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OKIsItJustMe

(19,938 posts)
2. Unfortunately, they don’t act all that quickly
Wed Jul 6, 2016, 04:39 PM
Jul 2016

We need to lower CO₂ levels quite quickly, and in the distant past intact ecosystems seem to be able to do that at the rate of about 1 ppm/millennium.

We need to lower them ? 50 ppm in about as many years.

Latest Discussions»Issue Forums»Environment & Energy»Drought stalls tree growt...»Reply #2