OIN status puts the state in charge of important planning issues, such as building permits, on the grounds of national interest, and thus allows for faster decision-making and development.

The range of developments covers everything from agricultural projects in the northern reaches of the valley, through university, industrial and residential projects, to office blocks and a transport hub sited close to the airport.

Associations and citizens have been mobilizing for years to preserve the plain Var. They do not deny the need for planning but argue that it must be environmentally friendly and not with an economic profit short term perspective under the classical development paradigm. Basically, three aspects from the valley are highlighted: the capacity for agriculture production, its biodiversity and its water resources. Although the works have already started they are determined to continue the resistance.

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