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Two nurse sharks hover over a baited cage
Lesson Plan

Where Have All the Glaciers Gone?

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Two nurse sharks hover over a baited cage
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Realms of the Arctic Ocean: pelagic, benthic and sea ice

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Two nurse sharks hover over a baited cage
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Biomes: Wild Arctic

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In 2011, storms and lack of ice-cover due to a warmer winter climate resulted in hundreds of seal pups being washed up on the shore of Prince Edward Island. Like many, this young seal faced an uncertain future. See more Nature's Best Photos.
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Ice-Loving Seals and the Loss of Sea Ice

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A species of sea cucumber from the Arctic discovered by Census of Marine Life researchers.
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Arctic Sea Cucumber

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Marine biologist Gerald Kooyman of the Scripps Institution of Oceanography has documented climate-induced changes to emperor penguin habitats and impacts on how the penguins feed, breed, and raise their young.
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Emperor Penguins

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The Greenland glacier Jakobshavn Isbrae is massive, at around 40 miles long and more than a mile thick.
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Up Close and Personal With the Fastest Glacier in the World

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The Greenland glacier Jakobshavn Isbrae is massive, at around 40 miles long and more than a mile thick.
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Jakobshavn Glacier

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A narwhal breaches the surface, its tusk pointed to the sky
Article

Why a Tusk? The real-life unicorns of the sea and the tusks that make them famous

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A narwhal breaches the surface, its tusk pointed to the sky
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Tusks of Mystery

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Two nurse sharks hover over a baited cage
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Expedition to the Poles

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Two nurse sharks hover over a baited cage
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Frozen Out

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