Melting ice prompts navigation warning

The U.S.-based International Ice Charting Working Group predicted significant navigation hazards will develop as Arctic sea ice diminishes.

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<p><a href="http://www.physorg.com/news112900819.html">Melting ice prompts navigation warning</a></p> <p>The U.S.-based International Ice Charting Working Group predicted significant navigation hazards will develop as Arctic sea ice diminishes. </p>