Supreme Court Reinstates Cross-State Air Pollution Rule

The Supreme Court upheld EPA’s air pollution rule that regulates cross-border emissions of 28 upwind states to address downwind states’ compliance with air quality standards. On April 29, 2014, the U.S. Supreme Court reinstated the Environmental Protection Agency’s (EPA) Cross-State Air Pollution Rule (CSAPR), reversing an August 2012 decision by the U.S. Court of Appeals…