The human society is now facing a crisis caused by staggering biodiversity loss. With tropical forests in retreat and the extinction of species thought to be about 1,000 times the natural rate, nature’s ability to provide the goods and services on which we depend is being undermined, presenting enormous risks to prosperity. What are the main perspectives and challenges of the biodiversity crisis for the finance sector? How can finance harness the power of markets and economics to protect our environment and prevent its rapid destruction? What are the practical ways in which nature—trees, bees and bats—can be considered as valuable financial assets?