SUSTAINABILITY STRATEGIES IN THE APPLICATION OF THE BLUE INFRASTRUCTURE AND ITS VISIBILITY IN URBAN AND REGIONAL PLANNING

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Abstract
The concept of Green Infrastructure (GI) includes different strategies or approaches related to sustainability, such as green spaces, Sponge Cities Program (SCP), Nature-Based Solutions (NBS), and water management, such as Best Management Practices (BMPs) and Low Impact Development (LID). Included in this concept is the Trame Bleue (TB), or Blue Infrastructure (BI), which is implicit or even absent in the scientific production related to GI. This research investigates the integration of the Trame Bleue in the relationship between Green Infrastructure (GI) and urban and regional planning (URP) as an important strategy for sustainability and resilience. Through the analysis of scientific articles published between 2018 and 2024, we sought to observe the visibility of the Blue Infrastructure in sustainable URP strategies using GI in various applications, as well as in Écoquartiers, or Eco neighborhoods. The publications show varying levels of exposure and emphasis on this plot, as well as barriers to its implementation. This study aims to demonstrate that the role of the BI goes beyond water resources management, flood control, and mitigation solutions and that, to increase urban sustainability and resilience, its interconnection with other planning elements must be considered from the beginning of projects and interventions. For this, a brief framework for the implementation of GI in URP is proposed based on the authors of the researched sample. To achieve sustainable URP, a holistic approach is necessary, considering strategic planning, technological innovation, ecosystem services, and above all, socio-environmental equity.

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