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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 ): 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 Change Adaptation in United States Federal Natural Resource Science and Management Agencies: A Synthesis

This report, organized under the auspices of USGCRP's Adaptation Science Interagency Working Group, is a snapshot in time (2013-2014) of the status of climate change adaptation in Federal agencies that study and manage land and water resources. 

Highlights of Climate Change Impacts in the United States: The Third National Climate Assessment

NCA3 Highlights cover thumbnail

The 148-page Highlights book presents the major findings and selected highlights from Climate Change Impacts in the United States: The Third National Climate Assessment. The Highlights report is organized around the National Climate Assessment’s 12 Report Findings, which take an overarching view of the entire report and its 30 chapters.

IPCC. Climate Change 2014: Impacts, Adaptation, & Vulnerability

IPCC. Working Group II. Summary for Policymakers.

The two-volume report from the IPCC's Working Group II 1) assesses risks and opportunities for societies, economies, and ecosystems around the world, and 2) considers unique features of major world regions.

IPCC. Climate Change 2014: Impacts, Adaptation, & Vulnerability - Summary for Policymakers

IPCC. Working Group II. Summary for Policymakers.

This report summarizes the Working Group II contribution to the IPCC's Fifth Assessment Report on climate change. It considers the vulnerability and exposure of human and natural systems, the observed impacts and future risks of climate change, and the potential for and limits to adaptation.

IPCC. Climate Change 2014: Synthesis Report

The Synthesis Report synthesizes the main findings of the IPCC's Fifth Assessment Report, based on contributions from Working Group I (The Physical Science Basis), Working Group II (Impacts, Adaptation and Vulnerability), and Working Group III (Mitigation of Climate Change), plus two additional IPCC reports.

Overview of Climate Change Impacts in the United States: The Third National Climate Assessment

NCA3 Overview cover thumbnail

This 20-page booklet provides a high-level compendium of Climate Change Impacts in the United States: The Third National Climate Assessment. The Overview covers the most important impacts at the national level but does not attempt to provide a comprehensive summary of the entire assessment.

Socio-Economic Drivers of Change in the Arctic

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.

U.S. Climate Action Report 2014

Climate Action Report 2014

The 2014 U.S. Climate Action Report fulfills a commitment under the United Nations Framework Convention on Climate Change (UNFCCC) to publish every four years a National Communication that provides a comprehensive report on actions taken to combat climate change and thereby meet the objectives and provisions of the UNFCCC.

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