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There was an idea for a polar route railroad as the long dreamed of Northwest Passage. Thanks to global warming, the Northwest Passage is opening to shipping. Ice breakers are required for some of it but the whole passage is almost ice free. 1979 [img]http://www.culturechange.org/icecap1979.jpg[/img] 2003 [img]http://www.culturechange.org/icecap2003.jpg[/img]
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