Air Pollution
Rising heat worsens smog. Burning coal and oil emits carbon and particle pollution; plants produce more allergenic pollen, affecting respiratory health threats like asthma.
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Climate change is one of the most serious public health threats facing the nation, but few people are aware of how it can affect them. Children, the elderly, and communities living in poverty are among the most vulnerable. Click on a state on the map for more information on climate-health threats, actions being taken to prepare communities, and what you can do.
Rising heat worsens smog. Burning coal and oil emits carbon and particle pollution; plants produce more allergenic pollen, affecting respiratory health threats like asthma.
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Heat waves send thousands to emergency rooms and cost health care systems millions of dollars; climate change brings longer, more intense heat waves.
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Hotter summers can make disease-carrying insects more active, for longer seasons; illnesses like dengue, West Nile, and Lyme can spread into new areas.
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Hotter days and nights, and changing rainfall patterns reduce water supply quantity and quality, and diminish food security.
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Climate change intensifies rainfall; heavy rains increase risk of drinking water contamination and illness; floods can force communities to relocate.
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In 2011, thousands of record-breaking extreme weather events harmed communities and health in the US. Climate change is contributing to more intense and frequent extreme weather events.
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