Assessing the costs and benefits of adaptation options. An overview of approaches

This publication was developed under the Nairobi work programme on impacts, vulnerability and adaptation to climate change and provides an introduction to a range of different assessment approaches and methodologies and shares best practices and lessons learned. It builds upon activities and contributions from the Nairobi work programme and its partners. This publication aims to: elaborate on the role and purpose of assessing the costs and benefits of adaptation options in the adaptation process; introduce a range of key methodological issues; explain the most commonly used assessment approaches; describe lessons learned and good practices; provide a glossary of the most commonly used terms; provide a bibliography of useful resources and references. A diverse range of case studies is presented throughout this publication to illustrate adaptation assessment methods and options.