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Posted Tue May 25 2010: from Sydney Morning Herald:
Mammoth gas emissions helped keep planet warm, scientists say
Gassy mammoths helped fill the atmosphere with methane and keep the Earth warm more than 13,000 years ago, scientists say. Together with other large plant-eating mammals that are now extinct, they released about 9.6 million tonnes of the gas each year, experts estimated. When the megafauna disappeared there was a dramatic fall in atmospheric methane, which may have altered the climate. Analysis of gases trapped in ice cores suggests the loss of animal emissions accounted for a large amount of the decline.
[Read more stories about: global warming, methane release]
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'Doc Jim says:
And now we have mammoth humans doing the same.

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