Michelle Cain^1,2, Stuart Jenkins³, Nicholas Leach³, John Lynch³, Raymond Pierrehumbert³, David J Frame⁴, Jan S Fuglestvedt⁵, Adrian H Macey⁴ and Myles Robert Allen^1,2, (1)University of Oxford, ECI/School of Geography and the Environment, Oxford, United Kingdom, (2)University of Oxford, Oxford Martin School, Oxford, United Kingdom, (3)University of Oxford, Department of Physics, Oxford, United Kingdom, (4)Victoria University of Wellington, Wellington, New Zealand, (5)Center for International Climate and Environmental Research Oslo, Oslo, Norway