Cleanest air on record: Pandemic accelerates long-term move toward cleaner air in N.C.

When President Richard Nixon ‘s signature on the Clean Air Act of 1970 prompted North Carolina to create its Division of Air Quality, air quality was bad in Western North Carolina. “Back in the ‘80s or the ‘90s, once summer hit your mountains would disappear,” recalled Jim Renfro, longtime air quality specialist for the Great Smoky Mountains National Park. “You’re...

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