UVA Professor Pleads for Dark Skies

Kelsey Johnson

UVA Professor Kelsey Johnson is crusading against light pollution — hoping to preserve dark skies for star gazing. (Credit: Sandy Hausman)

Climate change has fed awareness of air pollution – the problems caused by greenhouse gases. But there’s another source of pollution that’s taking a toll on humans and wildlife.

As Sandy Hausman reports, a professor at the University of Virginia is calling on local, state and national leaders to act against light pollution.

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