(2017-09-26) Udell Welcome To The Sapiezoic

Jon Udell: Welcome to the Sapiezoic. The latest Long Now podcast, by David Grinspoon, takes a very long view indeed. As we transition from the Holocene to the Anthropocene, he thinks, we’re not just entering a new geological epoch, as shown here:

That alone would be a big deal. But epochs are just geologic eyeblinks a few million years in duration. Grinspoon thinks we might be entering something way bigger. Not just a period or an era. We might happen to be alive now at an eon boundary, as shown here:

There have only been four eons so far.

The hallmark of the Sapiezoic eon he envisions: intentional re-terraforming.