Arctic Ice Hints at Warming, Specialists Say
By ANDREW C. REVKIN Leading ice specialists in Europe and the United States for the first time have agreed that a ring of navigable waters has opened all around the fringes of the cap of sea ice drifting on the warming Arctic Ocean. By many expert accounts, this is the first time the Northwest Passage over North America and the Northern Sea Route over Europe and Asia have been open simultaneously in at least half a century, if not longer.