This completely revised edition of Global Think Tanks: Policy Networks and Governance provides a clear description of, and context for, the global proliferation of think tanks. It explores the origins, development, and diversity of think tanks and policy networks, discusses past and current issues facing transnational think tanks, and considers the possible future challenges and developments. The updated content reflects recent trends such as globalization, digitalization, diversity, populism, and disinformation; and it also includes a new chapter on the impact of emerging technologies on global think tanks and governance.The book: identifies, maps, and analyzes these phenomena of proliferation, expansion, and networking; provides a primer and a roadmap for global public policy practitioners, participants, and the interested public; illustrates the global growth of think tanks that the world has experienced over the past eight years; analyzes the impact and emerging potential of new technologies and increasing diversity; and considers how global think tanks and policy networks can continue to improve their impact and overall reach. This volume will be of great interest to all students of international relations and international organizations, alongside policy professionals working at think tanks around the world.