I was looking for info about the large methane leaks from the arctic and ran across this...
Quote:
Huge iceberg breaks off Antarctica
They say the 2,500 square kilometre iceberg, floating south of Australia, could block an area that produces a quarter of the world's dense and very cold seawater, known as bottom water.
This water drives ocean currents, and scientists say weather patterns could be affected in decades to come.
Dr Neal Young is a glaciologist at the Antarctic Climate and Ecosystems Co-operative Research Centre in Tasmania.
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