‘. . . [A]ccording to a new study published in the Proceedings of the National Academy of Sciences, . . . [Africa] will . . . need to dramatically increase its agricultural efficiency. Right now, Africa imports 20% of its cereal needs, despite having a quarter of the world’s arable land. . . . With a population expected to expand by another 1.3 billion people by 2050, Sub-saharan African countries will have to import half of all needed cereals in the next 30 years, if drastic changes to agricultural methods aren’t taken, the study concluded.