'In this compelling book, Professor Lin demonstrates the rise of global cities as forces in the generation of transnational legal norms. As she demonstrates, global cities are not merely engaging in action that suggests the inadequacy of classical accounts of international lawmaking; they are doing so self-consciously. This is truly a new phase in the field of international law, and its recognition and demonstration by Lin is profound.' Douglas A. Kysar, Yale Law School, Connecticut
1. Global cities, climate change and transnational lawmaking; 2. Theoretical framework; 3. The rise of the city in international affairs; 4. City action on climate change; 5. Transnational urban climate governance via networks – the case of C40; 6. Cities as transnational lawmakers; 7. A normative assessment of urban climate law; 8. Conclusion.