http://www.esrl.noaa.gov/gmd/ccgg/trends/co2_data_mlo.html#mlo_full
CO2 is the big boogy man and you can see current and historical levels since 1960 on line. There is no doubt that CO2 has been increasing. The rate of increase however, hasn’t changed in decades, while the IPCC estimates are all based on exponential growth of CO2 concentrations
