, adoption events and more — straight from the organizations.
See what's happening near you
Ways to help
Set your area above to see local organizations. Meanwhile, these take volunteers too: some have local chapters, some ways to help from home.
Natural Resources Defense Council
New York, NY
Environmental protection through science, law and policy.
Ocean Conservancy
Washington, DC · Worldwide
Science-based solutions for a healthy ocean.
Oceana
Washington, DC
Campaigns to protect and restore the world's oceans.
EnvironmentSee how to help (opens Oceana's site)
One Tree Planted
Shelburne, VT
Reforestation — one dollar plants one tree.
Rainforest Alliance
New York, NY
Protects forests and supports farming communities.
Know a volunteer event or a local charity we're missing? Tell us and we'll add it.