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stabilize greenhouse gasses



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22-12-2015 23:48
Tai Hai Chen
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(1079)
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.

http://www.livescience.com/44330-jurassic-dinosaur-carbon-dioxide.html


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.

https://scripps.ucsd.edu/programs/keelingcurve/2013/12/03/what-does-400-ppm-look-like/
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