End humanity, maybe not. Causing very painful social changes, however, is absolutely on the cards.
> Causing very painful social changes, however, is absolutely on the cards.
Worse than voluntarily inviting masses of incompatible cultures into western countries like we're already doing?
Again just vague babble like "painful social changes". Even in the worst case modelling of emissions, we are still better off in the future than now.
Show me clear sources quantifying the pain vs the emissions.