Renee N. Salas, MD, MPH, MS is an attending physician in the Department of Emergency Medicine and an Assistant Professor of Emergency Medicine at Harvard Medical School (HMS). She is also a Yerby Fellow at the Center for Climate, Health, and the Global Environment (C-CHANGE) at the Harvard T.H. Chan School of Public Health and Affiliated Faculty and a previous Burke Fellow at the Harvard Global Health Institute (HGHI).Dr. Salas has served as the lead author of the Lancet Countdown on Health and Climate Change U.S. Brief since 2018 and founded and leads its Working Group of over 70 U.S. organizations, institutions, and centers working at the nexus of climate change and health.