Brian Fagan is the New York Times bestselling author of several books including The Great Warming: Climate Change and the Rise and Fall of Civilizations, Little History of Archaeology, Fishing: How the Sea Fed Civilization, The Little Ice Age: How Climate Made History 1300-1850, The Attacking Ocean: The Past, Present, and Future of Rising Sea Levels, The Long Summer: How Climate Changed Civilization and Cro-Magnon: How the Ice Age Gave Birth to the First Modern Humans.