What makes a mild-mannered biology professor call for a planned collapse of the economy? Canadian scientist Bill Rees would know. He was an inventor of the ecological footprint concept, and has been measuring our impact on the planet for decades. Now he’s worried about survival: ours and all living systems.

In this program, you will hear a mile-stone lecture by Dr. Bill Rees, as recorded by Alex Smith in 2010. It’s about our three brains: the reactive reptile stem, mammalian emotions, and the late-coming attempt at rationality. Which wins?