The “Tropical Hotspot” Does Not Exist

Dr. James P. Wallace III, Dr. John R. Christy, Dr. Joseph S. D’Aleo. The Validity of EPA’s CO2 Endangerment Finding. August 2016. Second Edition. April 2017.

The objective of this research was to determine whether or not a straightforward application of the “proper mathematical methods” would support EPA’s basic claim that CO2 is a pollutant. These analysis results would appear to leave very, very little doubt but that EPA’s claim of a Tropical Hot Spot (THS), caused by rising atmospheric CO2 levels, simply does not exist in the real world. Also critically important, this analysis failed to find that the steadily rising Atmospheric CO2 Concentrations have had a statistically significant impact on any of the 14 temperature data sets that were analyzed. The temperature data measurements that were analyzed were taken by many different entities using balloons, satellites, buoys and various land based techniques. Needless to say, if regardless of data source, the structural analysis results are the same, the analysis findings should be considered highly credible. Thus, the analysis results invalidate each of the Three Lines of Evidence in its CO2 Endangerment Finding. Once EPA’s THS assumption is invalidated, it is obvious why the climate models EPA claims can be relied upon for policy analysis purposes, are also invalid. And, these results clearly demonstrate—14 separate and distinct times in fact–that once just the Natural Factor impacts on temperature data are accounted for, there is no “record setting” warming to be concerned about. In fact, there is no Natural Factor Adjusted Warming at all. Moreover, over the time period analyzed, these natural factors have involved historically quite normal solar, volcanic and ENSO activity. At this point, there is no statistically valid proof that past increases in atmospheric CO2 concentrations have caused the officially reported rising, even claimed record setting temperatures.

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