“Claims that Climate Change Is Accelerating Are Bizarre”

The author quoted below on global warming is a Professor of Meteorology at the Massachusetts Institute of Technology.

(p. A19) Is there a reason to be alarmed by the prospect of global warming? Consider that the measurement used, the globally averaged temperature anomaly (GATA), is always changing. Sometimes it goes up, sometimes down, and occasionally–such as for the last dozen years or so–it does little that can be discerned.

Claims that climate change is accelerating are bizarre. There is general support for the assertion that GATA has increased about 1.5 degrees Fahrenheit since the middle of the 19th century. The quality of the data is poor, though, and because the changes are small, it is easy to nudge such data a few tenths of a degree in any direction. Several of the emails from the University of East Anglia’s Climate Research Unit (CRU) that have caused such a public ruckus dealt with how to do this so as to maximize apparent changes.
The general support for warming is based not so much on the quality of the data, but rather on the fact that there was a little ice age from about the 15th to the 19th century. Thus it is not surprising that temperatures should increase as we emerged from this episode.

For the full commentary, see:
RICHARD S. LINDZEN. “The Climate Science Isn’t Settled; Confident predictions of catastrophe are unwarranted.” The Wall Street Journal (Tues., December 1, 2009): A19.
(Note: the online version of the commentary is dated NOVEMBER 30, 2009.)

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