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.
This program will begin at
This program has ended and is being processed for playback.