The world’s largest free-floating iceberg is causing alarm. The iceberg, known as A-68, broke off Antarctica two years ago and has been a floating liability ever since. A group of scientists is urgently prepping to head to the iceberg to further investigate. The World’s Marco Werman speaks to the chief scientist for the mission, Povl Abrahamsen, at the British Antarctic Survey, about the history and possible fate of this massive block of ice.
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