A nuclear war is unlikely to end humanity. Indeed, if we're on the brink of a Venus style runaway hothouse, a nuclear war would be the better alternative. The

A nuclear war is unlikely to end humanity. Indeed, if we're on the brink of a Venus style runaway hothouse, a nuclear war would be the better alternative. The reduction in population and thus carbon emission combined with the increased atmospheric dust would most likely arrest warming altogether, if not even undo some of the damage. For the record no I'm not a psycho and I don't endorse nuclear war, I just doubt it would be an human extinction event.