Sierra Club San Francisco Bay Chapter
Home to approximately 31,000 Sierra Club members in Alameda, Contra Costa, Marin, and San Francisco counties.

Sierra Club California

Sierra Club National 
Home to more than 1.4 million of your friends and neighbors. Inspired by nature, we work together to protect our communities and the planet. The Club is America's oldest, largest and most influential grassroots environmental organization.

The Sierra Club Yodeler

Sierra magazine


350Bay Area


Protects birds and other wildlife and the habitat that supports them.

Bay Area Sunrise Facebook page

California Coastal Protection Network

Cool The Earth

Citizens' Climate Lobby

Environmental Forum of Marin 
Protects and enhances the environment through education. Conducts training programs on environmental issues, and provide continuing education for its members and the public.

Environmental Action Committee (EAC) 
Works to protect West Marin’s natural environment and rural character.

Farmers' Markets in Marin 

Lead on Climate

Leadership for a Clean Economy
Trains diverse young professionals seeking leadership roles in the clean energy field.

MCSTOPPP (Marin County Stormwater Pollution Prevention Program) 

Marin Agricultural Land Trust (MALT) 
Acquires agricultural conservation easements on farmland in voluntary transactions with landowners, and encourages public policies that support and enhance agriculture.

Marin Conservation League
Preserves, protects and enhances Marin’s natural areas and recreational assets.

Marin Audubon Society
Conserves and restores natural ecosystems, focusing on birds, other wildlife, and their habitats.

Marin Baylands Advocates
Works to permanently protect baylands along the eastern shoreline of Marin County, bordering San Pablo and San Francisco Bays.

Marin School of Environmental Leadership

Marin Vegetarian Education Group

Pesticide Free Zone

Resilient Neighborhoods

Romburg Tiburon Center for Environmental Studies (SF State)

San Francisco Bay National Estuarine Research Reserve

Shore Up Marin

SPAWN (Salmon Protection and Watershed Network)
Works to protect endangered salmon in the Lagunitas Watershed, and the environment on which we all depend.

Strategic Energy Innovations

Sustainable Fairfax

Sustainable Marin

Sustainable Novato

Sustainable San Rafael

Watershed Alliance of Marin 



Marin County Government Environmental Page

Marin County Parks & Open Space

Marin County Stormwater Pollution Prevention Program (MCSTOPPP)

Marin IPM Commission 
Integrated Pest Management

San Francisco Bay Regional Quality Control Board

California State Coastal Conservancy