Sam White is Associate Professor of Environmental History at the Ohio State University, USA and author of the award-winning book The Climate of Rebellion in the Early Modern Ottoman Empire (2011), among other publications. He is also co-founder and director of the Climate History Network.Christian Pfister is Professor Emeritus and Senior Researcher at the Oeschger Centre for Climate Change Research at the University of Bern, Switzerland. He has published 11 books and more than 200 articles. He is co-founder of the European Society for Environmental History (ESEH).Franz Mauelshagen is a Senior Fellow at the Institute for Advanced Sustainability Studies in Potsdam, Germany. He has published several books, including the award-winning Wunderkammer auf Papier (A Cabinet of Curiosities on Paper, 2011), and more than 50 articles on the history of science, disasters, climate, and the Anthropocene.