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).
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This report is the contribution of Working Group III to the IPCC’s Fourth Assessment Report. It includes a detailed assessment of costs and potentials of mitigation technologies and practices, implementation barriers, and policy options for key sectors such as energy and agriculture.
This report synthesizes the contributions of Working Groups I, II, and III to the IPCC’s Fourth Assessment Report, and also draws on recent IPCC Special Reports. It draws together policy-relevant scientific, technical, and socioeconomic information related to climate change, with the goal of assisting governments and other decision makers in formulating and implementing responses.
Scenarios of Greenhouse Gas Emissions and Atmospheric Concentrations. Sub-report 2.1A of Synthesis and Assessment Product 2.1 by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research.
This report summarizes a workshop that focused on two case studies to provide different perspectives on multiple environmental stressors: 1) drought; 2) atmosphere-ecosphere interactions. Workshop participants identified the development of comprehensive regional frameworks for conducting environmental studies as a key part of understanding multiple environmental stresses.
Report from the U.S. Climate Change Technology Program.
Includes the full report, technical summary, and summary for policymakers.
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.
The United States of America's Third National Communication under the United Nations Framework Convention on Climate Change.
This CD contains all four volumes of the IPCC Third Assessment Report in HTML and PDF formats.