As global population grows, are we ever going to run out of food? There are lots of people who say we need to work very hard to make farming more efficient to feed the word. Then there are others who say, no, the real problem is more equitably dividing the food up, and efficient farming techniques actually make the inequality worse. Finally, there are people who say that growing more, and sharing it better, doesn’t matter as long as keep making babies. Here we sort through the sweeping claims and look beyond the rhetoric to understand how to make food systems green and fair.