The Ninth Circuit upheld the dismissal of environmental groups' RCRA citizen suit against a railroad company seeking to enjoin the emission of particulate matter found in diesel exhaust from the company's railyards.

The Eighth Circuit upheld an EPA decision rejecting modifications to Arkansas' water quality standards as they pertain to discharges of dissolved minerals from a chemical manufacturing plant.

A district court upheld a dredge-and-fill permit the U.S. Army Corps of Engineers issued to a mining company allowing it to conduct surface coal mining activities at a proposed 725-acre site in Boone County, West Virginia.

A district court upheld FWS' designation of 1,544 acres of a privately owned tree farm in Louisiana as critical habitat essential for the conservation of the dusky gopher frog, an endangered species.

The Fifth Circuit held that DOI's ban on owning bald eagle feathers under the Bald and Golden Eagle Protection Act violates the Religious Freedom Restoration Act (RFRA).