The book "Risk Governance" offers a comprehensive analysis of the complex interconnections between politics, ecology, and risk. It highlights the structural factors, processes, and actors that influence decision-making in risk scenarios. The first section is dedicated to risk governance in an increasingly complex and dynamic environment, addressing topics such as the challenges of governance in a risk society and the role of decentralization. The second part focuses on specific regions and areas of risk, including the governance of climate risks and the challenges in urban megastructures. Finally, the third section discusses perspectives for the further development of risk governance, with a focus on the transition from a risk society to a security society. This academic book is aimed at professionals and students seeking a deeper understanding of the dynamics of risk governance.