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This policy brief from the MEDIATION project evaluates the use of Cost-Effectiveness Analysis (CEA) as a decision support tool for climate change adaptation. While CEA is a primary tool for mitigation, the document highlights that its application to adaptation is more challenging due to the lack of a single common metric and the critical need to account for uncertainty.

This policy brief, produced as part of the European Commission FP7 funded MEDIATION project, evaluates Robust Decision Making (RDM) as a decision support tool for climate change adaptation. RDM focuses on identifying strategies that perform well across a wide range of plausible futures—prioritizing 'robustness' over 'optimality'—particularly in situations of 'deep uncertainty' where probabilistic data is scarce.