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.

A Report by the U.S. Global Change Research Program and the Subcommittee on Global Change Research. A Supplement to the President's Budget for Fiscal Year 2010.
A report by the Climate Change Science Program and the Subcommittee on Global Change Research. A supplement to the President's Fiscal Year 2009 Budget. Published 2008.
This CD includes the Program's annual Our Changing Planet reports from FY 2007–2009, plus an 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. A supplement to the President's Fiscal Year 2008 Budget. Published 2007.
A report by the Climate Change Science Program and the Subcommittee on Global Change Research. A supplement to the President's Fiscal Year 2007 Budget. Published 2006.
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).
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. A supplement to the President's Fiscal Year 2003 Budget. Published 2002.