[1] UCL, Dept Polit Sci, Publ Policy, London, England
[2] UCL, Global Governance Inst, London, England
[3] Univ Sussex, Business Sch, Sci Policy Res Unit SPRU, Adv Energy Studies, Brighton, England
[4] Univ Sussex, Business Sch, Sussex Energy Grp, Brighton, England
[5] UCL, Dept Polit Sci, Global Governance, London, England