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.

Achieving food security for all people everywhere is a widely agreed upon international objective, most recently codified in the United Nations Sustainable Development Goals for 2030. This report describes the potential effects of climate change on global food security and examines the implications of these effects for the United States.
This U.S. Climate Action Report 2010 (2010 CAR) sets out the major actions the U.S. government is taking at the federal level, it highlights examples of state and local actions, and outlines U.S. efforts to assist other countries’ efforts to address climate change.
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.
A practical guide to help Midwestern farmers understand and respond to a changing climate.
4-page Companion Brochure of the Global Climate Change Impacts in the United States. A report of the U.S. Global Change Research Program. Published in 2009.
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.