"Food security" is the great buzz phrase, espoused by the world's leaders. But what does it mean and does it make sense? Should countries try to reduce imports of food and grow their own? Show more
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"Food security" is the great buzz phrase, espoused by the world's leaders. But what does it mean and does it make sense? Should countries try to reduce imports of food and grow their own? Show more
The BBC's international radio station
