What Warming 1978 to 1997?

Science Matters

Flawed thermometers can lead to false results.

Those public opinion surveys on global warming/climate change often ask if you believe the world has gotten warmer in the last century. Most all of us answer “Yes,” because that is the data we have been shown by the record keepers.  Fred Singer, a distinguished climate scientist, asks a disturbing question: “What if trends in surface average temperatures (SAT) were produced by biases of the instruments themselves, rather than being a natural fact?.  He makes his case in an article at The Independent The 1978-1997 Warming Trend Is an Artifact of Instrumentation  Excerpts below in italics with my bolds.(H/T John Ray)

Now we tackle, using newly available data, what may have caused the fictitious temperature trend in the latter decades of the 20th century.

We first look at ocean data. There was a great shift, after 1980, in the way Sea Surface…

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