Extraordinary voyage: on the trail of the trillion-tonne runaway iceberg

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Amid fears of huge damage to marine ecosystems from the giant A68a berg, British researchers are setting sail to assess its impact

Polar researchers will this week embark on a remarkable expedition aimed at providing crucial information about the vast iceberg, A68a, that has been spiralling northwards from Antarctica for the last year. A group from the British Antarctic Survey will sail from the Falkland Islands on Tuesday and head towards the iceberg which has been floating in waters off the island of South Georgia for several weeks.

Once on site, they will direct robot submarines to probe the water underneath the vast frozen structure and study how freshwater, melting from the iceberg, is affecting life in the ocean.

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