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...

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...