Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our ...

When a 1994 earthquake knocked out power across Los Angeles, thousands of anxious residents called local emergency services to report a strange, silvery cloud stretching across the darkened sky. What ...

Bart Doudna of Cedar Rapids holds up his sons Cameron Doudna, 5, and Quinn Doudna, 2, while posing for a portrait with a large lighted diamond ring during the Five Seasons Lights at McGrath ...

October evenings find birds across North America reading the night sky as they migrate to their wintering grounds, making the hazards of outdoor illumination a timely topic. Fittingly, the ...

New research indicates that Artificial Light At Night (ALAN) increases ecosystem respiration, leading to a greater release of carbon from plants, microbes, and animals. This heightened carbon release ...

New research has revealed for the first time the full extent of how "Artificial Light At Night" (ALAN) is increasing carbon released by plants and animals across continents—without any increase in the ...

States with an overexposure to artificial light pollution—particularly at night—are linked to an increased risk of Alzheimer's disease, according to a new study by scientists at Rush University ...

Massachusetts’ light pollution is posing a problem for the over 3,000 moth species that can be found throughout the state, ...

Q. I have heard that light pollution causes migrating birds to become disoriented. Will the fairy lights (small solar lamps) that people put out alongside sidewalks affect any animals? A. The simple ...

David Schechter is a national environmental correspondent and the host of "On the Dot with David Schechter," a guided journey to explore how we're changing the earth and earth is changing us. Aparna ...

It was the light-mare before Christmas. A UK family has labeled their landlords “scrooges” for ordering them to switch off their Christmas decorations at night over “light pollution” concerns. “We ...