Water management challenges rise in France and Guadeloupe

Environmental challenges regarding water management and the loss of natural absorption capacities are being addressed in France and its overseas territories. In Guadeloupe, urban planners are looking for ways to combat soil impermeability caused by urban development. Proposed solutions to manage tropical rainfall include the use of landscape swales, rain gardens, and permeable pavements. These methods aim to slow, store, and infiltrate water locally rather than relying solely on drainage networks, effectively integrating water management into public spaces and biodiversity efforts.

In mainland France, the historical drainage of wetlands has significantly reduced the landscape's natural ability to regulate water. Since the 20th century, approximately half of France's wetlands have disappeared, largely due to land being drained for agricultural productivity. This loss of 'natural sponges'—such as marshes and peatlands—has left territories more vulnerable to both sudden flooding and groundwater depletion, as the land can no longer effectively absorb or slowly release water during extreme weather events.