Puget Sound Region Growth and Sustainability
- 1000 Friends of Washington
- City of Seattle Office of Sustainability and Environment
- EarthSave Seattle
- EarthSmart
- Friends of the San Juans
- King County Growth Management Planning Council
Living Lightly on the Earth
- Northwest Corporate Accountability Project
- Puget Sound Clean Cities Coalition
- Puget Sound Green Pages
- Seattle Environmental Events Calendar
- Sustainable Seattle
- U.W. Biodiesel Project
- Yes! A Journal of Positive Futures
- Zero Population Growth Seattle