Mealey's (January 21, 2021, 11:35 AM EST) -- RICHMOND, Va. — Environmental advocacy groups on Jan. 19 filed a brief in the Fourth Circuit U.S. Court of Appeals seeking a second review of permit approval granted by the U.S. Fish and Wildlife Service (FWS) for the Mountain Valley Pipeline (MVP), a 304-mile pipeline that would carry hydraulically fractured oil and gas from West Virginia into Virginia....