Study Predicts Doubling of US Heat-Related Hospitalizations by 2040 Amid Rising Temperatures
A recent study published in the American Geophysical Union journal GeoHealth forecasts a significant increase in heat-related hospitalizations in the United States over the next 15 years. The research estimates that annual emergency department visits or hospitalizations due to heat-related illnesses could rise from approximately 109,000 cases to as many as 237,000 by 2040. This surge is expected to nearly double the annual healthcare costs for these conditions to over $1 billion. The study highlights that severe heat currently causes more fatalities in the US than all other extreme weather events combined, with a notable increase in deaths over the past two decades. Vulnerable populations, including those unable to afford air conditioning, outdoor workers, and individuals with pre-existing health conditions, are at heightened risk. The study examined 53 major US metropolitan areas, projecting the impact of heat-related illnesses under various scenarios of greenhouse gas emissions. 
