What Does ‘Food Security’ Really Mean? Live on Twitter: Molly Jahn and Dan Sarewitz

Global security depends on everyone having enough food. Scientist Molly Jahn started her career inventing squashes and melons. But that work led her to wonder and worry about the security of our global food supply in the face of changing climate, growing population, and new forms of war. What does “food security” really mean in the 21st century? Why hasn’t food security been a bigger part of national security debate and planning? And what would you do if you realized, as Jahn did, that the long-term food security of the nation was not assured and that no one at the highest level of government was working on the problem? Jahn, who is now at DARPA (the US Defense Advanced Research Projects Agency), and Issues in Science and Technology editor-in-chief Daniel Sarewitz visit Zócalo to discuss the possible paths to a future where food enough for all is assured.