San Francisco Bay Chapter Sierra Club

The Monterey Shale stretches from Mendecino to Los Angeles. It contains roughly 15,000,000,000 barrels of oil; two-thirds of the total oil reserves in the United States.

Fight Fracking in California

Fracking is a method of extracting oil and gas through blasting huge amounts of water, sand, and toxic chemicals deep into the earth, breaking up rock formations to allow oil and gas to flow up through a well. The Monterey Shale formation, stretching from Alameda County to Los Angeles, contains roughly 600 million barrels of oil, much less than originally estimated. Oil companies envision short-term profits from fracking the Monterey Shale, but are not addressing the lasting impacts on our water, air, environment, and health.

Specifically, the impacts of fracking include:

  • contaminating groundwater, causing respiratory and neurological illness;
  • releasing methane, a potent greenhouse gas;
  • provoking seismic activity;
  • disturbing wildlife habitats and communities.

A bill (SB 1132) was introduced in the state legislature in 2014 to establish a moratorium on fracking in California, but it failed to get out of committee and died on the senate floor. As a result, we are working on local bans at the county or city level.

Join the Bay Chapter's Fracking Action Team!

Attend the next meeting of the Bay Chapter's fracking action team, sponsored by our Chapter Energy Committee, called Don't Frack California. To get involved, contact Aria Cahir at Meetings are typically held the third Tuesday of each month at the Chapter office, 2530 San Pablo Avenue in Berkeley. Newcomers are always welcome!

Even if you can't attend the next meeting, you can volunteer with the Don't Frack California Team. We welcome all capabilities and levels of commitment. Please tell us what volunteer roles interest you by emailing Aria Cahir at

SF Bay Chapter Activist Events

The Fracking Action Team's events are marked "Don't Frack CA"

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