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Professor Sir Gordon Conway, Centre for Environmental Policy, presents the 28th annual Schrödinger lecture. The talk is introduced by Professor James Stirling, Provost of Imperial College London.

Every individual across the globe should have the right and ability to access adequate, safe, and nutritional food at all times. But achieving worldwide food security is not going to be easy. We face growing populations, changing diets, lack of good water and land, and the impact, already being felt, of climate change.

We can do it using the modern tools of agroecology, crop and livestock breeding, and smallholder-centred institutions, but it needs political leadership. Sir Gordon Conway, one of the world’s foremost experts on global food needs, describes the challenges we face and the tools we need to overcome them.