[1] Univ Calif Berkeley, Dept Environm Sci Policy & Management, Berkeley, CA 94720 USA
[2] Harvard Univ, Harvard Kennedy Sch, Cambridge, MA 02138 USA
[3] Yale Univ, Yale Sch Environm, New Haven, CT USA
[4] Indiana Univ, Paul H ONeill Sch Publ & Environm Affairs, Bloomington, IN USA
[5] Yale Univ, Yale Law Sch, New Haven, CT USA
[6] Climate Policy Initiat, Washington, DC USA