The D.C. Circuit upheld amendments EPA made to its CAA regional consistency regulations that allow regional offices to act counter to national policies when ordered to do so by federal circuit…

A district court held that EPA, in connection with its enforcement and implementation of the CAA, failed to adequately evaluate potential job losses, particularly with respect to the coal industry…

The Fourth Circuit granted EPA's petition for a writ of mandamus to preclude an energy company from deposing EPA Administrator Gina McCarthy in a lawsuit seeking to compel EPA to evaluate the…

The U.S. Supreme Court reversed and remanded EPA's rule limiting hazardous air pollutant emissions from power plants, holding that the Agency interpreted CAA §112(n)(1)(A) unreasonably when…

The D.C. Circuit upheld EPA’s decision denying environmental groups’ request to add coal mines to the regulated list of stationary source categories under the CAA. In denying the groups’…