When the lights go down, the universe puts on a show. International Dark Sky Week, celebrated each April, invites everyone to rediscover the night and learn why darkness is worth protecting. Launched in 2003, the week highlights how excessive artificial light affects wildlife, human health, energy use and our ability to see the stars. Fewer lights don"t mean less safety—smart, well-designed lighting can do both.
International Dark Sky Week
Today in History
More Desktop Wallpapers:
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Antarctica Day
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Purple crocus flowers, Seven Rila Lakes, Bulgaria
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Moon Day
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Rides above the tide
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Winnie the Pooh Day
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This ‘snow’ never melts
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A world within a world
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Vernazza, Cinque Terre, Liguria, Italy
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Mesquite Flat Sand Dunes in Death Valley National Park, United States
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Celebrating the tropics
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Spanning the soft sunlight
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Fit for a king
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Knuthöjdsmossen nature reserve, Sweden
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Colourful bathing huts on the beach in Skåne County, Sweden
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Finding maths in nature
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Saint Patricks Day
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National Panda Day
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World Rivers Day
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International Nurses Day
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Vermilion Cliffs National Monument, Arizona, USA
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World Oceans Day
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Rio Negro
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Via Krupp, Capri, Italy
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World Meteorological Day
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Northern gannets, Shetland Islands, Scotland
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The sun sets on British Summer Time
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Patchwork of peace
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Kirkilai lakes, Biržai Regional Park, Lithuania
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Ring of fire solar eclipse
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Burning the Clocks
Bing Wallpaper Gallery

