
Prices of food have reached record levels. At the current rate, 600 million people will be hungry by 2020 – that's ten times the population of the UK. Combined with longer-term problems like rain and crop failure, we're now facing a serious crisis.
The issue is already being played out in food riots across the globe; Mexico, Egypt, Tanzania and Senegal have all seen their people take to the streets.
Climate change, high oil prices, increased demand from China and India, population growth and the growing pressure for biofuels are just some of the reasons for soaring prices.
But there are other factors playing a part, like underinvestment in agriculture, the dominance of big companies, and the mismanagement of agriculture and food policy.
Food prices are threatening the lives of some of the world's most vulnerable people. But they are also an opportunity for governments to act:
Poor country governments have a role to play too. They must invest in agriculture and infrastructure to help put small farmers in a better position to benefit from higher prices. Any they need to be wary of signing up to unfair economic agreements.