"A vast reservoir of the potent greenhouse gas methane may be locked beneath the Antarctic ice sheet, a study suggests. Scientists say the gas could be released into the atmosphere if enough of the ice melts away, adding to global warming."
"Research indicates that ancient deposits of organic matter may have been converted to methane by microbes living in low-oxygen conditions.
The organic material dates back to a period 35m years ago when the Antarctic was much warmer than it is today and teeming with life."
The UK's Press Association had the story August 29, 2012.
Source: Guardian, 08/30/2012
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