Exposure to outdoor light at night could put people at a higher risk of developing Alzheimer’s disease (AD), according to a new study published in Frontiers in Neuroscience. "We show that, in the U.S.

EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

Artificial light pollution is a lesser-known factor contributing to the decline of pollinator species. Light pollution negatively impacts nocturnal pollinators like moths and bats, disrupting their ...

Light pollution is a growing issue. Over the past 25 years, artificial lighting has surged by 49% worldwide. For perspective, the brightness of the night sky has risen by almost 10% per year over the ...

Without a view of the stars at night, Don McLean would never have been able to write Vincent and Vincent van Gogh would not have painted Starry Night. Viewing a sky full of stars is part of what makes ...

On a crisp night last fall in the Arizona desert, I stood amid sand and scrub at the intersection of Valencia and Kolb on the outskirts of Tucson and beheld a gleaming gas station. To say that this ...

With the holiday season well-underway and the urban sprawl continuing to grow, experts are predicting an uptick in light pollution. Light pollution is when the night sky is brightened by human-made ...

We have been battling against urban light pollution, because let’s be honest, we all miss the stars that have been blocked out by the bright city lights. However, the answer comes in the form of ...