Listed by Category:
* indicates a Washington-based organization
Energy & Climate
- Cascadia Region Green Building Council *
- Climate Solutions *
- Environment and Energy Study Institute
- Green Corps, Inc.
- Northwest SEED *
- NW Energy Coalition *
- Rocky Mountain Institute
- Sightline Institute *
- U.S. PIRG (Public Interest Research Group)
- Union of Concerned Scientists
Forests, Habitat, & Wildlife
- African Wildlife Foundation
- American Forests
- American Rivers
- Audubon Washington *
- Cascade Land Conservancy *
- Conservation Fund, The
- Conservation International
- Defenders of Wildlife
- EarthCorps *
- Environmental Defense
- Forest Service Employees for Environmental Ethics
- Galapagos Conservancy, Inc.
- Green Corps, Inc.
- Izaak Walton League of America
- National Wildlife Federation
- Natural Resources Defense Council
- Nature Conservancy, The
- People for Puget Sound *
- Peregrine Fund, The
- Rails-to-Trails Conservancy
- Rainforest Alliance
- Sightline Institute *
- Trust for Public Land, The
- Union of Concerned Scientists
- Washington Environmental Council *
- Washington Native Plant Society *
- Washington Wilderness Coalition *
- Wilderness Society, The
- Wildlife Conservation Society
- World Wildlife Fund
Pollution & Toxics
- American Rivers
- Beyond Pesticides/National Coalition Against the Misuse of Pesticides
- Center for Health, Environment, and Justice
- Clean Water Fund
- Conservation International
- Environmental Defense
- Green Corps, Inc.
- Natural Resources Defense Council
- People for Puget Sound *
- Pesticide Action Network
- Puget Soundkeeper Alliance *
- Rocky Mountain Institute
- Sightline Institute *
- Surfrider Foundation
- Union of Concerned Scientists
- Washington Citizens for Resource Conservation *
- Washington Environmental Council *
- Washington Toxics Coalition *
Recreation & Parks
- Cascade Land Conservancy *
- Conservation Fund, The
- EarthCorps *
- Izaak Walton League of America
- National Parks Conservation Association
- Rails-to-Trails Conservancy
- Student Conservation Association
- Surfrider Foundation
- Washington Trails Association *
- Washington Water Trails Association *
- Washington Wilderness Coalition *
Sustainable Communities
- American Farmland Trust
- Bicycle Alliance of Washington *
- Cascade Land Conservancy *
- Cascadia Region Green Building Council *
- Center for Health, Environment, and Justice
- Conservation International
- Earth Day Network
- Earth Ministry *
- EarthCorps *
- Environmental Law Institute
- Friends of the Earth
- Futurewise *
- INFORM, Inc.
- Land Trust Alliance
- Nature Conservancy, The
- Northwest SEED *
- Scenic America
- Sierra Club Foundation, The
- Sightline Institute *
- Transportation Choices Coalition *
- Trust for Public Land, The
- U.S. PIRG (Public Interest Research Group)
- Union of Concerned Scientists
- Washington Environmental Council *