How Climate Change Impacts Health

Direct and Indirect Health Impacts of Drought in the U.S.

Climate change is causing more severe heat waves and hurricanes, amplifying droughts and intensifying wildfires. While everyone's health is at risk, certain populations bear a greater burden. This image from The Lancet Countdown shows how droughts can affect our health through many ways and how the impacts are not felt equally in the U.S.

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)Lancet Countdown illustration of how climate change negatively affects health

*Source: Salas RN, Lester PK, Hess JJ. Lancet Countdown, 2021: 2021 Lancet Countdown on Health and Climate Change Policy Brief for the United States of America. The Lancet. 20 October 2021.  

The Lancet Countdown Reports

The 2021 Lancet Countdown on Health and Climate Change: Code Red for a Healthy Future (report)

The 2021 Lancet Countdown on Health and Climate Change: Policy Brief for the U.S. (report)

Past Policy Brief reports and appendixes: The Lancet Countdown on Health and Climate Change

Adaptation in Action 

States across the nation are taking action to reduce the effects of climate change on health.

Adaptation in Action: Grantee Success Stories from CDC's Climate and Health Program (PDF) 

More Resources

Climate Change Fact Sheets

Climate Change and Lung Health Fact Sheets (PDFs in English and Español)

Climate and Health Adaptation Planning Guide for Michigan Communities

Climate Change and Health in Connecticut 2020 Report (PDF)

Climate Change, Health and Equity: A Guide for Local Health Departments

Evidence on the Use of Indoor Air Filtration as an Intervention for Wildfire Smoke Pollutant Exposure (PDF)

Health Approaches to Climate Change: How do health care providers and public health professionals approach climate change differently? (PDF) 

Successfully Preparing from Climate Change in New York State (PDF) (A story from the field)

The Impacts of Climate Change on Human Health in the United States: A Scientific Assessment (English version) (Spanish version PDF)

Adapt Now: A Global Call for Leadership on Climate Resilience (report)