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This is scary stuff:
Scientists from the British Antarctic Survey and the Australian
National University drilled a 360-metre ice core near the northern tip
of the peninsula to to identify past temperatures.
The ice core
gave an extraordinary insight into the temperatures, revealing the
coolest conditions, and the lowest melt, occurred six centuries ago.
By comparison, it found temperatures now are 1.6 degrees Celsius higher, and the ice melt is 10 times as fast.
http://www.abc.net.au/news/2013-04-15/antarctic-melting-ten-times-faster-than-600-years-ago/4628404
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