If we don't make very major changes very, very soon, survivors will get a return to hunting-gathering whether they like it or not. Were it not for the suffering that such a transition would entail, I would be all for it. As it is, a proposal exists that would make sustainability a real possibility without "eject[ing] from capitalism:" "Overcoming Sustainability's Single Biggest Obstacle" (i.e., the political imperative to maximize total output) here in Medium.