The Weekly Tradecast looks at the global trade in food and why developing countries must move up the value chain to help drive the sustainability of what we eat with Jennifer Clapp, Canada Research Chair in Global Food Security and Sustainability. Crises, conflicts and climate change are all affecting how and where our food is grown, processed and shipped. At the same time, the global food system is dominated by a few huge companies that shape policies, trade and development. Listen in to Jennifer Clapp, Professor at the University of Waterloo, to see how the Global South can play a bigger role in supply chains and a sustainable food future.