"Failure to cut carbon emissions means ‘rapid transformation of societies’ is only option to limit impacts"
The UN implies that the only way we'll be able to stop global warming, is if we implement socialism immediatly.
The 1.5°C degree limit is important because once we cross it, a domino-effect of self-reinforcing mechanisms is activated, see:
- https://www.science.org/doi/abs/10.1126/science.abn7950
- https://www.pnas.org/doi/10.1073/pnas.1810141115
3C also probably means we all die in nuclear hellfire anyway because geopolitics in that kind of world is going to get 1000x more tense.