Infectious Diseases in a Changing Climate March 20, 2024

Matthew C. Phillips, MD, PhD; Regina C. LaRocque, MD, MPH (Greater Boston PSR); George R. Thompson III, MD | JAMA Insights

Climate change is happening now. Nine of the 10 hottest years on record have occurred in the past decade and were accompanied by extreme heat waves, droughts, wildfires, hurricanes, and severe flooding. Primarily due to greenhouse gases released via combustion of fossil fuels, global average temperatures between 2011 and 2020 increased to 1.1 °C (approximately 1.9 °F) above preindustrial levels and are estimated to increase to 1.5 °C (approximately 2.7 °F) by 2040.

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