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To: Brumar89 who wrote (2323)9/20/2011 11:35:08 PM
From: Wharf Rat  Read Replies (2) | Respond to of 85487
 
If CO2 goes up 165 ppm in 20 years, that is the projection. Right now, at our present rate of increase, it will take about 80 years for CO2 levels to increase that much. I know the math is too complicated for you to follow, so don't worry about it.

August 2011: 390.02 ppm
August 2010: 388.15 ppm
esrl.noaa.gov


PDF Version The graph shows recent monthly mean carbon dioxide measured at Mauna Loa Observatory, Hawaii.

In the above figure, the dashed red line with diamond symbols represents the monthly mean values, centered on the middle of each month. The black line with the square symbols represents the same, after correction for the average seasonal cycle