A district court dismissed as moot a lawsuit seeking to reinstate a permit for the Keystone XL oil pipeline to cross the U.S.-Canada border. Twenty-three states challenged the president's authority to revoke the permit, arguing the permitting decision concerned only international and interstate comm...

The First Circuit affirmed the Massachusetts Department of Environmental Protection's (MDEP's) decision to issue an air permit for a natural gas compressor station in Weymouth, Massachusetts. Neighboring cities and individuals argued MDEP failed to follow its own established procedures by eliminatin...