Book excerpt: Risk in Extreme Environments presents a wide-ranging discussion of approaches for assessing and managing extreme risks. The book includes case studies on nuclear power, infectious diseases, and global catastrophic risks, in addition to sections on risk assessment, risk management, and risk perceptions, and brings together interdisciplinary perspectives from a range of experts. Risk in Extreme Environments is an accessible and valuable resource for risk managers and other decision makers responsible for large complex business and government decisions, while also providing enough detail and references to be informative for risk analysts interested in learning more about technical aspects of the various methods.