Communities in north-central Pennsylvania are taking action to limit outdoor artificial lighting that is encroaching on what has become a crucial resource in the region: darkness.
Satellite data show the Pennsylvania Wilds, a rural region comprising millions of acres of mountains and forestland that feature sterling views of the night sky, is slowly being contaminated by light. To protect that darkness and the commerce it brings, the region’s environmental groups and residents are pushing for municipal ordinances that regulate light, and educating local businesses about darkness preservation.
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