The Great Challenge: Farming, Food and Climate Change

Michael Pollan, food journalist and author of The Omnivore's Dilemma, Food Rules and Cooked, speaks about the connection between climate change and food systems. Food is a key driver of climate change, responsible for between 20–30% of greenhouse gases, but agriculture could also hold the potential not just to mitigate these impacts, but to actually help remove carbon from the atmosphere in large quantities.