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Letter: A questionable source of info?

In his commentary in the West Central Tribune on Oct. 23, Cal Thomas concludes that man-made climate change is fiction. He speaks of “junk science coming out of climate research circles” and likens this to a belief in 1930s Syria that toy yo-yos have an effect on the weather.

Thomas cites a group called the Nongovernmental International Panel on Climate Change, which opposes the more familiar Intergovernmental Panel on Climate Change.

What is NIPCC? A Wikipedia article indicates that NIPCC was set up in 2004 by a scientist named Fred Singer. Reading further, Singer (b. 1924 in Austria) was educated at Ohio State (electrical engineering) and Princeton (physics). These are impeccable credentials, and the article traces a long and colorful career in science. However, in recent decades Singer has taken on a questioning role, questioning, for example, the consensus scientific opinion that second-hand tobacco smoke can cause cancer. Most likely, a figure like Singer would attract a smattering of like-minded scientists, and this is the most likely composition of the NIPCC.

Thomas places his trust in the nongovernmental panel. I place my trust in the intergovernmental panel. Global warming is real and largely man-made.

Earl O. Knutson