Night lights have a dark side

Artificial light at night not only affects our view of the night sky, but also has the ability to impair animal behaviors — and probably our health.

Lights Night Background: Over 2,052,118 Royalty-Free Licensable Stock Illustrations & Drawings

The dark side of Friday Night Lights – The Howler

Light Pollution Is Destroying the Environment - The Atlantic

Can you see man-made lights on the dark side of the Earth from the surface of the moon with the naked eye? - Astronomy Stack Exchange

The Dark side of Illuminated World, by Aamir khan

Nighttime lights: The not-so-dark side of the Earth - Geoawesomeness

JOIN THE DARK SIDE STAR WARS 3D NIGHT LIGHT – Eyes Of The World

Night lights have a dark side

Night lights have a dark side