Related Links: U.S. Court of Appeals for D.C. Circuit Aug. 21 ruling In a long-awaited decision, a divided three-judge panel of the U.S. Court of Appeals for the D.C. Circuit has struck down an Environmental Protection Agency rule that aimed to cut powerplants' emissions or air pollutants that move across state lines. The cross-state air pollution regulation (CSAPR) would have required 28 states in the East, Midwest and South to reduce emissions of sulfur dioxide and nitrogen oxide that cross state lines and cause air-quality problems in downwind states. EPA finalized the rule in July 2011, but the court blocked
The 2016 Summer Olympics boating and swimming events have put an international spotlight on what has been a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up major bays and waterways.