Can We Grow More Food in 50 Years Than in All of History?

How serious is the world's situation? Bad enough, says a leading Australian scientist, that the world will have to produce more food in the next 50 years than we have in the thousands of years since civilization began, and will have a tough time keeping up. There have been dark predictions --mostly wrong -- of worldwide food shortages before. But this one comes from Megan Clark, the head of Australia's national science agency, the Commonwealth Scientific and Industrial Research...Full Story
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