eldavojohn writes "The CBC reports on new research that shows thousand-year-old ice shelves (much different than sea ice) are breaking up and have been reduced by half in a region of Canada over the last six years. 'This summer alone saw the Serson ice shelf almost completely disappear and the Ward Hunt shelf split in half. The ice loss equals about three billion tonnes, or about 500 times the mass of the Great Pyramid of Giza.' More detailed pictures can be seen at The Conversation, with a quote from Professor Steven Sherwood, Co-Director of the University of NSW's Climate Change Research Centre: 'The real significance of this, in my view, is that this ice has reportedly been there for thousands of years. The same is true of glaciers that have recently disappeared in the Andes. These observations should dispel in one fell swoop any notion that recent global warming could be natural.'"
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