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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). 

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
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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
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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 2017
  • The National Global Change Research Plan 2012-2021: A Triennial Update​​
  • The Impacts of Climate Change on Human Health in the United States: A Scientific Assessment​
  • National Global Change Research Plan 2012–2021
  • IPCC. Climate Change 2014: Synthesis Report

National Climate Assessment - Scenarios for Research and Assessment of Our Climate Future

The National Climate Assessment (NCA) Report Series summarizes regional, sectoral, and process-related workshops and discussions being held as part of the Third NCA process. The workshop on scenarios for research and assessment of our climate future was held in Arlington, Virginia on December 6-8, 2010. Volume 6 of the NCA Report Series summarizes the discussions and outcomes of this workshop.

National Climate Assessment: Physical Climate Indicators Workshop Report

This workshop focused on monitoring changes in the physical climate system, as part of a series that includes workshops on the impacts of climate change on ecosystems and socioeconomic systems. The workshop was held in Washington, D.C. on March 29-30, 2011.

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