Summer begins barely but the state of water resources already worries: a quarter of France is under the status of « vigilance »which encourages to save water. Restrictions linked to higher alert levels, which relate to 3.5 % of the territory, multiply. Tuesday, June 24, the measures in force in Ardèche-such as the limitation of watering the gardens-were extended to three new living rooms. On June 20, the Prefecture of Morbihan restricted irrigation in the northeast of the department, like other uses: those of individuals but also those of professionals. How to reconcile them in the future, when climate change shakes the water cycle?
In a note published on Wednesday, the High Commission for Strategy and Prognostic Plan “Serious tensions on ecosystems and uses” By 2050, resulting from both the slightest availability of the water resource and the rise in demand. This will be carried by the irrigation of crops, whose volumes consumed-not directly returned to the middle because evaporated or evaporated by plants-should increase, in particular during the summer. The institution attached to Matignon does not mince its words: you have to plan ” as of today “ a “Radical transformation of uses”write the two experts of the note, Hélène Arambourou and Simon Ferrière.
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