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Arctic Changes: Lemire and Crew Explore the Artic (4:21)
In parts of the Arctic, the sea ice is melting. Biologist Jean Lemire and his staff launch a 5-month expedition to explore the Arctic and this phenomenon on a ship called the Sedna.
Arctic Changes: The Sedna's First Battle with Ice (6:09)
The first battle the crew must face is the ice concentration off the Labrador Coast of the Canadian Arctic. They must rely on all of their technology to navigate the passage.
Arctic Changes: The Importance of the Greenland Ice Cap (2:42)
If the Greenland ice cap begins to melt it will have an effect on the Gulf Stream and the level of water in the North Atlantic.
Arctic Changes: Polar Bears and Walruses in Hudson Bay (6:53)
Polar Bears and walruses must adapt to the diminished ice cover in order to survive.
Arctic Changes: The Sedna Faces Ice at Baffin Island (8:48)
At Baffin Island, the expedition will again face ice. Isabella Bay gives the biologists much to observe.

