"I appreciate…the hope Plan B communicates by pointing out so many things that are already being done around the globe." —Roland Saher, economics teacher on Plan B 4.0: Mobilizing to Save Civilization.
In Full Planet, Empty Plates: The New Geopolitics of Food Scarcity, Lester Brown says the world's food supply is tightening, and the reasons are many. People in developing countries are eating more meat, a grain-intensive food; farmers are overpumping, causing water tables to fall; and crop yields have plateaued, despite technological advances. Catch the full interview on NPR's Science Friday here.