Since the industrial revolutions, our economies have grown at the expense of the natural world. GDP measures economic transactions, indiscriminately. It cannot tell the difference between useful transactions and damaging ones. But as pressure mounts on the earth’s finite resources, we can no longer pretend that business–as–usual is a realistic option. The longer we delay, the more our societies will be at the mercy of events, and the harsher the eventful adjustments.Â