(October 2012; 26 pages). R. Morgan Gilhuly and Christopher D. Jensen of Barg Coffin Lewis & Trapp LLP contend that a June 2012 ruling by the U.S. Court of Appeals for the District of Columbia Circuit upholding the Environmental Protection Agency's rules to limit greenhouse gas emissions all but ensures GHG rules are here to stay. In addition, a BNA reporter provides perspective on the court decision and information on other developments related to EPA's GHG program.