When I was a kid in the 70's, I was scared of the coming ice age and USA intercepting Russia's ICBMs over Canada. The shortest path from Russia to USA is over Canada.
Like ChemBurn I too wondered about the Ice Age I was promised in the 70's.
Here you go if you care to read about the 70's ice age prediction.
https://longreads.com/2017/04/13/in-1975-newsweek-predicted-a-new-ice-age-were-still-living-with-the-consequences/
Disbelievers Add Complications
In later years, though, climate change deniers latched upon the 1970s speculations of a cooling planet as a way to discredit scientists who raise the alarm over increasing global temperatures.
Some contrarians point to an international conspiracy they say is trying to suppress evidence of a supposed consensus on global cooling.
Not only is global warming wrong, these deniers argue, but the exact opposite of warming may be happening — and in any case, how can we believe scientists who claim one thing in one decade and something completely different in another? Or who predicted one disaster that never happened, and now forecast another?