A district court granted states' motion for summary judgment in a lawsuit concerning EPA's duty to limit air pollution drifting from upwind states into northeastern states. Connecticut, Delaware, Massachusetts, New Jersey, and New York argued that EPA failed to fulfill a nondiscretionary duty under ...

The Fifth Circuit vacated and remanded a lower court decision that imposed penalties against an oil company for alleged CAA permit violations at its industrial complex in Baytown, Texas. Environmental groups filed a CAA citizen suit against the company, alleging violations that occurred thousands of...

A district court denied summary judgment for New York in a challenge to EPA's designation of the eastern Long Island Sound as an open-water dredge disposal site. New York argued EPA's determination that a new site was needed to service the eastern Sound was arbitrary and capricious, that the Agency ...