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stabilize greenhouse gasses

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22-12-2015 23:48
Tai Hai Chen
jdm wrote:
A more recent study using more advanced techniques indicates CO2 levels were much higher in the past. However this is nothing new -- it is consistent with the long-held view.

At the peak of the Pliocene some 4 million years ago, CO2 reached 415 ppm because of very high temperature. Next year CO2 level 404 ppm.
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