The economic growth Owen decries is boosted not just by energy efficiency but also, and far more, by many other things he doesn't choose to criticize, such as education, public health, capital markets, and technological innovation. He is right that consumption has impact, and that one way to reduce impact is to consume less or differently. But he is dead wrong that using energy more productively has the perverse effect of increasing its use, eliminating or reversing the benefits sought: this has never been observed, and a vast literature shows that actual "rebound" effects, when observable, are small and unimportant.
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