The D.C. Circuit, 2-1, granted in part and denied in part petitions to review EPA's SIP call for 35 states and the District of Columbia. A group of about half these states as well as companies subject to those SIPs sued, arguing EPA misinterpreted its authority under the CAA when it called for SIPs ...

The Fourth Circuit reversed a district court order abstaining from ruling on constitutional claims brought by mineral interest owners challenging amendments to West Virginia's oil and gas conservation law. Plaintiffs argued the amendments, which for the first time authorized "unitization of interest...