A California court issued a temporary restraining order preventing the state water board from enforcing "curtailment letters" it sent to four irrigation districts in the Central Valley. The letters ordered the districts and various farmers and businesses to stop diverting water from California's riv...

The Third Circuit upheld EPA's TMDL plan for the Chesapeake Bay against challenges from farmer and home building groups. The TMDL—the largest ever developed by EPA—identifies necessary pollution reductions of nitrogen, phosphorus, and sediment across Delaware, Maryland, New York, Pennsylvania, V...

A district court dismissed Pennsylvania's public nuisance, trespass, and Pennsylvania Unfair Trade Practice and Consumer Protection Law claims against various refiners, manufacturers, marketers, distributors, and suppliers of methyl tertiary butyl ether (MTBE), a gasoline additive. The case is part ...