Flooding and adaptation: beyond risk, reinventing solidarities

Inondations et adaptation: au-delà du risque, réinventer de nouvelles solidarités

Thaïs Rakovitch, Blanche Segrestin (), Kevin Levillain () and Nicolas Flipo ()
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Thaïs Rakovitch: CGS i3 - Centre de Gestion Scientifique i3 - Mines Paris - PSL (École nationale supérieure des mines de Paris) - PSL - Université Paris Sciences et Lettres - I3 - Institut interdisciplinaire de l’innovation - CNRS - Centre National de la Recherche Scientifique
Blanche Segrestin: CGS i3 - Centre de Gestion Scientifique i3 - Mines Paris - PSL (École nationale supérieure des mines de Paris) - PSL - Université Paris Sciences et Lettres - I3 - Institut interdisciplinaire de l’innovation - CNRS - Centre National de la Recherche Scientifique
Kevin Levillain: CGS i3 - Centre de Gestion Scientifique i3 - Mines Paris - PSL (École nationale supérieure des mines de Paris) - PSL - Université Paris Sciences et Lettres - I3 - Institut interdisciplinaire de l’innovation - CNRS - Centre National de la Recherche Scientifique
Nicolas Flipo: GEOSCIENCES - Centre de Géosciences - Mines Paris - PSL (École nationale supérieure des mines de Paris) - PSL - Université Paris Sciences et Lettres

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Abstract: Climate change increases the risks of floods, posing major challenges for territorial adaptation. In the Seine River basin, a major flood could undermine the sustainability of France's natural disaster reinsurance scheme. Despite existing adaptation projects, funding remains insufficient, and territorial inequalities persist. We show that the underestimation of certain interdependencies generates inequitable distributive effects and underexplores the financial contribution of those benefiting from these projects. We explore an alternative solidarity regime, considering that a local sacrifice can be requalified as a general average, if it can avoid cascading damage. As a result, this sacrifice can be borne by the totality of beneficiaries. We thus reopen ways to reinvent a solidarity regime

Keywords: general average; hydroclimatic extreme events; equity; solidarity; Climate change adaptation; solidarité; Adaptation au changement climatique; équité; extrêmes hydroclimatiques; avaries communes (search for similar items in EconPapers)
Date: 2026-10-19
Note: View the original document on HAL open archive server: https://hal.science/hal-05681923v1
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Published in « Résister, renoncer ou réinventer ? » Regards pluriels sur les imaginaires et les pratiques pour une transformation sociale et écologique., RIODD, Oct 2026, Reims, France

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