In the last of the summer series of panel discussions at Borough Talks, Tim Lang, professor of food policy at City University asks an expert panel about the true cost of the food we eat? The panel includes Robin Gill, chef-proprietor of The Dairy, The Manor, Counter Culture and Paradise Garage; Patrick Holden, founder of the Sustainable Food Trust; Donald Hyslop, head of regeneration and community partnerships at Tate Modern and chair of the Trustees of Borough Market; Carolyn Steel, author of Hungry City: How Food Shapes Our Lives; and Richard Swannell, development director of WRAP.