CHURCHVILLE, VA—When our new knowledge of DNA permitted genetically modified crops, the environmental movement “flipped out.” Here was a new technology that promised to raise crop yields, protect our food supply from pests, and create a second Green Revolution for “over-populated” places such as Africa and India. The activists believed viscerally that more food would mean more people—and they were apparently terrified that more little brown and yellow people would “use up” such resources as copper and antelope.
