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...

A Pennsylvania state court granted in part and denied in part an industry trade group's challenge to state rules governing hydraulic fracturing near playgrounds. The group argued that the rules' definitions for "common areas of a school's property" and "playground" were unlawful, unreasonable, and u...