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.

Climate Literacy: The Essential Principles of Climate Science presents information that is deemed important for individuals and communities to know and understand about Earth’s climate, impacts of climate change, and approaches to adaptation or mitigation. Principles in the guide can serve as discussion starters or launching points for scientific inquiry.
Executive Summary of SAP Assessment 4.3, one of a series commissioned by the U.S. Global Change Research Program(USGCRP). It examines how climate changes are affecting agriculture, land resources, water resources and biodiversity in the United States.
Past Climate Variability and Change in the Arctic and at High Latitudes. A report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research.
Coastal Sensitivity to Sea-Level Rise: A Focus on the Mid-Atlantic Region. A Report by the U.S. Climate Change Science Program and the Subcommittee on
Best practice approaches for characterizing, communicating, and incorporating scientific uncertainty in decisionmaking: A Report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research.
A practical guide to help Midwestern farmers understand and respond to a changing climate.
Climate Literacy: The Essential Principles of Climate Science is an interagency guide that provides a framework and essential principles for formal and informal education about climate change. It presents important information for individuals and communities to understand Earth's climate, impacts of climate change, and approaches for adapting and mitigating change. Principles in the guide can serve as discussion starters or...
Climate Literacy: The Essential Principles of Climate Science [Spanish version] is an interagency guide that provides a framework and essential principles for formal and informal education about climate change. It presents important information for individuals and communities to understand Earth's climate, impacts of climate change, and approaches for adapting and mitigating change. Principles in the guide can serve as discussion...
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.