J.B. MacKinnon, co-author of “The 100 Mile Diet” on his new book “The Day the World Stops Shopping – How Ending Consumerism Saves the Environment and Ourselves”. UK Professor and aviation adviser to governments, Dr. David Lee with the harsh facts about aircraft emissions, what they do in the atmosphere, and the future of flying. Your addiction to shopping and flying – it’s killing Nature and heating the planet. Can we quit these deadly habits?