http://news.yahoo.com/s/livescience/20080627/sc_livescience/northpolecouldbeicefreethissummer
Arctic sea ice could break apart completely at the North Pole this year, allowing ships to sail over the normally frozen top of the world.
The potential landmark thaw - the first time in human history the pole would be ice-free - is a stark sign of global warming, according to an article Friday on the web site of the The Independent, a London newspaper.
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