One child per couple for 2 or 3 generations. Maybe skip the reduction a generation inbetween.
Change "work" to focus on cleanup and restoration of the earth and her systems rather than economic gain and the pursuit of money.
There's no reason we can't do that. We're the only species, currently, who can and it's our mess.
But we won't. So we're going to suffer. Billions are going to suffer.
Because a very small number of people have us chasing after an abstract concept that only exists because we imagined it (money)to live.
Billions are going to suffer for an idea that could just as easily be any other idea. That's hubris all right.