Citation needed.
We are already committed to climate disaster and people aren't stopping flying, driving, eating meat and dairy, buying huge quantities of disposable plastic - and having tons of kids who do the same.
The US Presidential election is between two sides, one of which believes that the climate emergency is a hoax, and the other that believes it's true, but that we can't afford to do anything about it.
No one will change before it's far too late. Indeed, it was probably already too late before the Obama administration, and then did fuck all about it except push fracking on America.