He obviously has ignored the great scientific work by Greta Thunberg. 
People like Al Gore, John Kerry, Jeff Bezos know this stuff is nonsense. It’s an excuse to have lavish parties and find ways to keep us peons for moving in on things they enjoy like restaurants and airports
The Greta Thunbergs, however, are the true believers and will do whatever it takes to implement their will on the rest of society.
That’s why you see fighting starting to take place between the Al Gore wing and the Greta Thunberg wing of the anthropogenic global warming cause