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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International Jazz Day
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Mute swan
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Why you should thank a nurse today
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Punakaiki on South Island, New Zealand
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Is this Minecraft headquarters?
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World Bicycle Day
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Darwin Day
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Keep shining
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A night of art and culture
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National Moth Week
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Alpine marmots at Hohe Tauern National Park, Austria
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A cutting-edge art gallery opens in Paris
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The Christmas Bird Count begins
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A field of English lavender
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Poppies in bloom
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Tokyo welcomes a futuristic new art museum
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International Women s Day
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Ingenuity in action on the Santa Monica Pier
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Petroglyphs near Fruita in Capitol Reef National Park, Utah
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Frozen beauty
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The moth wonderful time of the year
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World Lion Day
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Hallstatt, Austria
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Full moon
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San Francisco Bay salt flats
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Take a hike near Lovers Lane
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Corjuem Fort in Goa, India
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Burns Night in Scotland
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Nazar amulets, Goreme National Park, Cappadocia, Turkey
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Mosque-Cathedral of Córdoba, Andalusia, Spain
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