Fourth National Climate Assessment Released

Dec. 7, 2018
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On Friday, November 23rd, Volume II of the Fourth National Climate Assessment (or NCA4) was released. The report, titled Impacts, Risks, and Adaptation in the United States, is a product mandated by the Global Change Research Act of 1990. Volume I of NCA4, The Climate Science Special Report, was released in November 2017.

NCA4 Volume II is an authoritative assessment of climate change impacts, risks, and adaptation across the United States. This most recent version of the report contains three new national-level chapters on Air Quality; Climate Effects on U.S. International Interests; and Sector Interactions, Multiple Stressors, and Complex Systems. It also has a new regional chapter on the U.S. Caribbean. 

Particularly exciting is the fact that six researchers from the University of Arizona contributed to producing this report including Dave BreshearsHeidi BrownJim BuizerGregg GarfinAmanda Leinberger, and Diana Liverman.

Download PDFs of the full report and all chapters