KQED: Alameda County is now the first Bay Area county to ban fracking, and supporters say it could have a domino effect across the region and the state.
County supervisors unanimously approved the ban at their Tuesday meeting.
Fracking is the process of extracting oil and gas from the earth using high-pressure water mixtures. Activists have raised concerns it could cause environmental damage such as ground water contamination.
"I am deeply relieved that the Board of Supervisors passed the fracking...