Innovation in small-scale solar systems and mobile money systems is giving people in sub-Saharan Africa access to electricity at a lower cost than diesel or kerosene.
That flicker in the corner of your eye isn't your imagination.
Urban greening programs need to consider the harmful impacts of artificial lighting on ecosystems. Fortunately, we can do a lot to create more biosensitive lighting.
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.