“Astronauts aboard the International Space Station are snapping photos of Earth to measure light pollution, and they’ve found something surprising: Light-emitting diodes (LEDs) — which are touted for their energy-saving properties — are actually making light pollution worse. And the change is so intense that ISS crew members can see it from space.”

Read more: http://www.techinsider.io/astronaut-photos-light-polution-led-nasa-esa-2015-8