The need to better understand the role of the precautionary principle in biodiversity conservation and natural resource management had been highlighted by discussions starting at the World Conservation Congress in 1996 in Montreal This project aimed to investigate the issues surrounding the application of the principle in this area, and to provide guidance on its appropriate use Fourteen studies, from around the world, were included in a book: 'Biodiversity and the Precautionary Principle: Risk and Uncertainty in Conservation and Sustainable Use', published by Earthscan in December 2005 This page gives information about the history and objectives of the Precautionary Principle Project, with links to relevant project outputs