Antarc­tica on thin ice

Down to Earth - - SCIENCE - THE THICK­NESS

of Antarc­tica's float­ing ice shelves has de­creased by as much as 18 per cent in cer­tain ar­eas in the past two decades. Data col­lected by satel­lite radar al­time­try mis­sions of the Euro­pean Space Agency dur­ing 1994-2012 shows that the ice vol­ume decline is ac­cel­er­at­ing. At the cur­rent rates, the ice shelves in west­ern parts of Antarc­tica could lose half their vol­ume in 200 years. Science, March 26

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