Today marks the second-ever World Reef Day, an observance created to help focus global attention on the deteriorating health of our planet"s vital reef systems, and also to help marshal efforts to help them recover. Why should we care about the health of ecosystems such as the Great Barrier Reef, seen in this photo? Because reefs are an easy indicator of how healthy our oceans are. And right now, reefs aren"t doing too well. What can we do? Learn about reefs—not just the dangers that put healthy reefs at risk, but why reefs are such a critical part of Earth"s greater ecosystems.
The largest living organism on Earth
Today in History
More Desktop Wallpapers:
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International Day of Forests
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The Millennium at 20
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Full moon
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Twosday
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Jöriseen lakes in the Silvretta Alps, Switzerland
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Capitol Reef National Park, Utah
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An Alpine fairy-tale castle
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Goðafoss waterfall, Iceland
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Antarctica Day
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A whale of a hug
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Arrone in Umbria, Italy
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Grand Teton National Park, Wyoming
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What happened to these clouds?
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Surströmming Day
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Stop and see the flowers
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What kind of bird laid these eggs?
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A prison fit for a count
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Indian Independence Day
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National Park Service anniversary
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A medieval Moorish gem
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Red squirrel in Cairngorms National Park, Scotland
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‘You should see the one that got away!’
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Look to the north sky tonight for the Perseids
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A house of grand scale(s)
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A stunning sight in Mexico s wilderness
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National Park Week begins
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Green is the new black
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A visionary artist paints his own garden view
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Happy birthday, Capitol Reef National Park
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Fighting evil with costumes