"We got rich by violating one of the central tenets of economics: thou shall not sell off your capital and call it income. And yet over the past 40 years we have clear-cut the forests, fished rivers and oceans to the brink of extinction and siphoned oil from the earth as if it possessed an infinite supply. We've sold off our planet's natural capital and called it income. And now the earth, like the economy, is stripped."