Will Liddell talks to Helen Browning OBE, CEO of the Soil Association, about the origins of the organic movement, her career in farming and campaigning and the role of the Soil Association. Support for the principles of the organic movement has gathered a lot of momentum with increased concern about climate change, the carbon footprint of food production and the challenges we face to persuade people to move from a diet of ultra-proccessed food to one that is healthier and more sustainable.