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

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.
This report was prepared as part of the United States National Climate Assessment and part of the President's Climate Action Plan (PCAP). USDA led the production of the report on behalf of the thirteen Federal Agencies of the U.S. Global Change Research Program. Thirty-one authors and contributors-- representing nineteen federal, academic, nongovernmental, and intergovernmental institutions in four countries-- prepared the...
This report summarizes discussions from a workshop of users and producers of land-use and land-cover (LULC) scenarios, convened by USGCRP's Scenarios and Interpretive Science Coordinating Group on June 25-27, 2014.
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.
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.
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.
The Effects of Climate Change on Agriculture, Land Resources, Water Resources, and Biodiversity. A Report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research.