Alaska's Fragile Frozen Tundra

Barrow, Alaska, perched on Artic Ocean, is threatened by climate change.

Life in Bone-Chilling Barrow

Photo: Barrow, Alaska.
Focus Earth
Focus Earth: Barrow, Alaska.
Pic: Barrow, Alaska.
Photo: Barrow, Alaska.
Photo: ABC News in Alaska.
Photo: Polar bear in Alaska.
Photo: Polar bear in Alaska.
Photo: Barrow, Alaska.
Looking back from the open tundra down the only road out of Barrow, Alaska. From here on it is just open tundra navigated by only 4-wheel drive vehicles or snow machines. (Kevin Chupka/ABC )
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