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Page last updated at 13:13 GMT, Wednesday, 16 April 2008 14:13 UK

How do we solve the food crisis?

The short-term consequence of the food price spiral is that even if donors can be persuaded to stump up the money, the emergency aid will buy less and less. Longer term, 400 experts backed by some of the most powerful UN organisations who've spent five years thinking about it, say the current system can't last.

Agriculture represents almost one third of all greenhouse gas emissions. Yet malnutrition remains rife in many parts of the world.

The International Assessment of Agricultural Knowledge, Science and Technology for Development 2,500 page report sends a clear message to governments - "Something's gotta change." But to what? Science editor Susan Watts reports.

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