BY MIRIAM WASSER
Environmentalists are celebrating an order from a federal court that the state of Arizona must comply with the Environmental Protection Agency’s pollution-reduction plan for coal-fired power plants in the state.
At the center of the case is the cloud of haze that often hangs over the Grand Canyon and other federally protected areas and causes visibility problems. The EPA says the cloud is largely man-made. As such, the air pollution violates the Clean Air Act's regional haze provision...