An abrupt release of methane, a powerful greenhouse gas, about 635 million years ago from ice sheets that then extended to Earth's low latitudes caused a dramatic shift in climate, triggering a series of events that resulted in global warming and effectively ended the last "snowball" ice age, a UC Riverside-led study reports.
http://www.sciencedaily.com/releases/2008/05/080528140255.htm
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Large Methane Release Could Cause Abrupt Climate Change As Happened 635 Million Years Ago
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January 06, 2010 01:02AM |
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