An island of ice more than four times the size of Manhattan is drifting across the Arctic Ocean after breaking off from a glacier in Greenland, potentially threatening shipping lanes and oil platforms. The iceberg is moving toward the Nares Strait, which separates the northwestern coast of Greenland and Ellesmere Island of Canada. If it makes it into the strait before the winter freeze, the iceberg will probably be carried south by ocean currents, hugging Canada’s eastern coast. (source: nytimes.com)
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