You've written to me over at my citizenschallenge.blogspot.com and offered links to your work. I have read more of your blogs and posts and various comments around the web. Well, it's fired me up with a desire to write you a letter asking some heart to heart questions and sharing my perspective with you and your compatriots. I'm doing it here because WUWTW seemed a more appropriate location.
I'll base my letter on that piece you keep plugging, your March 15, 2008 op-ed:
You write: "I have been researching the global warming issue for months. I am a licensed Mechanical Engineer with an MSc in Mechanical Engineering. The following is a brief verbal description of some of my sources and findings with graphics that show these findings..."
You write: "The assertion that humans have or ever can have a significant influence on climate such as by limiting the use of fossil fuel (a.k.a. limiting human production of carbon dioxide) is not supported by any historical record."
You write: "The temperature1 has varied substantially while the carbon dioxide in the atmosphere2 exhibits a smooth progressive rise. Note on this graph that prior to about 1910, and again from 1944 to about 1976, temperature showed a decreasing trend while atmospheric carbon dioxide level was increasing. . . "
here's a simple video explaining what you've omitted:
You write: "In the previous graph it appears that since 1976 the increasing carbon dioxide level has caused the average global temperature to rise. However, a close look at the graph below reveals the fact that, typically in the past, global average temperature rose or fell before the carbon dioxide level changed."
You write: "This graph shows that the average global temperature 400 years ago was significantly higher than now and the recent rate of temperature change is not unusual."
You write: "For most of earth’s history carbon dioxide level has been several times higher than the present8,9. The planet plunged in to the Andean-Saharan ice age 440 million years ago10 when the carbon dioxide level was over ten times higher than now.The conclusion from all this is that carbon dioxide change does NOT cause significant climate change."
(The last 600 Million years of our climate's evolution in 7 minutes)
You write: "Actions to control the amount of non-condensing greenhouse gases that are added to the atmosphere are based on the mistaken assumption that global warming was caused by human activity. These actions put freedom and prosperity at risk. "
Mr. Pangburn, I wonder what you think of Spencer Weart's words in his essay:
The CO2 problem in 6 easy stepsWe often get requests to provide an easy-to-understand explanation for why increasing CO2 is a significant problem without relying on climate models and we are generally happy to oblige. The explanation has a number of separate steps which tend to sometimes get confused and so we will try to break it down carefully. . .
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