They don"t have brains, bones or even hearts, yet jellyfish have pulsed through Earth"s oceans for half a billion years. Their habitats face growing threats from pollution, nutrient-rich runoff and ocean acidification—pressures that make marine conservation essential to restoring coral health and sustaining the species that depend on these waters.
Jellyfish swimming in the Pacific, Guerrero, Mexico
Today in History
More Desktop Wallpapers:
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Wind powered ice racing
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World Bee Day
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A life-sized snow globe
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A triumphant pose
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The victory of good over evil
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Bathing boxes at Brighton Beach, Australia
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Khao Sok National Park in Thailand
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A sky full of stars
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Nighttime view over the Gulf Coast
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A different kind of toucan
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Vatican City, Rome, Italy
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European river otter
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Jaswant Thada and Mehrangarh Fort, Jodhpur, Rajasthan
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Underwater underground
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Banff National Park, Alberta, Canada
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Gollinger Waterfalls, Salzburg, Austria
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Mehrangarh Fort in Jodhpur
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A bridge that holds up history
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Koala in the Great Otway National Park, Australia
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Glen Brittle, Isle of Skye, Scotland
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Mount Segla, Senja Island, Norway
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Impala in Moremi Game Reserve, Botswana
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Ancient til trees in Fanal Forest, Madeira, Portugal
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Trusty water-shifters
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So close, yet so far
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Sea Otter Awareness Week
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Happy New Year’s from down under
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Taughannock Falls State Park, New York
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Siblings Day
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Manarola, Cinque Terre National Park, Liguria, Italy
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