This Briefing Document, by Tomorrow’s Company, summarises the international initiative on ‘The Economics of Ecosystems and Biodiversity’ (TEEB), and focuses on the roles that businesses can play in that initiative. It presents the business case for the conservation of ecosystems and biodiversity. The Tomorrow's Company Briefing Documents are intended to provide the reader with a comprehensive introduction to a particular topic. You can find the full list of Briefing Documents on forceforgood.com here.