As we look around at the food in our supermarket and food stands, it is hard to believe the world is heading toward a crisis. But we shouldn’t let this abundance of food lull us into a false sense of security. It has been clearly documented that the world is heading toward a food shortage. We are not going to solve this problem, as many are telling us, by simply producing more food.

During the Green Revolution of the 1960s and ’70s we were able to increase our crop yields by three to five percent per year through crop breeding and enhanced cultural practices. Because our agricultural environment has been so degraded since the Green Revolution, we can now barely increase