World facing ‘hellish’ 3C of climate heating, UN warns before Cop28 | ‘We must start setting records on cutting emissions,’ UN boss says after temperature records obliterated in 2023

Is that an accurate calculation? It seems like an insane amount, do you have a link to a paper or article? I'd love to share that with family and friends, many of them don't see the problem with an extra degree or 2 ...