Gabe and Rick converse with best selling author Mark Lynas about his most recent book, ‘Our Final Warning: Six Degrees of Climate Emergency’. Mark Lynas is a visiting fellow at Cornell University, an author, journalist and environmental activist who focuses on climate change. He is a contributor to The Guardian, NY Times, Washington Post, and CNN. He is the author of several books on the environment, including High Tide, Six Degrees, The God Species, Nuclear 2.0 and Seeds of Science.