A district court granted California cities' motions to remand their climate change tort actions against oil and gas companies back to state court. Although their state law claims raise national and perhaps global questions, they should not have been removed to federal court. Removal based on federal...

A district court held that San Francisco and Oakland, California, may not remove back to state court their climate change public nuisance actions against several oil companies. The defendants—the largest cumulative producers of fossil fuels worldwide—timely invoked federal common law as a ground...

The Ninth Circuit held that NOAA did not go beyond its authority when it took climate change into account when considering the ESA status of the Arctic ringed seal. In 2012, NOAA listed the Arctic ringed seal as threatened based on projected sea ice loss. Oil and gas companies challenged the ruling,...

The Ninth Circuit vacated EPA's conditional registration of a pesticide because the Agency failed to support its requisite finding that registration was in the public interest. A pesticide manufacturer applied to register a pesticide that uses nanosilver as its active ingredient. EPA conditionally r...