Scientists Watch Antarctica, Arctic Sea-Ice Levels

NPR | Oct. 08, 2012 1:35 a.m. | Updated: Oct. 08, 2012 9:30 a.m.

Contributed By:

Richard Harris

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The ice covering the Arctic Ocean was at a record low, in keeping with a sharp warming trend in the far north. At the same time, the amount of the ocean around Antarctica covered by sea ice hit a record high. It's winter in Antarctica when it's summer in the Arctic. But why in a warming world is that wintertime ice growing?