Stern (presumably to inflate his damage estimates (or am I being unfair? After all, cliamte change will continue beyond 2100…) runs scenarios out to 2200 (see fig 6.5).
But if you look at those pics, the lines are suspiciously straight from 2100 to 2200. So they are interploated. But from what? SRES only runs out to 2100 (doesn’t it?). Do they assume constant CO2 emissions, or levels, from 2100 on?
In short, can anyone tell me what fig 6.5 is based on?