The Ohio Supreme Court affirmed an appellate court ruling in a lawsuit concerning Volkswagen’s efforts to cheat U.S. diesel emissions tests. Ohio sued the company, arguing its post-sale tampering with emissions control systems violated the state’s Air Pollution Control Act (APCA). The company mo...

The Iowa Supreme Court reversed, 4-3, a lower court order denying Iowa's motion to dismiss a lawsuit brought by nonprofit groups seeking to reduce fertilizer and waste runoff from farms into the Racoon River. The groups sought to force the state, its agencies, and a number of its officials to enact ...

The Third Circuit affirmed dismissal of a lawsuit concerning reporting requirements for emissions following fires at a steel facility near Pittsburgh. An environmental group argued the facility operator should have reported the emissions to the federal government pursuant to CERCLA in addition to re...