1 Jonathan T. Overpeck is a Collegiate Professor and Dean at the School for Environment and Sustainability, University of Michigan, Ann Arbor, MI, USA. overpeck@umich.edu.
2 Cecilia Conde is a researcher in the Center of Atmospheric Sciences at the National Autonomous University of Mexico (UNAM), Mexico City, Mexico. She was the General Coordinator for Adaptation to Climate Change during the former Mexican Government, from 2013 to 2017. conde@unam.mx.