The Ninth Circuit affirmed in part and reversed in part two district court rulings in lawsuits concerning policies governing oil and gas lease sales conducted by BLM on protected sage-grouse habitat. Environmental groups filed suit in Idaho and Montana, challenging certain sales conducted under guid...

The D.C. Circuit vacated the Pipeline and Hazardous Materials Safety Administration's (PHMSA's) 2020 rule authorizing the transportation of liquefied natural gas by rail in newly designed tank cars without a permit. Environmental groups, several states, and an Indian tribe petitioned for review, arg...

A district court granted in part environmental groups' motion for summary judgment in a CAA citizen suit concerning EPA's duty to update emissions standards for hazardous waste combustors. The groups sought declaratory judgment stating that EPA failed to comply with its obligations and injunctive re...