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BBC Two's Future of Food - http://news.bbc.co.uk/2/hi/americas/8213617.stm
August 2009

Climate change, drought, population growth - they could all threaten future food supplies. But global agriculture, with its dependence on fuel and fertilizers is also highly vulnerable to an oil shortage, as Cuba found out 20 years ago.

Around Cuba's capital Havana, it is quite remarkable how often you see a neatly tended plot of land right in the heart of the city.

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