It isn't an either/or for most countries. I suspect America and Russia will have to change enormously, the rest of the west just needs decent public transport,

It isn't an either/or for most countries. I suspect America and Russia will have to change enormously, the rest of the west just needs decent public transport, cogeneration of heat, insulation, and some changes to agriculture. Nobody is going to have an awful life if we deal with climate change in a just way, even if we limit ourselves to today's technology.