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 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...