We are committed to inspiring participation and awareness in the preservation of fragile ecosystems by providing opportunities for personal direct action to save the diversity of life on Earth.... Read more >

Our mission is caring for the marine environment through ocean awareness, advocacy, and citizen action.... Read more >

Save The Bay is the largest regional organization working to protect, restore and celebrate San Francisco Bay.... Read more >

Since 1918, Save the Redwoods League has protected more than 200,000 acres of redwood forest and helped create 66 redwood parks and preserves.... Read more >

The Schmidt Family Foundation, established by Wendy and Eric Schmidt in 2006, brings philanthropic resources to some of this century's greatest challenges across the globe. Applying new knowledge and innovation is our model for problem sol... Read more >

SCRAP is a non-profit creative reuse center, materials depot, and workshop space founded in 1976 in San Francisco, California. SCRAP breathes new life into old objects and reduces waste by diverting over 200 tons of materials heading to la... Read more >

Founded in 2006 by Nat Simons and Laura Baxter-Simons as a private family foundation, the Sea Change Foundation focuses primarily on climate change mitigation and clean energy policy in the United States and internationally.... Read more >

Located beside PIER 39's K Dock, the Sea Lion Center celebrates the boisterous colony of California Sea Lions that congregate on the marina docks. Naturalists present complimentary interactive programs focused on the ecology and natural hi... Read more >

The Seabird Protection Network is a multi-organization collaborative whose mission is to reduce human disturbance to seabirds and other marine wildlife along the California coast. Currently, the Seabird Protection Network extends from the ... Read more >

The San Francisco Estuary Institute (SFEI) is one of California's premier aquatic and ecosystem science institutes. Our mission: provide scientific support and tools for decision-making and communication through collaborative efforts. We p... Read more >

The Sierra Club works to defend the environment and safeguard the future of the planet. It has 64 chapters in 50 states.... Read more >

Soapbox Project helps busy people to fight climate change in 3 minutes or less.... Read more >

The mission of Social and Environmental Entrepreneurs (SEE) is to empower, encourage, and catalyze projects so that we can collaborate and facilitate progressive change in areas of social and environmental justice.... Read more >

Soil Solutions bridges the Food Movement and the Climate Movement by engaging leading scientists and policymakers as well as carbon farmers and ranchers. Acting together we can restore the health of our most undervalued natural resource. H... Read more >

Solana Center for Environmental Innovation is a San Diego-based 501(c)(3) nonprofit organization that focuses on Zero Waste, composting, and water conservation.... Read more >

Solar Cookers International's mission is to spread solar thermal cooking technology to benefit people and environments.... Read more >