The 1970s Global Cooling Scare (and how the warming scare could not have happened without it)

Watts Up With That?

Screencap from TV documentary “In Search of:” narrated by Leonard Nimoy. Season 2, Episode 23 originally aired in May 1978. Full video here

Guest essay by Bernie Lewin

This is the second post drawing on themes raised in the book Searching for the Catastrophe Signal. See a previous post on WUWT here.

Forty-five years ago today, two geologists penned a letter to the president of the United States warning that the rocky decent into the next ice age might have already begun.

Letter from Kukla and Matthews to the President of the United States, 3 December, 1972

A letter written by two Quaternary geologists George Kukla and Robert Matthews to Richard Nixon raised concerns that recent bad weather might indicated that the present interglacial was ending. This letter helped to set in train a series of events that raised the profile of climate anxieties in the USA and globally. Source: Reeves & Gemmill.

The year 1972 remains infamous in the annals of…

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