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I don't think I understand what you mean about the composition of the atmosphere not having changed very much.
by rz2k 10y ago
I don't think I understand what you mean about the composition of the atmosphere not having changed very much.
- EGreg 10y agoWell CO2's concentration went from 0.03% to 0.04% . In absolute terms that is very negligible. If we burned all our fossil fuels AND the solubility pumps of the oceans kept working, that means a maximum of 0.06% or so concentration in the atmosphere of CO2. Its effect as a greenhouse gas should be measured relative to THAT, not its rise in relative numbers.