Natural capital will become as prominent a business concern in the 21st Century as the provision of adequate financial capital was in the 20th Century. Natural capital underpins all other forms of capital, including financial – ultimately we rely on it for everything. The demands of an expanding and more prosperous global population mean that natural resources and ecosystems are becoming ever more stretched. We are already ‘drawing down’ on 50% more natural capital a year than the earth can replenish – and the rate of depletion is accelerating. All too soon, businesses will face a stark choice: adapt or fail.