Hospitals and health systems, particularly in the most industrialized settings, make a significant impact on the climate. In the United States alone, health care contributes 8 percent of the country’s greenhouse gas emissions.
Globally, communities are already suffering health impacts of climate change as a result of extreme weather, disruption of food and water supplies, wildfires, air pollution, mass migration and changes in prevalence of diseases — such as those borne by insects — all resulting in health consequences including asthma, cardiovascular disease and mental health problems, among many others.
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