Huge Greenland iceberg starts to go to pieces

NBC: Off the coast of northwest Greenland, an enormous iceberg is beginning to go to pieces. The huge ice chunk, named PII-2012, was originally part of the Petermann Glacier, but broke away from the glacier in mid-July in a process called calving. By the end of July the Manhattan-size chunk of ice had nearly reached the mouth of a fjord that opens on the Nares Strait, a narrow stretch of ocean that separates Greenland from Canada. Science news from OneWorld via YouTube Science can......

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