The President of the World Bank, Robert B Zoellick, is to deliver the biennial Roskill Lecture at Cambridge University's Churchill College this evening, one of the most prestigious events in the University calendar.
In the third of a series of reports contributed by Cambridge researchers, geographer Dr Sarah Radcliffe describes her work with women from impoverished indigenous communities in Ecuador.
How can we feed the world's expanding population? Should we be using GM technologies more to boost the yield of our crops? How will global warming affect our food resources? If this type of question has ever occurred to you, now is your chance to get some answers, from leading experts in the field.