U.S. Draws Map

Rising temperatures thinned the ice pack to a record low this month. If current trends continue, the Arctic could become ice-free in summer months by 2040, polar researchers say. Indeed, the Healy is finding easy passage this week through the Arctic Ocean's archipelagos of ice. "We have had a remarkable amount of open water -- good for mapping, sad for the Arctic," said expedition chief scientist Larry Mayer, reached aboard the Healy, the head of the University of New Hampshire's Center for Coastal and Ocean Mapping... Full article: http://online.wsj.com/public/article/SB118848493718613526-CXPsMw2jeBCFZEGnVkViSYqvvaA_20070929.html?mod=tff_main_tff_top [Proofreader’s note: this article was edited for spelling and typos on September 4, 2007]

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