FILE - This Oct. 15, 2013, file photo shows the Supreme Court in Washington the day the court's justices said they would be reviewing whether or not the Environmental Protection Agency overstepped its authority in developing rules aimed at cutting emissions of six heat-trapping gases from factories and power plants. Monday, Feb. 24, 2014, the Court will hear arguments on the unanimous federal appeals court ruling that upheld the government's unprecedented regulations aimed at reducing the gases blamed for global warming. (AP Photo/Susan Walsh, File)