How existing cropland could feed billions more

http://feedproxy.google.com/~r/sciencedaily/~3/BBiLN-a3lG8/140717141957.htm

Feeding a growing human population without increasing stresses on Earth’s strained land and water resources may seem like an impossible challenge. But according to a new report focusing efforts to improve food systems on a few specific regions, crops and actions could make it possible to both meet the basic needs of 3 billion more people and decrease agriculture’s environmental footprint.

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