The Ninth Circuit held that Native American tribes lacked standing to enforce a consent decree entered into by a mining company and the federal government for Resource Conservation and Recovery…

The Fifth Circuit upheld a lower court order giving an aluminum company more time to build a power plant than originally agreed to in a consent decree that resolved alleged Clean Air Act…

The D.C. Circuit vacated a lower court judgment enjoining the U.S. Department of the Interior (DOI) from authorizing the Wisconsin Department of Natural Resources to lethally take gray wolves for…

The Fifth Circuit dismissed as moot an environmental group's Clean Water Act (CWA) citizen suit against a city for violating its separate storm sewer system permit. The lower court dismissed…

The First Circuit affirmed a lower court order permanently enjoining several members and officials of the Puerto Rico Environmental Quality Board from imposing a $76 million fine on an oil company…

The D.C. Circuit held that a lower court improperly dismissed individuals' National Environmental Policy Act and National Historic Preservation Act claims against the Secretary of the Army…

The D.C. Circuit held that a consumer group lacks standing to challenge a National Highway Traffic Safety Administration (NHTSA) safety standard requiring a warning system for underinflated tires…

The Ninth Circuit dismissed individuals' appeal from a judgment for defendants in a case claiming that they violated the National Environmental Policy Act and the California Environmental…

The U.S. Supreme Court held that the statute of limitations governing the U.S. Court of Federal Claims requires sua sponte consideration of the timeliness of a lawsuit filed in that court, despite…

The Eighth Circuit affirmed a lower court's decision to abstain from an action seeking a declaration of the rights and obligations of various insurance companies and an oil company with…