Providing a unified theoretical framework, the contributors to this volume utilise argumentation research, broadening the concept by identifying the concerns about agency, lifeworld and shared reasoning that different strands of argumentation research have in common. Furthermore, they develop the concept of argumentative deontology in order to make sense of the processes through which argumentation comes to shape global governance. Empirically, the book demonstrates how ideas define actors’ interests, shape their interactions with each other, and ground intentions for collective action. Normatively, it provides an excellent theoretical platform for unveiling less visible manifestations of power in global politics and thereby improves our understandings of the ethical implications of global ordering. Addressing topical issues such as conflict and inter-civilizational dialogue, decision-making in international regimes and organizations, the World Social Forum, the Women’s Environment and Development Organization and Tobin Tax, this book will be of interest to students and scholars of argumentation theory, globalization and global governance