It would be super easy to turn off all fossil fuels. Just flick the switch and make do with what electricity generation is left. The question is just how much w

It would be super easy to turn off all fossil fuels. Just flick the switch and make do with what electricity generation is left. The question is just how much we're willing to pay. Taking most of civilization offline is a bit much to ask, obviously, so flicking the switch is off the table. That said, we could probably do it in less than 5 years of wartime effort.