This article provides an overview of the report. We explain why a certain level of global warming is locked in and illustrate the kinds of physical changes that we can expect as a result. We examine closely four of the report’s nine case studies, showing how physical change might create significant socioeconomic risk at a local level. Finally, we look at some of the choices most business leaders will have to confront sooner than later. Now you can assess the risk. What do you have to lose?