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Old 10-17-2018, 04:38 PM   #3260 (permalink)
redpoint5
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Join Date: Aug 2010
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Quote:
Originally Posted by NeilBlanchard View Post
The best amount of greenhouse gases - are juuuuuust right.
I'm curious if there has been any research on what the ideal (for human life and activity) ppm for CO2 is, and if others have found similar results?
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