According to the United Nations, climate change is the defining crisis of our time and is happening more quickly than anticipated. Can critical care professionals be the spark that lights the fire of change? Kyle B. Enfield, MD, FSHEA, FCCM, was joined by Srinivas Murthy, MD, MDCM, MHSc, at the 2023 Critical Care Congress to discuss the intersection of climate change and critical care. Dr. Murthy is a pediatric infectious diseases and intensive care physician at the University of British Columbia in Vancouver British Columbia, Canada. His academic and clinical interests are in emerging and severe infections, innovative clinical trials, and global public health.