Nice chart. However, the premise of the study and the proposed regulation is flawed. Cap and trade has little to do with Science and a lot to do with raising Taxes.
Carbon Dioxide is not a pollutant or a contaminate. It is a natural occuring component of the atmosphere. The suits in Washington have no business wasting our time in trying to regulate Nature. This bill is not about "saving the planet". It is about finding new and inventive ways of separating the public from it's money (creating new Taxes).
Now. Here is some Science:
Carbon Dioxide is such a small component of Earth's atmosphere (380 ppmv) that the "slice" it represents in this chart is really only a "line" about 1/2 as thick as the line shown. Compared to former geologic times, Earth's atmosphere is "CO2 impoverished."
In the last 600 million years of Earth's history only the Carboniferous Period and our present age, the Quaternary Period, have witnessed CO2 levels less than 400 ppm, except during periods of glacial expansion during ice ages.
Late Carboniferous to Early Permian time (315 mya -- 270 mya) is the only time period in the last 600 million years when both atmospheric CO2 and temperatures were as low as they are today (Quaternary Period).
Temperature after C.R. Scotese http://www.scotese.com/climate.htm CO2 after R.A. Berner, 2001 (GEOCARB III)
There has historically been much more CO2 in our atmosphere than exists today. For example:
During the Jurassic Period (200 mya), average CO2 concentrations were about 1800 ppm or about 4.7 times higher than today.
During the Jurassic Period (200 mya), average CO2 concentrations were about 1800 ppm or about 4.7 times higher than today.
The highest concentrations of CO2 during all of the Paleozoic Era occurred during the Cambrian Period, nearly 7000 ppm -- about 18 times higher than today.
The Carboniferous Period and the Ordovician Period were the only geological periods during the Paleozoic Era when global temperatures were as low as they are today. To the consternation of global warming proponents, the Late Ordovician Period was also an Ice Age while at the same time CO2 concentrations then were nearly 12 times higher than today -- 4400 ppm.
According to greenhouse theory, Earth should have been exceedingly hot. Instead, global temperatures were no warmer than today. Clearly, other factors besides atmospheric carbon influence Earth temperatures and global warming.
Global Warming is a Hoax - Get the facts here:
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