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Old 12-31-2019, 01:35 PM   #8063 (permalink)
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Originally Posted by redpoint5 View Post
I would expect declining O2 concentrations to curtail fire more than fractions of a degree increase in temperature would encourage them.
O₂ concentration would fall with the rise of C0₂ concentration, I guess that's what you expect?

Well, CO₂ is at 415 ppm currently, up from 200 before mankind.
O₂ is at about 210,000 ppm. Maybe that was 210,215 ppm back then. It is less now... about 0.1 %, or 0.02% of the whole atmospheric content.

Fire is a chemical reaction triggered by heat. More heat, more fire. Even at 0.02% less oxygen.
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