A district court granted a group of youths' motion for leave to file a second amended complaint in a lawsuit alleging the U.S. government failed to act on climate change and violated their…

The D.C. Circuit dismissed industry groups' petitions to review EPA's decision not to reconsider its 2009 finding that greenhouse gas (GHG) emissions from motor vehicles contribute to…

The Eighth Circuit affirmed a district court ruling granting the state of Minnesota's motion to remand to state court a climate liability lawsuit alleging that fossil fuel producers…

The Hawaii Supreme Court affirmed the Public Utility Commission's (PUC's) decision denying an energy company's request to supply energy to Hawaii Island using a biomass power plant…

A district court remanded back to state court two climate liability suits brought against oil companies. A city and county in Maryland had sued the companies in state court, alleging they…

A district court granted in part and denied in part an oil company's motion to dismiss a CWA and RCRA citizen suit brought by an environmental group. The group alleged 14 counts against the…

The Third Circuit affirmed two district courts' orders remanding back to start court two climate liability suits bought against oil companies. Delaware and the city of Hoboken sued the…

The Ninth Circuit affirmed a district court order remanding to state court two climate liability suits against numerous oil and gas companies. The city and county of Honolulu and the county of…

The U.S. Supreme Court held, 6-3, that President Barack Obama's EPA had exceeded its statutory authority under §111(d) of the CAA when it promulgated the Clean Power Plan to address carbon…

In an emergency order, the U.S. Supreme Court denied several states' application to vacate the Fifth Circuit's stay of a district court ruling that had enjoined federal agencies from…