Study Analyzes Changes in Ice Cap Satellite and submarine data show that the ice cap over the North Pole has shrunk in the last 25 years. Measurements also suggest that the cap has been getting thinner, as well. A new study links the changes to an extended summer-melting season. NPR's Richard Harris reports.
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Study Analyzes Changes in Ice Cap

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Study Analyzes Changes in Ice Cap

Study Analyzes Changes in Ice Cap

Study Analyzes Changes in Ice Cap

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  • <iframe src="https://www.npr.org/player/embed/1490885/1490886" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Satellite and submarine data show that the ice cap over the North Pole has shrunk in the last 25 years. Measurements also suggest that the cap has been getting thinner, as well. A new study links the changes to an extended summer-melting season. NPR's Richard Harris reports.