this was known to be coming for many yrs (I remember it being discussed in a college geology class)-

That it was overdue. Once The Climate Change political movement took root, I knew that the weak minds with no science background would be easily frothed up over this. Lib motto: Never let a political opportunity go to waste!

Fossil record suggests that the shifts are sudden.

If only this would rip the cell phones from the Millenials hands.