We need to reduce post-harvest food loss and food waste. So 30% of the food grown in poor countries don't reach the consumers. And in rich countries, 30% of food boxes is discarded, not eaten. And we need to shift diets towards diets. There are more nourishing and more environmentally sustainable. http://www.solvecast.com/articles/detail/15232-solving-for-the-future-of-food-with-daniel-ruben-food-tech-advisor