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
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...
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 Summary for Policymakers presents key findings and implications of the second SWIPA assessment, conducted from 2010 to 2016 and published in 2017. SWIPA focuses on changes to the Arctic cryosphere (the portion of Arctic land and water that is seasonally or perennially frozen), and the implications of those changes.
This policy summary refers to the most recent AMAP assessment which looks at a wide range of chemicals newly and recently detected in Arctic ecosystems . The report presents the policy-relevant findings of the AMAP 2017 assessments of CEAC.
This report presents the findings of the Snow, Water, Ice, and Permafrost in the Arctic (SWIPA) 2017 assessment performed by the Arctic Monitoring and Assessment Programme (AMAP).