1. Global Climate Forum , Neue Promenade 6 , 10178 Berlin, Germany
2. Freie Universität Berlin , Lansstr. 7-9 , 14195 Berlin, Germany
3. Global Development Policy Center, Boston University , 53 Bay State Road , Boston, MA 02215, United States
4. School of Oriental and African Studies, University of London , 10 Thornhaugh St , London WC1H 0XG, United Kingdom