Dr. Martin Hertzberg: Climate change beyond our control
Scientists with a theory search diligently for data that might contradict the theory so that they can test its validity or refine it. Propagandists with a theory carefully select only the data that agrees with the theory and dutifully ignore any data that might contradict it. How else to explain Baxter Pharr’s claim for “overwhelming and simple” evidence for human-caused global warming? He states: “Over the past 600,000 years, every time the fossil record shows an increase in CO2 concentration in the Earth’s atmosphere there is a corresponding increase in global temperatures.” The record he cites is the Vostok ice-core data, but he fails to ask the obvious question. When global temperatures increased and the CO2 concentration increased, where did all that CO2 come from during the hundreds of thousands of years before any significant human emission of CO2? That is a question dutifully ignored by the propagandists Pharr cites. The same data also show that temperature changes preceded CO2 changes by 600 to 1,000 years indicating that it was the temperature changes that caused the CO2 changes, not the reverse. That is another critical piece of data the propagandists ignore: As oceans cool during glacial cooling, they absorb CO2 from the atmosphere. As oceans warm during interglacial warmings, they emit CO2 into the atmosphere. The ocean contains 50 times more CO2 than the atmosphere and it is its average temperature and the solubility of CO2 in sea water that controls the atmospheric CO2 concentration. Current human emission of CO2 is of trivial significance in determining its atmospheric concentration
It has been known for almost a hundred years that the cause of those long-term cycles of cooling and warming are the variations in the Earth’s orbital parameters: changes in its orbital ellipticity around the Sun, changes in its obliquity, and the precession of its axis of rotation. Shorter term variations over hundreds of years such as the Medieval Warm Period (considerably warmer than today) and the Little Ice Age, are caused by variations in Solar activity. Changes in atmospheric CO2 concentrations are about as significant for weather as a few farts in a hurricane!
Pharr’s also regurgitates the claim that CO2 concentration at 390 parts per million “are at their highest level in over 1 million years.” That claim is a fraudulent concoction of the IPCC. For example, direct measurements of atmospheric CO2 from 1936 to 1944 averaged over 410 parts per million.
In our current system for generating electricity from coal, natural gas and nuclear energy, we have absolutely no dependence on foreign sources. Our problem is imported petroleum for the transportation sector of our economy. Despite the commercials of environmental lobbyists, renewable energy sources such as wind and solar will not produce a single drop of the petroleum currently needed for that sector. Our present system for the production of electricity “ain’t broke, and if it ain’t broke, don’t fix it.” The nation has real problems such as the tragic explosion at the Upper Big Branch Coal mine in West Virginia and the recent explosion and oil spill in the Gulf. Coal mine safety and pollution of the Gulf are critical problems that need to be addressed and solved. The Kerry-Lieberman proposal of carbon emission control, on the other hand, is chasing a phantom: the entirely non-existent problem of human caused global warming/climate change. Implementation of such legislation will waste hundreds of billions of dollars and do serious damage to the nation’s infrastructure and its economy. The overwhelming weight of scientific evidence shows that it will have absolutely no effect on the world’s weather, which is well beyond human influence or control.
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