FILE - This July 1, 2013 file photo shows smoke rises from the Colstrip Steam Electric Station, a coal burning power plant in in Colstrip, Mont. The Supreme Court on Tuesday handed the Obama administration an important victory in its effort to reduce power plant pollution that contributes to unhealthy air in neighboring states. In a 6-2 decision, the court upheld a rule adopted by the Environmental Protection Agency in 2011 to limit emissions from plants in more than two-dozen Midwestern and Southern states. The pollution drifts into the air above states along the East Coast, and the EPA has long struggled to devise a way to control it. (AP Photo/Matthew Brown, File)
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