The Ninth Circuit dismissed an environmental group's appeal of a preliminary injunction that barred it from interfering with oil exploration activities in the Chukchi Sea. The group challenged the injunction on several jurisdictional bases, as well as on the merits. But the injunction has expired an...

The D.C. Circuit dismissed environmental groups' lawsuit seeking to vacate an EPA rule that implements the CAA's new source review (NSR) permitting scheme in nonattainment areas. The groups filed suit after EPA issued an energy company a PSD permit to build a waste incinerator in Arecibo, Puerto Ric...