Renaturation: Definitions and Objectives
Ecological renaturation of poor soils and valorization of embankments - Objectives and implementation

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Renaturation: Definitions and Objectives


Ecological renaturation of poor soils and valorization of embankments - Objectives and implementation

Author : Guillaume LEMOINE

Publication date: July 10, 2026 | Lire en français

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1. Renaturation: Definitions and Objectives

1.1 Renaturation: A Concept with Blurred Boundaries

The concept of “renaturation” remains poorly defined. No clear consensus has emerged regarding its definition. The definition adopted by lawmakers in the ZAN Act of July 2023 defines renaturation as “an action or operation to restore or improve the functionality of a soil, resulting in the transformation of an artificialized soil into a non-artificialized soil.” Here, only the “soil” aspect is taken into account, to the detriment of the ecosystem (see Box 1).

Box 1 –: Definition and Assessment

As the land-use restraint approach is gradually being incorporated into planning tools (SCOT, PLUi), everyone is examining the concept of ZAN (zero net land conversion), whether...

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