Good find. Newsweek has some observations on the topic from 1975:
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. The drop in food output could begin quite soon, perhaps only 10 years from now. The regions destined to feel its impact are the great wheat-producing lands of Canada and the U.S.S.R. in the North, along with a number of marginally self-sufficient tropical areas ? parts of India, Pakistan, Bangladesh, Indochina and Indonesia ? where the growing season is dependent upon the rains brought by the monsoon.
The evidence in support of these predictions has now begun to accumulate so massively that meteorologists are hard-pressed to keep up with it…
Global warming? No, global cooling.
What is a good American to believe?
