[Tilted Irish Kilt]

“...with a previous turning point occurring in the early 1970s....”

21twelve : "Wasn’t that about the time of the Global Cooling fears? "

Exactly true ! During the 70's, the porn panic was all about global cooling
We are still in an inter-glacial period of the earth's history
If the earths core is reversing, shouldn't there be a 'slack time' as the core rotation reverses ?
I wonder what the effect there might be on the tectonic plates on the earth's surface crust ?

[Tilted Irish Kilt]

As I recall, it was 'Newsweek' and 'Time' that were the printed magazines that called out "Global Cooling"