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Cracked houses: why the criteria for classifying drought as a natural disaster are being discussed

Is the procedure for classifying drought as a natural disaster (Kat-Nat) on a sufficiently solid basis? The question arises with increasing insistence as the problem of clay shrinkage-swelling (CSS) grows. About 48% of the metropolitan area is exposed to this threat: periods of heavy rain lead to swelling of the clay, which shrinks during periods of drought, which have become more frequent since 2015. Thus, up to 10.4 million homes could be under severe strain.

Last year, a record 8,600 municipalities applied for the Cat-Nat drought recognition for 2022, at a cost of around €3.5 billion, according to calculations carried out in early October 2023. However, about 25% were rejected, which is certainly less than in previous years, but still represents more than 2,000 municipalities excluded. For their tenants, who saw cracks appear in their home that year, it was a cold shower as they were unable to apply for home insurance.

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Source: Le Parisien

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