A silent tsunami of food shortages is sweeping the world. And it could have an overwhelmingly greater impact on world trade than the much-hyped credit crunch.

Such is the opinion of Josette Sheeran, of the World Food Programme, a United Nations agency, as reported in The Economist last week.

There are big ramifications for UK farming as this wave of food price inflation moves around the world, as discusssed on the Farmers Weekly Food for Thought blog today.