How to feed a hungry world.
Producing enough food for the world's population in 2050 will be easy. But doing it at an acceptable cost to the planet will depend on research into everything from high-tech seeds to low-tech farming practices.
D000383:Agriculture / Q000379:methods* / Q000639:trends*; D003247:Conservation of Natural Resources / Q000379:methods* / Q000639:trends*; D005523:Food Supply / Q000706:statistics & numerical data*; D011158:Population Growth; D012106:Research / Q000639:trends