Evaluation of “Climate Change Reconsidered II – Physical Science”
What’s good about it.
The above report was recently issued by the Nongovernmental International Panel on Climate Change (NIPCC). It was coauthored by Craig D. Idso, Robert M. Carter, and S. Fred Singer together with an equally distinguished group of scientists who served as lead authors, contributing authors, and reviewers. The report is a well documented and thoroughly researched analysis of the hypothesis put forth by the Intergovernmental Panel on Climate Change (IPCC) that recent increases in atmospheric CO2 caused by human emissions from fossil fuel combustion is causing, or will cause, dangerous global warming and climate change. Such warming has been observed in the late twentieth century as atmospheric CO2 was measured to increase. According to the IPCC paradigm increases in atmospheric CO2 precede, and then cause, parallel increases in temperature.
A large number of governments, professional societies, scientific journals, journalists, the print media, the TV media, and even some corporations, generally accept the validity of that IPCC paradigm. Accordingly, there has been a concerted effort to reduce CO2 emissions, or to tax such emissions, or to replace fossil combustion sources by alternative energy sources. A smaller number of governments or organizations have rejected that IPCC paradigm and NIPCC is among them. The NIPPC report being reviewed here documents the observations and measurements that contradict the paradigm.
While NIPPC concedes that CO2 is a “mild greenhouse gas” that might cause some mild heating, such heating far from representing a “climate crisis” would actually be beneficial to mankind. The Global Climate Models produced by the IPCC have predicted drastic warming up to 6 C for decades to come. Those predictions have been falsified by the data. In fact, during the past 16 years, even as atmospheric CO2 concentrations have increased by 8{154653b9ea5f83bbbf00f55de12e21cba2da5b4b158a426ee0e27ae0c1b44117}, the Earth’s average temperature has not increased. While prior to 1995 there was a parallelism between the CO2 increase and temperature rise, such a parallelism does not prove causation, and in fact that parallelism has ceased since the mid- 1990’s. In geologic time, the Earth’s temperature has oscillated naturally between +4C and -6 C relative to current values. Those fluctuations are driven by glacial coolings and interglacial warmings caused mainly by changes in the ellipticity of the Earth’s orbit. The Earth’s overall warming since 1860 corresponds to its recovery from the Little Ice Age as modulated by ocean-atmosphere oscillations and variations in solar activity.
Even more telling is the CO2 data from those ice core measurements as obtained from air bubbles trapped in the ice. They show a parallelism between CO2 and temperature with minima in CO2 occurring near the lowest temperatures of a glacial cooling. The maxima in CO2 occur near the highest temperatures of a glacial warming. But if one analyses the data carefully, one finds that the changes in temperature always precede the changes in CO2 by several hundred to a thousand years. The same precedence is observed during the most recent glacial warming cycle that we are currently experiencing. Those observations conclusively falsify the IPCC theory that CO2 is the primary forcing agent for temperature changes. Quite the contrary, it is the temperature changes that are the cause of the CO2 changes. Even shorter term variations in CO2 over the last several decades also display somewhat similar behavior with sea surface temperature changes inevitably leading to atmospheric CO2 changes. There is still more to be learned from such data and we will return to it again.