Nyorai kupfuurira kweiyi ndima - Haigh anowirirana nemaonero makuru esayenzi, kuti anthropogenic carbon emissions inotungamirira kukuwedzera kudziya kwegreenhouse. Iye akataura muna Chikumi 2016 kuti kana mazinga azvino e carbon dioxide emissions akaramba asina kuderedzwa, zvaizotungamira ku5 °C kuwedzera pamusoro pekusati kwaita maindasitiri mamiriro ekunze pakupera kwezana ramakore rinotevera, uye kuti kuzadzikisa zero tembiricha kukwira kwaizoda kumira kwakakwana kwekuburitswa kwekabhoni. Akataurawo kuti ane tarisiro yeramangwana, zvichitevera musangano weCOP21
, asi gare gare, apo Donald Trump akava purezidhendi weUnited States, akati: