Arctic sea ice vanishes a little more each year

January 22, 2015 9:29 AM

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Arctic sea ice vanishes a little more each year

TUCSON, AZ (Tucson News Now) - We all know that global warming has its impacts on the globe. Global warming probably has a higher impact to the poles of the Earth than any other place on the planet, especially the north pole. While the north pole is not covered by a landmass, it is covered by sea ice and is home to some of the most threatened species on the planet.

March of each year the Arctic sea ice reaches its maximum extent. While in September it retreats to its furthest point. The ice the does survive each summer's retreat, tends to build back thicker each winter, giving it a higher chance of surviving the next's summer's warmth. Now the colder the wint...

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