![KEXP Presents Mind Over Matters Sustainability Segment show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/041/996/small/kexp-presents-mind-over-matters-sustainability-segment.jpg)
Summary: Guest Lester Brown, President, Earth Policy Institute, speaks with Diane Horn about his book "Plan B 4.0: Mobilizing to Save Civilization."
Summary: Guest Lester Brown, President, Earth Policy Institute, speaks with Diane Horn about his book "Plan B 4.0: Mobilizing to Save Civilization."