The San Francisco Bay Chapter is the local branch of the Sierra Club, America's largest and most effective grassroots environmental organization.
The Bay Chapter has a rich and vibrant history of environmental leadership going back to our founding in 1924. We have played a big role in shaping the Bay Area — and California — that you know and love. Read about some of our biggest successes here.
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2530 San Pablo Avenue, #I , Berkeley, CA
510.848.0800
www.sierraclub.org/san-francisco-bay