The world is changing rapidly, and there are increasing calls for international legal responses. There is and will be increasing social change in areas such as globalization, development, demography, democratization, and technology. Because of this change, international relations does and will occupy an expanding proportion of the concerns of citizens and the responsibilities of states. This will drive greater production of international law and organizational structures. The resulting denser body of law and organizations will take on more prominent governmental functions. It is in this sense that the future of international law is global government. This book draws together the theoretical and practical aspects of internationalcooperation needs and legal responses in critical areas of international concern. On this basis, the book predicts that amore extensive, powerful, and varied international legal system will be needed to cope with future opportunities and challenges. Joel P. Trachtman is Professor of International Law at The Fletcher School of Law and Diplomacy at Tufts University. The author of more than eighty scholarly publications, Professor Trachtman has written books including The International Law of EconomicMigration: Toward the Fourth Freedom (2009); Ruling the World: Constitutionalism, International Law, and Global Governance (2009); Developing Countries in the WTO Legal System (2009); The Economic Structure of International Law (2008); and International Law and International Politics (2008). He has consulted for the United Nations, the Organization for Economic Cooperation and Development, the Asia-Pacific Economic Cooperation organization, the World Bank, the Organization of American States, and the U.S. Agency for International Development. He has served as a member of the boards of the American Journal of International Law, the European Journal of International Law, the Journal of International Economic Law, the Cambridge Review of International Affairs, and the Singapore Yearbook of International Law.