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Visibility and Haze

EPA Sets Schedule to Improve Visibility in the Nation's Most Treasured Natural Areas

November 9, 2011 - EPA issued a schedule to act on more than 40 state pollution reduction plans that will improve visibility in national parks and wilderness areas and protect public health from the damaging effects of the pollutants that cause regional haze. EPA will accept public comment on this agreement for 30 days following publication of a notice in the Federal Register.

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