Overview of costs and benefits of adaptation at the national and regional scale

This chapter reviews the latest evidence on the costs and benefits of adaptation, and draws out some of the key findings and emerging insights. It explores the use of information on the costs and benefits of adaptation to justify the case for action and prioritise resources to deliver the greatest benefits. Results of national and global studies are provided. The latest estimates are provided for the following sectors and risks: sea-level rise, coastal flooding and storms river, surface water and urban flooding water supply and management infrastructure agriculture health biodiversity and ecosystem services business, services and industry.