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Large Methane Release Could Cause Abrupt Climate Change, as Happened 635 Million Years Ago

May 28, 2008

illustration of the snowball earth An abrupt release of methane about 635 million years ago from ice sheets caused a dramatic shift in climate, triggering a series of events that effectively ended the last "snowball" ice age, a study led by Martin Kennedy of the University of California, Riverside, reports. According to the study, methane clathrate destabilization acted as a runaway feedback to increased warming, and was the tipping point that ended the last snowball Earth. Full Story

University of California - Riverside

See also: NSF News Release

The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2016, its budget is $7.5 billion. NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and other institutions. Each year, NSF receives more than 48,000 competitive proposals for funding and makes about 12,000 new funding awards. NSF also awards about $626 million in professional and service contracts yearly.

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