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Reports Library

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). 

Please note that we are currently experiencing shipping delays of at least two weeks. Thank you for your patience.

Fourth National Climate Assessment Vol I + II

The Fourth National Climate Assessment (NCA4), completed in November 2018, is a comprehensive and authoritative report on climate change and its impacts in the United States. 
NCA4 Vol II: Impacts, Risks, and Adaptation in the United States
Explore on the web
Download the report and related materials
View or request a free copy of the Overview
View or request a free copy of the Report-in-Brief
Ver o solicitar una copia impresa gratuita del Informe Resumido 
NCA4 Vol I: Climate Science Special Report
Explore on the web
Download the report and related materials
View or request a free copy of the Executive Summary

 

Other Popular Reports

  • Our Changing Planet: The U.S. Global Change Research Program for Fiscal Year 2021
  • 2nd State of the Carbon Cycle Report (SOCCR2)
  • The Impacts of Climate Change on Human Health in the United States: A Scientific Assessment
  • The National Global Change Research Plan 2012-2021: A Triennial Update
  • National Global Change Research Plan 2012–2021

Adaptation Actions for a Changing Arctic (AACA), Barents Area Overview Report

The Adaptation Actions for a Changing Arctic (AACA) initiative provides combined stakeholder engagement and science-based information that can ultimately be incorporated and interpreted into useful and useable knowledge for making effective adaptation actions within a rapidly changing Arctic. 
 
This report presents an overview of the findings of the AACA Barents Area pilot study for policy-makers. ...

Chemicals of emerging Arctic Concern, Summary for Policymakers (CEAC)

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. 

Adaptation Actions for a Changing Arctic (AACA): Baffin Bay/Davis Strait Region, Overview Report.

The Adaptation Actions for a Changing Arctic (AACA) initiative provides combined stakeholder engagement and science-based information that can ultimately be incorporated and interpreted into useful and useable knowledge for making effective adaptation actions within a rapidly changing Arctic. 
 
This report presents an overview of the findings of the AACA Baffin Bay/Davis Strait Region pilot study for policy-makers. ...

Snow, Water, Ice and Permafrost in the Arctic (SWIPA) 2017

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). 

Adaptation Actions for a Changing Arctic(AACA ): Perspectives from the Bering/Chukchi/Beaufort Region

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...

Adaptation Actions for a Changing Arctic (AACA): Perspective from the Barents Area

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...

Climate Science Special Report: Fourth National Climate Assessment (NCA4), Volume I

Climate Science Special Report: Fourth National Climate Assessment, Volume I

As a key part of the Fourth National Climate Assessment (NCA4), the U.S. Global Change Research Program (USGCRP) oversaw the production of this stand-alone report of the state of science relating to climate change and its physical impacts.

The Climate Science Special Report (CSSR) is designed to be an authoritative assessment of the science of climate change, with a focus on...

Executive Summary: Climate Science Special Report: Fourth National Climate Assessment (NCA4), Volume I

CSSR Cover

As a key part of the Fourth National Climate Assessment (NCA4), the U.S. Global Change Research Program (USGCRP) oversaw the production of this stand-alone report of the state of science relating to climate change and its physical impacts.

The Climate Science Special Report (CSSR) is designed to be an authoritative assessment of the science of climate change,...

Multi‐Scale Economic Methodologies and Scenarios Workshop

 Multi‐Scale Economic Methodologies and Scenarios Workshop
In a workshop on April 20 and 21, 2016, USGCRP's SISCG brought together 20 experts from the federal government, the national laboratories, and academia to tackle the overarching science question: 
 
How might the economic character of the United States evolve at time scales ranging from annual to decadal, at spatial scales ranging from national to local, and  taking into account the...

The Impacts of Climate Change on Human Health in the United States: A Scientific Assessment

The Impacts of Climate Change on Human Health in the United States: A Scientific Assessment

The U.S. Global Change Research Program (USGCRP) Climate and Health Assessment has been developed to enhance understanding and inform decisions about the growing threat of climate change to the health and well-being of residents of the United States. This scientific assessment is part of the ongoing efforts of USGCRP’s sustained National Climate Assessment (NCA) process and was called for under...

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