The Fifth National Climate Assessment (NCA5), released in November 2023, is the US Government’s preeminent report on climate change impacts, risks, and responses. It is a congressionally mandated interagency effort that provides the scientific foundation to support informed decision-making across the United States.

Source: USGCRP, 2023: Fifth National Climate Assessment. Crimmins, A.R., C.W. Avery, D.R. Easterling, K.E. Kunkel, B.C. Stewart, and T.K. Maycock, Eds. U.S. Global Change Research Program, Washington, DC, USA. https://doi.org/10.7930/NCA5.2023

NCA5 Resources

• About the Report
• NCA5 Website
• Climate Trends Chapter
• Midwest Chapter
• Midwest Chapter Handout
• NCA5 Interactive Atlas
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