A district court dismissed environmental and animal rights groups' lawsuit against EPA for failing to respond to a 2009 petition for rulemaking that asked the Agency to regulate concentrated animal feeding operations (CAFOs) as a source of air pollution under the CAA.

The Pennsylvania Supreme Court struck down as unconstitutional portions of a 2012 law governing oil and gas operations in the Marcellus Shale.

A district court held that EPA's Office of Inspector General (OIG) need not turn over under FOIA certain documents concerning a potential violation of federal “revolving-door” prohibitions by a former member of the U.S. Chemical Safety and Hazard Investigation Board.

The Ninth Circuit held that NMFS violated the Magnuson-Stevens Fishery Conservation and Management Act when it excluded an historic net-fishing area of Cook Inlet from the salmon fishery management plan (FMP).

A district court issued a preliminary injunction enjoining FWS from conducting or authorizing the take of wild red wolves on private land without first demonstrating that the wolf at issue is a threat to humans, pets, or livestock.