Most visitors expect clean air and clear views in parks. However, Mammoth Cave National Park (NP), Kentucky, home to the world’s longest recorded cave system and scenic river valleys, experiences relatively poor air quality. The park is downwind of many sources of air pollution, including power plants, urban areas, and industry in Kentucky and Tennessee. Pollutants emitted from these sources can harm the park’s natural and scenic resources such as upland surface waters, plants, fish, bats, and visibility. The National Park Service works to address air pollution effects at Mammoth Cave NP, and in parks across the U.S., through science, policy and planning, and by doing our part.
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