America's addiction to coalSt. Paul, Minn. August 16, 2011 1:44 p.m.Share storyTwitterFacebookListenA huge pile of coal at a West Virginia coal mine. The U.S. supply of coal is plentiful, and relatively cheap compared to other sources of energy.Photo by Jeff Swensen/Getty ImagesGalleryFullscreen SlidePrevious Slide1 of 1A huge pile of coal at a West Virginia coal mine. The U.S. supply of coal is plentiful, and relatively cheap compared to other sources of energy.Photo by Jeff Swensen/Getty ImagesNext SlideHeat wave could spur record electricity useEPA clamps down on pollution spoiling air downwindClimate change suit against Xcel, others, rejected by top courtRegulators weaken safety rules to accommodate nuclear power industry
