The tipping point

The heart wasn't recognized as a pump earlier because there was no such thing as a pump.
We've had exponential, geometric, random, expansion, choas.... but we haven't had tipping point. That doesn't say that we're going to do anything about it, or that the notion has come in time.
Greenspawn might say that you don't know if it was a tipping point until it tipped.
The overarching principle is immortalized in "The Tragedy of the Green"
And distractions, like Iraq, starvation, over population... but we're back to the green again.