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Antarctic ice formed at CO2 levels much higher than today's
Not going to melt any time soon, says boffin
New research has shown that the mighty ice sheet covering the Antarctic froze into being when the world had a much higher level of carbon dioxide in its atmosphere than it does today.By analysing ancient algae found in deep-sea core samples, Professor Matthew Huber and his colleagues determined that the mile-thick ice which now covers the south polar continent formed around 34 million years ago. At that stage the atmosphere held much more CO2 than it does now, some 600 parts per million (ppm) as opposed to today's level of 390 ppm.
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So, almost twice the CO2 we have now won't melt to polar ice cap. Algore must be sick at the news.
So....I'm not going to be water skiing in the Northwest Passage again this year?
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