A new offshore fracking project is seeking federal approval, which critics say could open the door to more along California's coast. The California Coastal Commission may intervene to stop it.

Former Gov. Andrew M. Cuomo prohibited high-volume fracking in New York in 2014 citing health concerns, particularly over water contamination and air pollution.

When Pennsylvania pioneered unconventional fracking, the political and regulatory landscape was not prepared for the shale gas boom that would be unleashed across the Commonwealth. Over two decades ...