Risk supplement to the vulnerability sourcebook

The objective of this Risk Supplement is to provide practical guidance on how to apply the Vulnerability Sourcebook’s approach using the AR5 risk concept. Going beyond the comparison already presented in the Vulnerability Sourcebook , it introduces the terminology of the AR5 risk concept to the CCA community and clarifies its implications for the Vulnerability Sourcebook methodology. Although there are a number of significant modifications, the general step-by-step approach of the Vulnerability Sourcebook remains unchanged.

The Risk Supplement follows the risk concept as defined in WGII AR5. It describes one possible way to make practical use of this concept, since the WGII does not provide directions or guidelines as to how it can be operationalised for a climate risk assessment. Also, there are still several open questions about translating the concept of risk analysis from the DRR realm to a climate change context.

The main text contains all the crucial information needed to apply the AR5 risk concept in practice. In addition, throughout the Risk Supplement, impact chains illustrate the individual steps for a simplified example from the agricultural sector. Readers who are interested in background information and in the details of the conceptual changes will find further background information in the expert boxes.