Tracking Elusive Narwhals in the Arctic

Part 1: These creatures known as the "unicorns of the sea" are threatened by climate change.

08/21/2012

Transcript for Tracking Elusive Narwhals in the Arctic

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Tracking Elusive Narwhals in the Arctic

Part 1: These creatures known as the "unicorns of the sea" are threatened by climate change.

Close Call on the Arctic's Melting Sea Ice

Part 2: A desperate scramble over a massive crack in the sea ice creates a scary situation.

Climate Change Threatens Arctic Life

Part 3: Warming global temperatures are melting critical sea ice.

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