It’s a summer night near a forest lake in Germany and something unnatural is going on. Beyond the dark waters lapping at the shores, a faint glow emanates from rings of light hovering above the surface. Nearby, bobbing red torchlights — the least-disruptive part of the visible spectrum — betray the presence of scientists on the shoreline. They are testing what happens when they rob the lake creatures of their night.

Click here to read the rest of the article: The dark side of light: how artificial lighting is harming the natural world