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Light Pollution
Luminous patches glow on a map of nightime Oceania created from Satellite as of 1996-97. With more and more people on Earth, the glow gets brighter and brighter.
Based on calculations, two-thirds of humanity lives under skies polluted with light, and one-fifth can no longer see the Milky Way. Least affected? The Central African Republic.
Below is a map of Australia showing satelitte monitoring of artificial light at night.
To view maps of the rest of the world at night click here to visit 'The Night Sky in the World'.
