| Summary: | There is about 10 per cent less sea ice in Antarctica this year than the previous record minimum - a stunning reversalafter new highs were set in 2014.The sea ice extent around the southern continent has shrunk to 2.1091 million square kilometres on Tuesday, Jan Lieser, asea ice scientist at the Hobart-based Antarctic Climate and Ecosystems Co-operative Research Centre, said.The area covered by sea ice has been tracking below the previous record low of 2.32 million square kilometres set inFebruary 2011 for most of the past three weeks, and is now about 10 per cent lower. (See chart compiled by JapanAerospace Exploration Agency for ice coverage.)
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