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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Red lechwe, Okavango Delta, Botswana
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It s Asian Pacific American Heritage Month
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So, how long till springtime?
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Brooklyn Bridge Park in Brooklyn, New York
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Black grouses lekking
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El Valle de la Luna, Chile
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An oceanic valentine
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International Day for Biological Diversity
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Celebrating Norwegian Constitution Day
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Museum Mile Festival
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National Moon Day
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Get on your bike and ride
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Bản Giốc–Detian Falls, Vietnam
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An aviation celebration
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Art abounds at the Palais Garnier
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Take the plunge into 2021
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Porthcawl Lighthouse, Wales, UK
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On the rebirth of the Olympic Games
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Castle Stalker, Argyll, Scotland
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Don’t get lost in there
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An Alpine fairy-tale castle
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A viewer with a view
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National Pumpkin Day
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A willowy welcome to spring
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Lake Tekapo, New Zealand
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Great wildebeest migration at Mara River, Kenya
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Happy St. Patrick’s Day!
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International Sloth Day
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SantaPark, Lapland, Finland
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Great Fountain Geyser, Yellowstone National Park, Wyoming
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