Professor Dowlatabadi joins Ross and Christophe to share his frustration with the lack of evidence-based policy employed by governments as well as the Intergovernmental Panel on Climate Change temperature targets. He offers his insight on geoengineering, explaining why he is so confident in its inevitability. We debate the ‘unobtainable goals’ of Elon Musk and compare Nori with Professor Dowlatabadi’s 2005 Offsetters program.