In the Marais Poitevin, the rise of Atlantic Ocean – +2.8 mm/year – is a serious concern. Currently, dykes protect the immense cereal fields, which are already a few metres below the level of high tides. But at what cost and for how long?

Given this threat, scientists are advocating the idea of moving back and creating so-called buffer zones, to protect the land behind the dykes. Jean-Paul Rault, a mixed farming producer, has decided to try this out on his own land, by moving back 10 hectares…

Report in the heart of the Marais Poitevin, where rising water levels go side by side with rising tensions.