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Walruses use sea ice as platforms on which to nurse their young and launch their dives.
Photo

Walrus Rests on Ice

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Looking through this iceberg's reflection in the Antarctic water, you can see the iceberg below the surface—some 90% of its total volume.
Overview

The Arctic and The Antarctic

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A small Adélie penguin hops on a piece of ice.
Photo

Adélie Penguin Jumping Out of the Water

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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 walrus sits on top of ice.
Article

The Cultural Icescapes of the Arctic

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A team of scientists explore the Arctic ocean.
Slideshow

Under Arctic Ice

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Two nurse sharks hover over a baited cage
Lesson Plan

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.
Article

Ice-Loving Seals and the Loss of Sea Ice

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Polar bears are threatened by a lack of sea ice.
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Climate Change at the Poles

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Human activity is increasing in the Arctic marine environment due to climate change. To help the most vulnerable areas, the Global Marine Program of IUCN, along with partners, is convening a series of workshops aimed at enhancing ecosystem-based management and identifying biologically or ecologically important or vulnerable habitats. Burgerbukta, a bay in Svalbard, Norway, is being managed for ecosystem protection.
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The Sant Ocean Hall: Life at the Poles Exhibit

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