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Covid-19 give scientists chance to study changes in air quality over Great Smoky Mountains NP

GATLINBURG, Tenn. — From Los Angeles to New Delhi, skies have cleared in densely populated urban areas as people reduce travel and emissions during the COVID-19 pandemic.   But what impact has the lack of traffic had in wilderness areas, such as the Great Smoky Mountains National Park (GSMNP)? 

The tragic circumstances of the pandemic have created a rare research opportunity for scientists, including National Park Service air quality specialist Jim Renfro.

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