A district court granted in part and denied in part an outdoor recreation group's motion to preliminarily enjoin the National Park Service's (NPS') regulations governing commercial…

The Fifth Circuit affirmed dismissal of a constitutional challenge brought by a pipeline company concerning a 1949 permit a local levee board granted to the company to construct and maintain two…

The U.S. Supreme Court unanimously held that Texas property owners should be permitted to pursue claims under the Takings Clause through an inverse-condemnation cause of action available under…

The U.S. Supreme Court unanimously held that the Takings Clause does not distinguish between legislative and administrative land use permit conditions, in a lawsuit concerning a traffic impact fee…

The Fourth Circuit reversed a district court order abstaining from ruling on constitutional claims brought by mineral interest owners challenging amendments to West Virginia's oil and gas…

The Eighth Circuit reversed a district court ruling in a challenge to Iowa's "ag gag" law that criminalizes undercover investigations at agricultural production facilities.…

The U.S. Supreme Court, in a splintered 5-4 decision, affirmed dismissal of a constitutional challenge to a California law that forbids in-state sale of pork meat from breeding pigs that are…

The Fifth Circuit, 2-1, affirmed a district court ruling that denied the Sabine River Authority (SRA)-Louisiana's motion to dismiss a lawsuit concerning its release of water from a reservoir…

A district court dismissed a challenge to the Michigan Public Service Commission's 2017 and 2018 orders requiring electricity suppliers to buy energy from local sources. Industry groups…

The Sixth Circuit reversed a district court's denial of a preliminary injunction in a lawsuit concerning a Kentucky law that offsets the state's severance tax on coal. A coal producer…