3 ms·

Climate action has a net negative cost; spending $10 will get you more than $10 of benefit for almost any intervention you'd care to name. So it's not expensiv

• usaar333 7y ago
  Certainly high ROI ones (say not building new coal power plants), but definitely not the lower ROI interventions. Nor is cost net negative if you use high discount rates and try lower co2 targets (e.g. 3 degrees warming by 2100 is much more likely to have positive ROI than say holding 2 degrees). Huge controversy around protecting against lower probability, highly destructive scenarios. Point is there's lots of controversy here. https://en.m.wikipedia.org/wiki/Economics_of_climate_change_mitigation https://en.m.wikipedia.org/wiki/Economics_of_climate_change_...