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.

Temperature Trends in the Lower Atmosphere: Steps for Understanding and Reconciling Differences. A Report by the Climate Change Science Program and the Subcommittee on Global Change Research, Washington, DC.
Our Changing Planet. The U.S. Climate Change Science Program for FY 2006 [2005]. A Report by the Climate Change Science Program and the Subcommittee on Global Change Research.
Our Changing Planet. The U.S. Climate Change Science Program for FY 2006. A Report by the Climate Change Science Program and the Subcommittee on Global Change Research. The CD includes an image collection with many of the illustrations in different resolutions (including high resolution).
The U.S. Climate Change Science Program (CCSP) held a workshop on November 14-16, 2005, in the Washington, DC, area, addressing the capability of climate science to inform decision making. The workshop served as a forum to address the Program’s progress and future plans regarding its three decision support approaches.
A report by the Climate Change Science Program and the Subcommittee on Global Change Research. A supplement to the President's Fiscal Years 2004 and 2005 Budget. Published 2004.
Our Changing Planet. The U.S. Climate Change Science Program for FY 2004 and 2005. A Report by the Climate Change Science Program and the Subcommittee on Global Change Research. The CD includes image collection with many of the illustrations in different resolutions (including high resolution).
A report by the Climate Change Science Program and the Subcommittee on Global Change Research. Full report
The vision document provides an overview of the Climate Change Science Program (CCSP) long-term strategic plan to enhance scientific understanding of global climate change.
Includes in both PDF and HTML format: Vision for the Program and Highlights of the Scientific Strategic Plan (41 pages); Strategic Plan for the U.S. Climate Change Science Program (202 pages)
A report by the Climate Change Science Program and the Subcommittee on Global Change Research. A supplement to the President's Fiscal Year 2003 Budget. Published 2002.