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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This report presents the results of the 2017 AMAP Assessment of Adaptation Actions for a Changing Arctic (AACA).
This is one of the three pilot study regions included in the AACA project. AACA is the first AMAP assessment dealing with adaptation actions and how to meet possible Arctic...
This report presents the results of the 2017 AMAP Assessment of Adaptation Actions for a Changing Arctic (AACA): Perspectives from the Barents Area.
This is one of the three pilot study regions included in the AACA project. AACA is the first AMAP assessment dealing with adaptation actions and how to meet possible Arctic...
This assessment report presents the results of the 2016 AMAP Assessment of Chemicals of Emerging Arctic Concern. This assessment updates the AMAP POPs assessments delivered in 1998, 2002 and 2009, specifically with respect to information on chemicals newly identified in the Arctic environment.
This document presents the policy-relevant findings of the Arctic Monitoring and Assessment Programme's 2015 assessments of short-lived climate forcers (methane, black carbon, and ozone).
This document presents the policy-relevant findings of the Arctic Monitoring and Assessment Programme's 2015 assessments of persistent organic pollutants, radioactivity, and human health in the Arctic.
This Overview Report presents a summary of the first comprehensive assessment of Arctic Ocean Acidification conducted by the Arctic Monitoring and Assessment Programme (AMAP).
The Arctic is undergoing rapid and fundamental change. This report presents an overview of the potential directions of non-climate drivers affecting the Arctic, and explicitly excludes discussion of potential impacts and responses.
This report summarizes results of POP trend-monitoring studies conducted under the auspices of the Arctic Monitoring and Assessment Programme (AMAP) that are relevant to the Stockholm Convention.