July 03, 2013
The U.S. Environmental Protection Agency said Wednesday that it will make final determinations by the end of 2013 on a pair of state pollution control plans implementing federal air quality standards, resolving a Clean Air Act suit brought by the Sierra Club.
November 28, 2012
The Sierra Club accused the U.S. Environmental Protection Agency on Wednesday of failing to take final action on pollution control plans submitted by Connecticut and Wyoming governing those states' respective air quality standards.