… 2024 This annual Policy Brief is supported by a diverse group of health experts from institutions, organizations, and centers who recognize that climate change is … and foremost a health crisis. It uses indicator data for the United States (U.S.) from the global Lancet Countdown report and recent scientific studies to expose the … 2024 This annual Policy Brief is supported by a diverse group of health experts from institutions, organizations, and centers who recognize that climate change is …