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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Madame Sherri Forest, New Hampshire
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Opt outside today
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Hemingway’s Keys
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Halo around the sun
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Reflections on the mighty Amazon
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Kelp buddies
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On a Healing Field for Veterans Day
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Ready for takeoff
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Happy Fourth of July!
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Kangaroo family for National Hugging Day
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Not your average sandcastle
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A story of wind and ice
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Fight for your lefts
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It’s oh so quiet
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A garden of prickly delights
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Travel Sunday: San Francisco
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Manatees rebound
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Atop the roof of Africa
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Tassili n’Ajjer, Sahara, Algeria
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A national icon
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Looking down on the Otter
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Squirrel Appreciation Day
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Aerial view of Plaza Mayor, Madrid, Spain
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Sunlight sets Iceland s Eyjafjallajökull aglow
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Fighting evil with costumes
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Happy Thanksgiving!
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World Sea Turtle Day
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Harbor and longtail boats at Ko Samui, Thailand
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Deep in the North Woods wetlands
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Guild houses of Grand-Place, Brussels, Belgium
Bing Wallpaper Gallery

