Scientists Track Beetles to Stop a Plant Plague
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Modern agriculture is feeding more people more cheaply than ever, with large-scale farms that grow just one or a few crops. But there are risks in this way of feeding the world. A new book explores how large-scale agriculture invites large-scale attacks of pests and diseases. VOA's Steve Baragona met the author, who is enlisting the public to try to stay ahead of the next crop plague.