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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

AMAP Assessment 2015: Black carbon and ozone as Arctic climate forcers

This assessment report presents the results of the 2015 AMAP Assessment of Black Carbon and Ozone as Arctic climate forcers. This assessment complements a separate 2015 AMAP assessment of methane as an Arctic climate forcer. 

Arctic Ocean Acidification 2013: An Overview

This Overview Report presents a summary of the first comprehensive assessment of Arctic Ocean Acidification conducted by the Arctic Monitoring and Assessment Programme (AMAP).

 

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

The National Climate Assessment summarizes the impacts of climate change on the United States, now and in the future. A team of more than 300 experts guided by a 60-member Federal Advisory Committee produced the report, which was extensively reviewed by the public and experts, including federal agencies and a panel of the National Academy of Sciences. The report can...

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.

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.

Trends in Stockholm Convention Persistent Organic Pollutants (POP) in Arctic Air, Human Media and Biota

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.

Vistas of African Science: Advancing Knowledge through START's Grants for Global Environmental Change in Africa Program

This report highlights eight years of START’s Africa Global Environmental Change (GEC) Grants Program, focusing on the significance and development of the program for GEC research in Africa and the major accomplishments of grant award recipients from 2004 to 2012.

Arctic Ocean Acidification Assessment: Summary for Policymakers

Ocean acidification is occurring at a rapid and accelerating pace, and the Arctic Ocean is on the frontline of this global change. AMAP’s 2013 assessment of Arctic Ocean acidification provides the first Arctic-wide perspective on today’s progressively increasing seawater acidity.

Global Climate Change Impacts in the U.S. [Companion Brochure]

4-page Companion Brochure of the Global Climate Change Impacts in the United States. A report of the U.S. Global Change Research Program. Published in 2009.

Global Climate Change Impacts in the U.S. [Highlights Booklet]

20-page Highlight Booklet of the Global Climate Change Impacts in the United States. A report of the U.S. Global Change Research Program. Published in 2009.

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