Sounds like maybe they're also suggesting, "Perhaps we don't need an environmental catastrophe, maybe it's more like what happened to Detroit." Which seems pre

Sounds like maybe they're also suggesting, "Perhaps we don't need an environmental catastrophe, maybe it's more like what happened to Detroit." Which seems pretty parsimonious to me? Without so much fixed infrastructure such as harbors and paved highways and the Ford Rouge factory, there's less to keep pulling people back to an urban lifestyle if that's not what they're after.