1. Columbia Law School, Columbia University, New York, NY 10027, USA;
2. Network for Education and Research on Peace and Sustainability, Hiroshima University, Hiroshima 739-8530, Japan;
3. The Earth Institute, Columbia University, New York, NY 10027, USA
4. Human Rights Watch, New York, NY 10118, USA;
5. Earth and Environmental Systems Institute, Pennsylvania State University, State College, Pennsylvania 16801, USA;
6. School of Law, New York University, New York, NY 10012, USA;