It’s not just the credit crisis that has been keeping policymakers awake at night. A food crisis is sweeping the world like “a silent tsunami”, as Josette Sheeran of the World Food programme puts it, leaving widespread riots and rattled governments in its wake.

The International Monetary Fund is trying to figure out what to do with the world’s currency problems. Adrian Ash tells us about the goings on with global money policies and which way we can expect things to go. Either way might not be that bad.