The U.S. Supreme Court held that Oklahoma statutes that favor in-state water appropriation permit applicants over out-of-state permit applicants do not violate the Commerce Clause and are not preempted by the Red River Water Compact—an interstate water compact that allocates water among Texas, Okl...

The Seventh Circuit upheld a FERC order allowing a regional electricity transmission system to apportion costs for new power lines necessary to bring power generated from wind farms in the Great Plains to urban centers among all the utilities drawing electricity from the grid. The costs would be all...

A district court denied a motion to reconsider its earlier dismissal of a lawsuit seeking declaratory and injunctive relief based on the federal government's alleged failure to reduce greenhouse gas emissions. Plaintiffs—five teenage citizens and two environmental groups—argued that each of the ...

The Fifth Circuit affirmed a lower court decision that the doctrine of res judicata bars individuals' trespass, nuisance, and negligence claims against numerous oil, coal, electric, and chemical companies for damages stemming from Hurricane Katrina. The individuals asserted that the companies' activ...

An Iowa appellate court affirmed the dismissal of a minor's petition asking the Iowa Department of Natural Resources to adopt new rules regarding the emission of greenhouse gases in the state. She first argued that the state agency acted unreasonably in denying the proposed rule because Iowa's Inali...

The Federal Circuit affirmed a lower court decision dismissing an individual's regulatory takings claim against the Bureau of Indian Affairs (BIA) for refusing to replace a bridge he used to access portions of land he leased from the Colorado River Indian Tribes. The individual did not claim that th...