The Ninth Circuit remanded, 2-1, a rule EPA promulgated in 2019 in response to the court's 2017 writ of mandamus directing the Agency to respond to the need for updated lead-based paint hazard standards. Nonprofit groups argued the rule violated provisions of the the Residential Lead-Based Paint Haz...

A district court adopted a magistrate judge's recommendation and granted an environmental group's motion for partial summary judgment in a lawsuit concerning particulate matter emissions violations at an oil refinery in Indiana. The group brought a citizen suit under the CAA, arguing that the refine...