A district court enjoined the U.S. Army Corps of Engineers from continuing with its Industrial Canal Lock Replacement Project in New Orleans until it complies with NEPA and the CWA. The canal is a manmade waterway that provides access from Lake Pontchartrain and the Gulf Intercoastal Waterway to...

The Seventh Circuit denied various states' motion to issue a preliminary injunction compelling the U.S. Army Corps of Engineers to prevent the emigration of invasive silver and bighead carp through the Chicago Area Waterway System into Lake Michigan. The states presented sufficient evidence to d...

The Ninth Circuit remanded the FAA's decision not to prepare an EIS in conjunction with its approval of an airport runway construction project. Relying chiefly on two cases involving airport improvements—neither of which involved a new runway—the FAA argued that an EA need not account for the gr...