It is still with us and not hard to find, from food prices in supermarkets worldwide to hunger in the Pacific, Asia and Africa. There were food riots in Africa and South-East Asia this year, and the crisis was linked to the fall of the Haitian government. Unless its causes are dealt with, it will worsen in the years to come. [...] When India switched to GM cotton, it increased productivity by 75pc in four years. It went from a net importer of cotton to the world’s second-largest exporter. None of us know if such gains will come from other crops, but ignoring the potential of genetic modification puts superstition ahead of science.