(January 26, 2018, 11:51 AM EST) -- SAN FRANCISCO — The California attorney general and a collection of environmental groups on Jan. 24 filed separate complaints against the Trump administration in California federal court, contending that the U.S. Bureau of Land Management (BLM) repeal of regulations pertaining to hydraulic fracturing on public and tribal lands violates federal law and is “arbitrary and capricious” (Sierra Club, et al. v. Ryan Zinke, et al., No. 18-524, State of California v. United States Bureau of Land Management, et al., No. 18-521, N.D. Calif.)....