Book excerpt: Peri-urban landscapes are some of the world’s most vulnerable areas. Although they are often thought of simply as land awaiting development, these landscapes retain important natural resources and make valuable contributions to agriculture, water use, biodiversity conservation, landscape preservation and human well-being. Billions of people use them and enjoy their natural values. Their continuing loss threatens to alter our relationships with nature and have a negative impact on the environment. The Future of the Fringe first explores the history of peri-urban areas, international peri-urban policy and practice, and related concepts. It analyses internationally relevant issues such as green belts and urban growth boundaries, regional policy, land supply and price, and the concepts of liveability, attractiveness, well-being and rural amenity. It then examines a range of Australian peri-urban issues, as an extended case study. The book argues for a precautionary approach so that we retain the greatest number of options to adapt during rapid and unprecedented change.