SB 4

Until recently, California's Monterey Shale was estimated to have the nation's highest amount of recoverable oil. Then the Energy Department revised their estimates, lowering it 96%, which turned out to be bad news for fracking moratorium advocates.
Aug 21, 2014   Governing
A high profile bill championed by California's environmental community that would have placed a moratorium on fracking and other well stimulation treatment and would have allowed more local control failed to get off the Senate floor on May 29 and 30.
Jun 2, 2014   Daily Breeze
A unanimous vote by the Carson city council for the 45-day moratorium on all oil drilling, with or without fracking, was done in response to an application for drilling by Occidental Petroleum even though the company agreed not to utilize fracking.
Mar 21, 2014   Los Angeles Times
Calif. Gov. Jerry Brown has made climate protection a centerpiece of his policy agenda, yet he has also embraced the controversial technology of fracking to tap his state's huge shale oil reserves by signing SB 4. He explains his position here.
Nov 2, 2013   San Jose Mercury - Science
SB 4 passed the legislature over strong objections from the oil and business community. California will go from having no well stimulation (includes acidizing) regulation set in statute to the nation's toughest, so why are environmentalists unhappy?
Sep 13, 2013   Los Angeles Times - Business
Sacramento reporter John Myers suggests that if the oil industry and the Sierra Club both oppose a fracking bill - one for going too far; the other for not going far enough - then state Senator Fran Pavley's bill, "must be doing something right".
Sep 2, 2013   News 10/KXTV Sacramento