Climate Change (CC) poses significant threats to coastal areas, with the main impacts being sea-level-rise (SLR) and the consequent loss of land. Much work has been done to evaluate effective adaptation strategies, but further research is needed. This paper aims at analyzing the costs of CC and SLR in the Grado-Marano lagoon, and at proposing an example of methodology based on an economic evaluation of damages related to: loss of land on the basis of different land-uses (i); loss of non-use values (ii); losses in productivity/use values via Bayesian Networks (iii); and on a multi-criteria-analysis able to integrate different (monetary and non-monetary) criteria focused on three pillars of sustainability (iv) to compare adaptation-strategies. We find that the larger impacts are on residential and tertiary sectors, even if most of the area has an agricultural vocation, and that the best adaptation-strategy is beach-nourishment even if rankings depend on criteria weights.


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