If we want to have any hope of averting catastrophe, we’re going to have to do something about our addiction to growth. This is tricky, because GDP growth is the main policy objective of virtually every government on the planet. It lies at the heart of everything we’ve been told to believe about how the economy should work: that GDP growth is good, that it’s essential to progress, and that if we want to improve human wellbeing and eradicate poverty around the world, we need more of it. It’s a powerful narrative. But is it true?