Coastal erosion will worsen in the coming years, a study has just determined. The authorities are warning the 500 municipalities most threatened by the phenomenon.

“The equivalent of a football field disappears every week in our country,” the Minister of Ecological Transition warned Thursday evening on the TF 1 set Christophe Béchu. This withdrawal extends over 900 km of the French coastline, or “4,200 football fields over the last 50 years” - the Center for Studies and Expertise on Risks, the Environment, Mobility and Development.