Scientists are jettisoning their worst and best case scenarios for a warming world as no longer plausible. That shows how modest gains in the fight to curb climate change have dialed back the most catastrophic of future heating but also confirmed that there's no chance to limit warming to the international goal set in 2015.
Researchers' new list of seven plausible carbon pollution scenarios for the future are pushing aside two staples of climate policy: the extremes on either end.
