Colorado coal mine faces citizen suit alleging air law violations

Several environmental groups are suing a Colorado coal mine alleging its expansion is violating the Clean Air Act by emitting excess methane and volatile organic compound (VOC) emissions and operating without a proper permit, part of a broader long-running effort to halt the mine’s expansion into a roadless area at the center of numerous suits. The new citizen suit , Wildearth Guardians, et al. v. Mountain Coal Company, et al., filed May 12 in U.S. District Court for the...