Even if we can derive 'more from less', the massive absolute amount that we are deriving is large enough to have significant negative ramifications, such as glo

Even if we can derive 'more from less', the massive absolute amount that we are deriving is large enough to have significant negative ramifications, such as global heating and all that implies. On top of that, the number of nations armed with nuclear weapons capable of igniting a conflict that could wipe out the majority of civilization in weeks continues to grow. That's certainly not a context that has been present for thousands of years; rather less than 80.