Light pollution is a man-made problem caused by the excessive use of artificial lights, especially at night. These lights can disrupt natural sleep cycles, waste energy, and even mislead migratory ...

Peggy Singlemann visits astronomer Kelsey Johnson at UVA’s Morven Sustainability Lab to learn how light pollution impacts plants and wildlife. Featured on VHG episode 2507, September 2025. Virginia ...

City birds are working overtime because of light pollution, according to a new study. Researchers found that birdsong continues throughout a longer portion of the day in areas with more artificial ...

Light pollution influences what we see when we look up and affects how much of the universe we can access. Step outside in central Johannesburg, and you may count only a handful of stars. Drive into ...

We’ve all had the experience of hanging out at home—reading, watching TV, scrolling through social media—and then glancing out the window, surprised to find that it’s gotten pitch-black outside. Or ...

I moved first to Asheville, and then to Flag Pond, Tennessee, a decade ago to be in an area with a large percentage of protected and roadless lands. Where I live, near Rocky Fork State Park, I can see ...

WHAT IS DARK SKY INTERNATIONAL? An Arizona-based organization, Dark Sky International has been making headway in the field of light pollution. In their own words: “Thanks to more than 193,000 ...

KENDALL COUNTY, TEXAS – WHAT IS DARK SKY INTERNATIONAL? An Arizona-based organization, Dark Sky International has been making headway in the field of light pollution. In their own words: “Thanks to ...