The American Medical Association (AMA) issued guidelines for communities to reduce harmful effects of LED streetlights. A medical researcher explains what can go wrong.
There are loads of things you can do to cut your energy bills - and many don't involve stumping up any cash up-front at all.
Eighty percent of North Americans can no longer see the Milky Way at night. But the problem with light pollution isn't just about stargazing.
New research shows that street lighting changes the activity of moths, and is likely to disrupt nocturnal pollination.
While the Paris climate talks focus on technical fixes, no one talks about how we're much more afraid of roughing it than ever before.