With hundreds of farmers not planting traditional food crops this season, Nkansah believes there is a real risk that the shift to biofuels will result in food shortages.

VOA: standard.2009.08.23

From 1996 to 2010, the shift to biotech crops reduced carbon emissions by 19.4 billion kilograms, the equivalent of removing 8.6 million cars from the road for a year.

FORBES: The New York Times' Mark Bittman Offers Poisoned Food For Thought

Great swathes of farmland in northern China devoted to growing wheat will over time shift to high-value crops, such as vegetables and fruit.

ECONOMIST: The real leap forward