I watched this and the one factor he fails to acknowledge is that if industry reduces pollution, the goal of the Paris accord, they pay less or indeed nothing. His model assumes that industry sits on its hands and does nothing. In the Top hot Shirt on Miceshirt on Motefee on 2019/12/02 US this may be plausible with its massive reserves of coal, oil and shale gas why would they want to invest in renewables. Can these discussions be done via conference callskype. Show us by deeds that you truly care about reducing your carbon footprint. What changessacrifices have these leaders personally made. Is it a case of: do as I say, not as I do.