Wayne Roberts puts under the microscope a global food system that is under strain from climate change and from economic disaster.

He shows how a world food system based on supermarkets and agribusiness corporations is unsustainable and looks at new models of producing healthy food from all over the world.

Wayne Roberts is a leading North American writer, activist and practitioner in community food security. Author and columnist for NOW Magazine, he's on the board of the Community Food Security Coalition and Food Secure Canada, and coordinates the Toronto Food Policy Council, the most respected city food group in the world.