Warren Buffett (left), Howard G. Buffett (center) and grandson Howard W. Buffett collaborated on a book about the challenges of feeding more than 2 billion more mouths by 2050.
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Patricia Whisnant, who runs Rain Crow Ranch in Doniphan, Mo., says her grass-fed beef can compete with the Australian product because it has a better story American consumers can connect with.
Courtesy of Rain Crow Ranch
An irrigation pivot waters a corn field in Nebraska. Many farmers in Nebraska and Kansas rely on irrigation to water their corn fields. But the underground aquifer they draw from will run dry.
Beehive designer Johannes Paul (right) and Natural England's ecologist Peter Massini, with a brood frame colonized with bees from the "beehaus" beehive on the roof of his house in London in 2009.