organizations
- California State Parks Foundation (CSPF) - Dedicated to protecting, enhancing and advocating for California State Parks.
- East Bay SPCA - Provides shelter, health care, and adoption services for unwanted animals in Alameda County.
- Greenbelt Alliance - Works in partnership with diverse coalitions on public policy development, advocacy and education to protect the San Francisco Bay Area's greenbelt.
- Monterey Bay Aquarium - Seeks to inspire conservation of the oceans.
- The Nature Conservancy - The leading conservation organization working to protect the most ecologically important lands and waters around the world for nature and people.
- Oakland Zoo - Inspires respect for and stewardship of the natural world.
- People for the Ethical Treatment of Animals (PETA) - Dedicated to establishing and protecting the rights of all animals.
- Regional Parks Foundation - Supports the East Bay Regional Park District.
- Save-The-Redwoods League - Acquires and protects redwoods, assisting in the development of many parks throughout the natural redwood range.