If the current rate of annual increase, about 2.5 ppm per year, were to continue, we would be around 600 ppm at the end of the century. This could translate to about 2-3C of anthropogenic change in the mean global surface temperature anomaly.
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Originally Posted by Laraine
The charts show an increase of about 100ppm in 60 years, so assuming you're correct about the problems with CO2, your time frame is a little off to reach 1000ppm. At the rate on the charts, you're looking at 360 years, or close to the end of the 2300's, not the 2000's. Also, to those mentioning carbon monoxide poisoning, that is CO, not CO2--there's quite a difference.
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