We have in an instant gone from “RCP8.5 as business-as-usual”
to
“OK RCP8.5 is implausible, fine, but something sorta like it might kinda happen”
🤣
There’s simply no alternative in climate modeling studies to RCP8.5 (and now SSP5-7.0 & SSP5-8.5) as a baseline scenario
So it must be used
The only free variable is the excuse given for using it
With BAU no longer tenable, new ones are needed