Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Jan 1, 2017
(3½ min) Ecosystem collapse would kill us all. Our efforts to halt collapse are blocked by plutocrats. To end plutocracy, we need to replace property and plutocracy with a culture of "share and don't hit." The first step is to talk about it. Transcript and related links at http://LeftyMathProf.org/share-or-die/