Summary: Guest Brian Fagan, emeritus professor of Anthropology, University of California, Santa Barbara, speaks with Diane Horn about his book, "The Great Warming: Climate Change and the Rise and Fall of Civilizations."
Summary: Guest Brian Fagan, emeritus professor of Anthropology, University of California, Santa Barbara, speaks with Diane Horn about his book, "The Great Warming: Climate Change and the Rise and Fall of Civilizations."