THE past four years have seen the worst economic crisis since the 1930s and the biggest food-price increases since the 1970s. That must surely have swollen the ranks of the poor.

Azad Essa

Millions of people in up to five West African countries will face a food crisis in early 2012 if early warning systems are ignored, the United Nations and aid officials say.

Fiona Harvey

Group of leading scientists urge investment in sustainable agriculture to solve hunger crisis and reduce global warming