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Old 09-16-2013, 04:05 PM   #948 (permalink)
P-hack
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Just to muddy the waters further, CO2 actually escapes the atmosphere, like helium only slower. There will come a time, very far from now, when there will not be enough CO2 to support plant life, and you can figure out what happens then, and long before then.

Too Little CO2 To End Life On Earth | The Resilient Earth