A little lower is possible, with much more concerted action; a little higher, too, with slower action and bad climate luck.
We know a lot more now about how much warming to expect, which makes it more possible to engineer a response.
That response still begins with cutting emissions, but it is no longer reasonable to believe that it can end there.
“If you had told me five years ago that that would be the case, I would’ve thought, wow, that’s a miracle.”.
Liebreich has taken to speculating about a “renewable singularity,” beyond which the future of energy is utterly transformed. »