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What is light pollution? What problems does it cause and how do you combat it? This infographic answers all these questions for you.

What is light pollution? What problems does it cause and how do you combat it? This infographic answers all these questions for you.

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INFOGRAPHIC: Man-Made Lights Are Destroying The Earth - Light pollution
from Business Insider

INFOGRAPHIC: Man-Made Lights Are Destroying The Earth

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9 Amazing Night Sky of 9 Darkened Cities by thierrycohen via 9gag #Night_Sky #Light_Pollution
from 9GAG

9 Amazing Night Sky of 9 Darkened Cities

9 Amazing Night Sky of 9 Darkened Cities by thierrycohen via 9gag #Night_Sky #Light_Pollution

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from Telegraph.co.uk

Satellite images of Earth show roads, air traffic, cities at night and internet cables

Human technology presence over North America at night. Global map showing major road and rail networks over land, along with transmission line and underwater cable data superimposed over satellite images of cities illuminated at night.

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from My Modern Met

NASA Releases Stunning New Images of the Earth at Night

The Earth At Night - photos by NASA. See the video here http://www.youtube.com/watch?feature=player_embedded=Q3YYwIsMHzw#!

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IRAN / Can you find Persian Gulf and Caspian sea and IRAN in these views?? /Earth at Night
from 9GAG

Earth at Night

IRAN / Can you find Persian Gulf and Caspian sea and IRAN in these views?? /Earth at Night

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