But the climate change emergency forces us to discard this approach and think seriously about the logic of capitalism itself. As Naomi Klein puts it in her most recent book, This Changes Everything, ‘Our economic system and our planetary system are at war.62 What the climate needs to avoid collapse is a contraction in humanity’s use of resources; what our economic model demands to avoid collapse is unfettered expansion. Only one of these sets of rules can be changed, and it’s not the laws of nature.’