A vendor sells edible insects at Talad Thai market on the outskirts of Bangkok. The most popular method of preparation is to deep-fry crickets in oil and then sprinkle them with lemongrass slivers and chilis.
NARONG SANGNAK/EPA /Landov
A soybean field near Campo Verde in western Brazil in January 2011. Researchers argue that enough arable land is already under cultivation to feed the planet for the next several decades.