1970s global cooling alarmist: I was wrong, it’s been warming all along

1970s global cooling alarmist: I was wrong, it’s been warming all along

The author of a much quoted 1975 Newsweek article predicting catastrophic global cooling now says it was a big mistake and the earth was warming all along.

Peter Gwynne, began his piece by declaring portentously:

“There are ominous signs that the earth’s weather patterns have begun to change dramatically and that these changes may portend a drastic decline in food production – with serious political implications for just about every nation on earth.”

And this wasn’t just a minority opinion, he went on to stress:

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“Meteorologists disagree about the cause and extent of the cooling trend, as well as over its specific impact on local weather conditions. But they are almost unanimous in their view that the trend will reduce agricultural productivity for the rest of the century. …

But now Gwynne has decided that this certainty was misplaced:

“While the hypotheses described in that original story seemed right at the time, climate scientists now know that they were seriously incomplete. Our climate is warming — not cooling, as the original story suggested,”


Luckily, Gwynne is in no danger of being made to look a fool twice. He has now chosen to place his faith in the expertise of perhaps the most widely respected, uncontroversial figures in the entire field of climate science – a man he quotes approvingly throughout his recantation.

“There’s no serious dispute any more about whether the globe is warming, whether humans are responsible, and whether we will see large and dangerous changes in the future – in the words of the National Academy of Sciences – which we didn’t know in the 1970s,” said Michael Mann, a climatologist at Pennsylvania State University in University Park.

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