A great conversation here with Brian Fagan professor of Archaeology at University of California in Santa Barbara, author of many of my favorite books on early civilizations and climate and environmental histories. From Cambridge to Zambia to the socio-economic ripples into neo-determinism and stalking wild animals. Here we discuss his latest book Climate Chaos and many of his works; The Long Summer, Intimate Bond , The Complete Ice Age and others. We explore a range of my other favorite authors and books related to Brian's field of work. In his words here is our: "study of humans as a multi-disciplinary enterprise, enjoy!