About the Author
Edmond A. Mathez is curator emeritus in the Department of Earth and Planetary Sciences at the American Museum of Natural History. A leading expositor of earth systems science, he co-curated the museum's Gottesman Hall of Planet Earth, the 2008 exhibit Climate Change: The Threat to Life and a New Energy Future, and the 2014 exhibit Nature's Fury: The Science of Natural Disasters. Jason E. Smerdon is a Lamont Research Professor at the Lamont-Doherty Earth Observatory, an Earth Institute faculty member, and the co-director of the Undergraduate Program in Sustainable Development, all at Columbia University. He is a leading researcher on climate variability and change over the last 2,000 years.