Summarizing : The first chapter provides an overview of the concept of risk and its increasing significance in contemporary society. It discusses the various ways in which risks are categorized and the factors that influence risk perception. The chapter argues that risk management has become a major concern for governments, and that they have developed various strategies to manage risks, including regulation, information dissemination, and the creation of new institutions. Meanwhile the second chapter, explores the concept of risk regulation regimes, which refers to the different ways in which governments regulate risks. The chapter identifies three broad categories of risk regulation regimes: command and control, negotiated regulation, and self-regulation. It discusses the characteristics of each regime and their advantages and disadvantages. The chapter also examines how different regimes have been used to regulate specific risks, such as environmental risks, food safety, and financial risks. Finally, the chapter argues that risk regulation regimes are shaped by a variety of factors, including political ideology, public opinion, and technological developments.