Introduction; 1. On power and illusion: the concept of transparency in international law / Andrea Bianchi; Part I. International Environmental Law: 2. Transparency and international environmental institutions / Jutta Brunnée and Ellen Hey; 3. Global or European only?: International law on transparency in environmental matters for members of the public / Jonas Ebbesson; Part II. International Economic Law: 4. Transparency in international financial institutions / Luis Hinojosa Martinez; 5. Institutional transparency in the WTO / Panagiotis Delimatsis; 6. Transparency in international investment law: the good, the bad, and the murky / Julie Maupin; 7. Transparency and exchange of information in international taxation / Carlo Garbarino and Sebastiano Garufi; 8. Transparency and intellectual property protection in international law / Thomas Cottier and Michelangelo Temmerman; Part III. International Human Rights Law: 9. The human right to information as a vehicle for transparency / Jonathan Klaaren; 10. Transparency at home: how well do governments share human rights information with citizens? / Cosette Creamer and Beth A. Simmons; Part IV. International Health Law: 11. Institutional transparency in global health law-making: the World Health Organization and the implementation of the international health regulations / Emily Bruemmer and Allyn Taylor; Part V. International Humanitarian Law: 12. Behind the flag of Dunant: secrecy and the compliance mission of the International Committee of the Red Cross / Steven R. Ratner; 13. How much secrecy does warfare need? / Orna Ben-Naftali and Roy Peled; Part VI. International Peace and Security Law: 14. Transparency in the Security Council / Antonios Tzanakopoulos; 15. Transparency as a cornerstone of disarmament and non-proliferation regimes / Mirko Sossai; Part VII. Cross-cutting Issues: 16. Transparency in international law-making / Alan Boyle and Kasey McCall-Smith; 17. Transparency in international adjudication / Thore Neumann and Bruno Simma; 18. Transparency and business in international law: governance between norm and technique / Larry Catá Backer; 19. Power and the public: the nature and effects of formal transparency policies in global governance institutions / Megan Donaldson and Benedict Kingsbury; Conclusion: 20. Towards transparency as a global norm / Anne Peters.