This book contributes to the ongoing debate in IR on the role of security communities and formulates a new mechanism-based analytical framework.

It argues that the question we need to ask is how security communities work at a time when armed conflicts among states have become significantly less frequent compared to other non-military threats and trans-boundary risks (e.g. terrorism and the adverse effects of climate change). Drawing upon recent advances in practice theory, the book suggests that the emergence and spread of cooperative security practices, ranging from multilateral...