A district court denied conservation groups' motion to intervene in a lawsuit concerning EPA's and the Army Corps of Engineers' rule defining the scope of the CWA. The groups sought…

A district court denied a mining company's motion to dismiss an Indian tribe's challenge to a land exchange between the company and the Forest Service. The tribe argued that the land…

The Tenth Circuit dismissed a petition to review NRC's grant of a temporary license for spent nuclear fuel storage near the New Mexico border. New Mexico argued NRC violated NEPA and the…

The D.C. Circuit granted EPA's motion to dismiss an industry group's challenge to interim lifetime health advisories for two per- and polyfluoroalkyl substances in drinking water. The…

A district court granted the District of Columbia's motion to remand to state court a consumer protection lawsuit against energy companies. The District sued in state court, arguing the…

A district court on remand granted San Francisco's and Oakland's motion to remand to state court the cities' lawsuits alleging that six oil companies produce and promote products…

The Eighth Circuit affirmed a district court's dismissal of states' challenge to the Biden Administration's interim estimates on the social costs of greenhouse gas emissions. The…

The Fifth Circuit affirmed a district court's order remanding back to state court a lawsuit brought against oil companies concerning their operations during World War II. Louisiana parishes…

The D.C. Circuit vacated a district court's grant of summary judgment to EPA in a challenge to the Agency's approval of a permitting program for coal ash disposal facilities in Oklahoma…

The Iowa Supreme Court, 4-3, affirmed a summary judgment order dismissing a landowner's nuisance, trespass, and drainage claims against a neighboring confined animal feeding operation (CAFO…