The Ninth Circuit upheld the National Marine Fisheries Service's (NMFS') designation of critical habitat for the southern distinct population of green sturgeon, a threatened species. The rule designated approximately 11,421 square miles of marine habitat, 897 square miles of estuary habitat, and hun...

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...

The Ninth Circuit granted in part and denied in part a petition challenging an NPDES permit authorizing oil and gas exploration facilities' discharge of 13 waste streams into the Beaufort Sea. The petition was filed by the Alaska Eskimo Whaling Commission, which represents Alaska Native villages tha...