And it's probably not in the way you think.
The light of urban development seen from space can tell us much about the shape of the world's economy.
Parts of the outback are lit up with so much flame they look like huge metropolises at night.
An expert explains why light pollution won't totally destroy 2012's final and most dazzling space show.
NASA has unveiled the most detailed nocturnal image of Earth to date, and it's a stunner.
This public art piece gives viewers a glimpse of the city's complete star map.
Documentary film looks at the impact of light pollution in cities.
Also, a Rhode Island community comes out against the "threat" of LED lighting and Bhutan outlaws cars from the road on Tuesdays.
A new film explores what we lose when light pollution cancels out the night sky.