Thongchai Thailand

Demming 2006 Congressional Testimony

Posted on: July 29, 2019





With thanks to

Luis C. Rodriguez


Congressional Testimony of Dr Demming, University of Oklahoma, Geologist and Geophysicist. 2006 Youtube video [LINK]

  1. In recent years I have turned to the study of the history of science. In 1995 I published a short paper in the academic Journal Science. In that study I reviewed borehole temperature data that recorded a warming of about 1C in North America over the last 100 to 150 years.
  2. The week the article appeared, I was contacted by a reporter for National Public Radio. He offered to interview me but only if I would state that the warming was due to human activity. When I refused to do so he hung up on me.
  3. I had another interesting experience around the time my paper in Science was published. I received an email from a researcher in the area of climate change. He said “we need to get rid of the Medieval Warm Period (MWP)”.
  4. The MWP was a time of unusually warm period that began about 1000AD and it persisted until a cold period known as the Little Ice Age (LIA) took hold in the 14th century. During the MWP, warmer climate had brought a remarkable flowering of prosperity, knowledge, and art to Europe. The existence of the MWP had been recognized in the scientific literature for decades. But now it is a major embarrassment to those maintaining that the Twentieth Century Warming (TCW) was truly anomalous in the context of the climate history of our planet and that therefore the MWP had to “be gotten rid of”.
  5. In 1769, Joseph Priestly warned that scientists overly attached to a favored hypothesis would not hesitate to warp the whole course of nature to prove the correctness of their hypothesis. In 1999 Michael Mann and colleagues published a reconstruction of past temperatures I which the MWP simply vanished. This unique achievement became known as “The Hockey Stick” (THS) because of the shape of the temperature graph.
  6. Normally in science, when you have a novel result that appears to overturn previous work, you have to demonstrate why the earlier work was wrong. But the work of Mann and colleagues was initially accepted uncritically even though in contradicted the results of more than a hundred previous studies. Other researchers have since re-affirmed that the MWP was both warm and global in its extent.
  7. There is overwhelming bias today in the media regarding the issue of global warming. In the past two years (2004-2006) it has turned into irrational hysteria such that every natural disaster that occurs is now linked with global warming no matter how tenuous or impossible the connection. As a result, the public has become grossly misinformed on this and other environmental issues.
  8. Earth’s climate system is complex, chaotic, and poorly understood; but we do know that throughout human history, warmer temperatures have been associated with stable climate and increased human health and prosperity. Colder temperatures have been correlated with climatic instability, famine, and increased human mortality.
  9. The amount of climatic warming that has taken place in the past 150 years is poorly constrained and its cause, whether human or natural, is unknown. There is no sound or scientific basis for predicting future climate change with any degree of certainty. If the climate does warm, it is likely to be beneficial to humanity rather than harmful. In my opinion it would be foolish to establish national energy policy on the basis of misinformation and irrational hysteria.




  2. A Chaotic Holocene Climate?
  3. Hegerl 2018: AGW rescued by Volcanoes.
  4. Evolution of The Climate Scare: Callendar to Greta
  5. Hansen Congressional Testimony 1988
  6. Tropical Cyclones of the Pre-Industrial Era
  7. The Medieval Warm Period
  8. The Hidden Hand of Activism

3 Responses to "Demming 2006 Congressional Testimony"

Thank you for this. It would be helpful if you would define “constrained” for those unitiated in statistical science.

[…] Demming 2006 Congressional Testimony […]

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