"Fracking" draws little oversight in California

Michael J. Mishak, Los Angeles Time, reports that "energy companies across California are injecting a mysterious mix of chemicals into the ground to tap oil deposits while frustrating attempts to regulate the controversial process, known as hydraulic fracturing."

"So far, nine states require energy companies to disclose what they put into the ground but the Brown administration, which has been trying to ease regulation of the energy industry, has yet to draw up any rules on the extraction method."