Top Pro & Con Arguments

Con

CO2 is so saturated in earth’s atmosphere that more CO2, manmade or natural, will have little impact on the climate.

As CO2 levels in the atmosphere rise, the amount of additional warming caused by the increased concentration becomes less and less pronounced. [65] According to Senate testimony by William Happer, PhD, Professor of Physics at Princeton University, “[a]dditional increments of CO2 will cause relatively less direct warming because we already have so much CO2 in the atmosphere that it has blocked most of the infrared radiation that it can. The technical jargon for this is that the CO2 absorption band is nearly ‘saturated’ at current CO2 levels.” [66]

According to the Heartland Institute’s 2013 Nongovernmental International Panel on Climate Change (NIPCC) report, “it is likely rising atmospheric CO2 concentrations will have little impact on future climate.” [67]

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