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Can the world produce enough food to sustain its growing population?

Even today one billion people are said to be starving. So, what will happen when the world's population increases from around seven billion to nine billion?

Are there solutions available or are we faced with a future where hundreds of millions will die of hunger, where mass migration is the only escape and where food riots will become commonplace?

As food prices reach a record high, Sir David talks to a panel of experts about the issue of feeding the world's growing population.

He is joined by: Sir Gordon Conway, the former chief scientist for the British government; Matt Ridley, a food crisis 'sceptic'; Duncan Green from Oxfam; and Olympic champion and UN food ambassador, Carl Lewis.

This episode of Frost Over the World aired from Friday, February 4, 2011.

Source: Al Jazeera