THREAD: one more time on the need for citizens to understand the need for, then demand, then deliberate on, then manage - a total pivotal change. Next tweet..what is a pivot and why we need one 1/

We all did this as kids: Walk up a see-saw, you keep going fine until you cross the fulcrum then WHAM! It flips.This is what happens in nature when resources are used up faster than they are replenished. All goes fine until nearly half are used up. All who study biology know..2/

This flip is a population crash. It is natural. Important to know: the crash comes after the point where more resources are being used up than are being replenished. There is a period of overshoot. The crash comes some time after overshoot. Can that happen to humans? 3/

According to Joseph Tainter (1988) there have been three:
Ancient Rome
Mayan Civilisation
Ancestral Puebloans
Modern society is exhibiting all the signs (Club of Rome 1972) 4/
https://t.co/ND85PXV9MB

All of this is well-known by scholars. But somehow it does not seem to have sunk in with citizens in general. The urgency. So let me say it again in a retweet-worthy way 5/