Sustainable Outdoor Lighting Principles - Night Skies (U.S. National Park Service)
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Where to Go Stargazing: These States Are Going All In on Astrotourism
Responsible Light at Night for Local Governments - DesignLights
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Cape Lookout National Seashore Certified as an International Dark Sky Park along North Carolina's Coastline
Sustainable Outdoor Lighting Principles - Night Skies (U.S. National Park Service)
Indicators and standards of quality for viewing the night sky in the national parks (U.S. National Park Service)
Preserving the nation's last dark skies
How an effort to reduce fossil fuel use led to another environmental problem: light pollution - Los Angeles Times
The Importance of Dark Skies
Responsible Light at Night for Local Governments - DesignLights
