A "relatively small" portion that's still a major territory loss that includes everything south of Ho Chi Min, and much of the city - of 10m. I'd say they have

A "relatively small" portion that's still a major territory loss that includes everything south of Ho Chi Min, and much of the city - of 10m. I'd say they have to. Perhaps quickly as these estimates appear to be based on RCP2.6 - that's the most optimistic track assuming everyone is meeting Paris goals. Right now, no one is.