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2020 is here. We are a year older, but some of us have not really learned a whole lot and continue to mock other writers. One continues to berate people he disagrees with, calling them uninformed, uneducated and says their message is unreadable gibberish unsupported by any facts. Let us check his facts. He asserts that CO2 has changed little in 800,000 years, and only in the last 250 years has CO2 gone “wacky.”
William Happer, a Princeton University professor emeritus, when testifying before a 2009 Senate committee said “Most of the time CO2 levels have been at least 1,000 parts per million, and it has been quite higher than that.”
In the Ordovian-Silurian and Jurassic-Cretaceous periods, CO2 levels were 4,000 ppm and 2,000 ppm.
There was no man-made CO2 during these last two times, so how to explain how this occurred?
The 1815 Tambora volcano and the 1883 Krakatoa volcano both caused the cooling of the northern hemisphere by 1 degree F and 0.72 degree F, respectively. Summer growing seasons were shortened, and in the Tambora case, snow fell in some places in July where it should not have. So, is it possible that a volcanic eruption could spew forth huge amounts of CO2? We can really not tell because these two eruptions happened when CO2 was not measurable.
Another writer sites one Dr. James Lawrence Powell of MIT as saying that he reviewed 11,602 peer-reviewed articles on climate change and global warming published in the first 7 months of 2019, and that there was 100 percent consensus on the existence of human-caused global climate change. What the writer did not say, however, was when you dig into the dear professor’s work just a little bit, what he said was that he never actually read all 11,602 articles, he just looked at the titles and assumed what they were going to say.
The writer goes on to say there were more record high temperatures than record low temperatures, according to NOAA December figures. This is correct, but once again, the writer fails to tell the reader the new record July 2019 average temperature was just 0.05 degree, just five hundredths of one degree, hotter. Since 1910 the average temp has raised 1.71 degree F total. In the past 500 million years it has been as much as 6 degrees cooler and as much as 14 degrees warmer.
Please dig for the information yourself.