Climate doomsayers keep putting sell-by dates on their credibility
I was slightly surprised when Greta Thunberg announced at Davos that we had eight years left to save the planet. As long as that? Admittedly, that’s four years less than Alexandria Ocasio-Cortez, who put it at 12, although, come to think of it, that was last January, so presumably she now thinks we’ve got 11 years
