Fourth National Climate Assessment Vol I + II
NCA4 Vol II: Impacts, Risks, and Adaptation in the United States
NCA4 Vol I: Climate Science Special Report
The Reports Library features scientific assessments, annual reports, strategic research plans, and other resources produced by USGCRP and the collaborative efforts of our member agencies. Select reports by other authoritative scientific bodies with whom we work, such as the Intergovernmental Panel on Climate Change (IPCC) and the National Research Council (NRC), are also accessible here. Most reports are available for download (open and click View); some can be ordered in print free of charge (open and click Add to Cart).
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AMAP, 2019. Arctic Ocean Acidification Assessment 2018: Summary for Policy-Makers
The Report-in-Brief includes plain-language highlights and the technical executive summary.
The Second State of the Carbon Cycle Report (SOCCR2) provides a current state-of-the-science assessment of the carbon cycle in North America and its connection to climate and society. Information from the report is relevant to climate and carbon research as well as to management practices in North America and around the...
The Report-in-Brief consists of the NCA4 Vol. II Front Matter, Overview, and Executive Summaries of each chapter.
Volume II of the Fourth National Climate Assessment focuses on the human welfare, societal, and environmental elements of climate change and variability for 10 regions and 18 national topics, with particular attention paid to observed and projected risks, impacts, consideration of risk...
The Overview is a summary of the findings of NCA4 Vol. II, as presented in Chapter 1 of the full report.
Volume II of the Fourth National Climate Assessment focuses on the human welfare, societal, and environmental elements of climate change and variability for 10 regions and...
This assessment report presents the results of the 2018 Arctic Monitoring and Assessment Programme (AMAP) assessment of Arctic Ocean Acidification. This is the second such assessment dealing with ocean acidification from an Arctic-wide perspective , and complements several assessments that AMAP has delivered over past years concerning the effects of climate change on Arctic ecosystems and people.
This assessment report presents the results of the 2018 AMAP Assessment of the Biological Effects of Contaminants on Arctic Wildlife and Fish. The assessment updates information presented in the AMAP POP's assessment delivered in 2009, specifically with respect to information on biological effects of organohalogenated compunds (OHCs), and the AMAP assessment of Mercury in the Arctic that was delivered in...