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WORLD: Biofuels driving food prices up

Updated August 13, 2007 12:50:18

A decade ago, much was made of the potential for so-called bio-fuels to save the world from global warming. Biofuels -- which come from plants like corn and wheat - are supposed to be carbon-neutral.

Presenter: Corinne Podger
Speakers: Gustavo Best, UN Food and Agricultural Organisation