Climate Change Science
The earth’s climate is changing. Multiple lines of evidence show changes in our weather, oceans, ecosystems, and more. EPA is committed to providing the most up-to-date and accurate climate-science information, including basics, causes, indicators, and impacts of climate change.
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Basics
Learn about some of the key, foundational concepts related to climate change.
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Causes
Get to know the main drivers of climate change and how they contribute to a warming climate.
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Impacts
As the climate changes, U.S. regions will experience that change differently.
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Climate Change Indicators
Scientists regularly monitor our environment, and their findings reveal much about how the climate is changing.
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Climate Change Impacts and Risk Analysis
The CIRA project quantifies the physical effects and economic damages of climate change.
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FAQs About Climate Change
EPA has organized answers to some common questions about climate change on a single page.
Related Links
The following links exit the site.
Intergovernmental Panel on Climate Change (IPCC)
The National Academies of Sciences, Engineering, and Medicine
Centers for Disease Control and Prevention: Climate and Health
American Meteorological Society
National Aeronautics and Space Administration (NASA)
National Oceanic and Atmospheric Administration (NOAA)
U.S. Global Change Research Program
- Climate Science Special Report
- Fifth National Climate Assessment
- The Impacts of Climate Change on Human Health in the United States: A Scientific Assessment