Why? Capitalism got us into this mess in the first place.

Also, it isn't going to be profitable to reduce our consumption by 90%.

"Leaders need to think beyond right and left."

Well, you certainly can't, as your solution utterly right-wing. "Capitalism will solve it! Yes, for the last 250 years, capitalism has systematically generated exponentially increasing waste and that has never changed, but through some undisclosed means, we'll make it profitable to not consume, not produce, not sell and not buy!"