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Polar bears are threatened by a lack of sea ice.
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Polar Bears on "Thin" Ice

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Phoenix swimming with her calf.
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A Right Whale Named Phoenix

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The currents of the North Pacific gyre collect trash—mostly bits of microscopic plastic—into what are known as "garbage patches."
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The Great Pacific Garbage Patch

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Colorful corals and brittlestars on Manning Seamount off the New England coast.
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Manning Seamount Deep Coral Communities

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A rendering of an underwater marine scene depicting life ~145-65 million years ago, when rudist clams were the major reef builders.
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Carbonate Reef (Cretaceous Period: 145 - 65 Million Years Ago)

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Illustration of a giant squid versus a merman.
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Mermen? Sea Monks? Or Giant Squid?

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These Smithsonian field stations enable scientists worldwide to conduct long-term studies on mangrove ecosystems.
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Location of Smithsonian Field Stations

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The Line Islands are one of the most remote places in the Pacific Ocean.
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Line Islands

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This may look like a mane of hair, but it’s actually baleen from a North Atlantic right whale.
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Baleen Close Up

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Map showing the range of the eastern and western populations of Atlantic bluefin tuna and their spawning grounds in the Gulf of Mexico and the Mediterranean Sea.
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Atlantic Bluefin Tuna Distribution Map

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Large container ships at port, discharging ballast water in the Port of Oakland
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Ballast Water in the Port of Oakland

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Boats docked in a Chesapeake Bay harbor
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Chesapeake Bay Harbor

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