To complete this argument it would help to know what percentage change in CO2 levels would be significant
To complete this argument it would help to know what percentage change in CO2 levels would be significant
CO2 makes up 0.04% of the atmosphere currently (25 times less than 1%). - Humans contribute just 3% of that. 3% of 0.04% is 0.0012% (833 times less than 1%). - Which means that, if we stopped human carbon emissions completely, it would make 833 times less than 1% of a difference to the atmosphere.
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