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
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Is that a smile?
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Rock formations at Sedona, Arizona
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International Day of Mangrove Conservation
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A bite of ancient history
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Provence blooms with lavender at Sénanque Abbey
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Boxing Day
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World Rivers Day
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On the wings of the Wright brothers
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Lavender fields in Plateau de Valensole, France
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National Mushroom Day
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Ring of fire solar eclipse
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Spring equinox
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Mandarin duck, Richmond Park, London, England
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Grand Teton National Park, Wyoming
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Reindeer, Lapland, Finland
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Room at the top?
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Talk like a pirate—or walk the plank
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Happy Thanksgiving!
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All hail the king of shrubs
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Grand Canyon National Park anniversary
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Moselle River loop near Kröv, Germany
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Black-naped monarch
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International Archaeology Day
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Ring-tailed lemur
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Honoring the rangers on World Ranger Day
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Rosa Parks Day
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A prison fit for a count
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The party’s just starting
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The frog prince?
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Aerial view of the Colorado River Delta in Mexico
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