The U.S. Supreme Court denied the U.S. government's petition for a writ of mandamus in a lawsuit brought by a group of youths challenging the government's failure to act on climate change and asserting the right to a safe climate. The court found that the government's petition was unwarranted becaus...

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 Washington state court dismissed a lawsuit filed by young Washingtonians alleging a right to a clean environment and stable climate. Specifically, plaintiffs argued that the state should be required to submit a greenhouse gas emissions reduction plan because they have a state constitutional right ...

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...