Friday, March 4, 2011

Accelerating CO2 Trend

h/t CO2 Now

Decade                 Total Increase        Annual Rate of Increase


2001 –  2010              20.38 ppm                     2.04 ppm per year 



1991 –  2000               15.24 ppm                     1.52 ppm per year 


1981 –  1990                15.48 ppm                     1.55 ppm per year 



1971 –  1980               13.00 ppm                     1.30 ppm per year 


1961 –  1970                 8.77 ppm                     0.88 ppm per year 



     


Source:


Annual CO2 Data:  Scripps / NOAA data for atmospheric CO2*    


*Calculations are made by CO2Now.org using annual data (Mauna Loa Observatory). 

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