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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Rocky mountain pi
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Santa Claus Village in Rovaniemi, Lapland, Finland
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Christmas Eve
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Great horned owl fledglings
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Venture into a prehistoric gallery of art
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J.R.R. Tolkien Day
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Rethymno, Crete, Greece
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Honoring those who served
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Listening to the sea
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Uncommon clouds are gathering
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Computer Science Education Week
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Tree of many colors
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Ad-Deir, Petra, Jordan
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Flag Day
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Gulf Islands National Seashore, Florida
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World Honey Bee Day
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The moai you know
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Paradise, found
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Can you see the family resemblance?
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A bohemian feline
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Dashing through the snow
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Pasadena Chalk Festival supports local arts education
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Barracudas at Shark Reef, Ras Mohammed National Park, Sinai Peninsula, Egypt
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It s World Poetry Day
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Aprils full moon
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Welcome to the Alien Egg Hatchery
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Tassili n’Ajjer, Sahara, Algeria
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Modica, Sicily, Italy
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Miravet, Catalonia, Spain
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Tennis in the park