This link contains an archive of the U.S. National Climate Assessments. These were retrieved, mostly, from USGCRP websites in April, 2025. Known gaps were filled with downloads from other federal websites.
I believe it to be complete. If there are other documents you would like hosted here, please contact me.
Feel free to take a copy and make your own Little Free Library.
Some of these files are very large and will not open in preview mode. They need to be downloaded.
NCA-5
Fifth National Climate Assessment
- NCA-5 (2023) Full Report
- NCA-5: Interactive Atlas hosted at ESRI
- NCA-5: Fifth National Climate Assessment – All Reports and Media
NCA-4
Fourth National Climate Assessment | Volume I: Climate Science Special Report
Fourth National Climate Assessment | Volume II: Impacts, Risks, and Adaptation in the United States
NCA-3
Climate Change Impacts in the United States
NCA-2
Global Climate Change Impacts in the United States
Second State of the Carbon Cycle Report
The Impacts of Climate Change on Human Health in the United States: A Scientific Assessment
Climate Change Global Food Security and the U.S. Food System
Climate Change Study Program Strategic Plan
NCA-1
Climate Change Impacts on the United States: The Potential Consequences of Climate Variability and Change
- NCA-1 (2000) NCA 2000 Report “Overview” (Retrieved from USGCRP April, 2025. This document says “Overview.” The regional and sector reports are short summaries.)
- NCA-1 (2000) NCA 2000 Report “Foundation” (noaa_61649_DS1, Retrieved from NOAA Library July, 2025. This document says “Foundation.” The regional and sector reports are longer than in the “Overview”. )
- NCA-1 (2000) NCA 2000 Report Coastal Marine Sector (noaa_1716_DS1, Retrieved from NOAA Library July, 2025. )