The Sixth Circuit held that seepage from a coal-fired power plant that reached a nearby lake violated RCRA, but not the CWA. Environmental groups argued that the chemicals being stored in coal ash ponds contaminated the surrounding groundwater, which in turn contaminated a nearby lake, in violation ...

The Ninth Circuit affirmed a district court's ruling that a Canadian smelter company that dumped several million tons of industrial waste into the Columbia River was liable for a Native American tribe's response costs. The company argued that CERCLA did not allow the tribe to recover its costs of es...

The Ninth Circuit affirmed a summary judgment rejecting a mining association's challenge to an Oregon law that prohibits the use of motorized mining equipment in rivers and streams containing essential salmon habitat. The association argued that the law was field preempted by the federal 1872 Mining...

The D.C. Circuit granted in part environmental groups' petition challenging EPA's 2015 rule governing the disposal of coal combustion residuals (CCRs) produced by electric utilities and independent power plants. The groups argued that the rule unlawfully disregarded significant risks of harmful leak...

The Fourth Circuit vacated both an incidental take statement issued by FWS and a right-of-way permit issued by the National Park Service (NPS) for construction of a natural gas pipeline that intersects the Blue Ridge Parkway. Environmental groups argued that the take limits set by FWS in its Inciden...