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How EPA’s Haze Rule Can Help Keep Our Air Clear

This blog was written by Mary Anne Hitt, Director of Sierra Club's Beyond Coal Campaign. The original blog was published on May 20, 2016 and appeared here, on Huffington Post's Green blog. …

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Oh Say Can You See? Air Pollution and the Smoky Mountains

Back in 1990, average visibility in the Smoky Mountains was just 25 miles. Since then, reductions in air pollution have made it possible for visitors to see as far as 46 miles.…