In the light of the current changing global scenarios, green infrastructure is obtaining increasing relevance in planning policies, especially due to its ecological, environmental and social components which contribute to pursuing sustainable and resilient planning and designing of cities and territories. The issue of green infrastructure is framed within the conceptual contexts of sustainability and resilience, which are described through the analysis of their common aspects and differences with a particular focus on planning elements. In particular, the paper uses two distinct case studies of green infrastructure as representative: the green infrastructure of the Region Languedoc-Roussillon in France and the one of the Province of Turin in Italy. The analysis of two case studies focuses on the evaluation process carried on about the social-ecological system and describes the methodologies and the social-ecological indicators used to define the green infrastructure network. We related these indicators to their possible contribution to the measurement of sustainability and resilience. The analysis of this relationship led us to outline some conclusive considerations on the complex role of the design of green infrastructure with reference to sustainability and resilience.

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Green and blue infrastructure (GBI) is increasingly popular in international literature and cultural debates. Indeed, international opinion agrees that GBI is a strategic planning and design tool to face current and upcoming societal challenges. However, goals and practical applications are not fixed and differ based on disciplinary approaches and geographical areas. Thus, the chapter attempts to provide a systematic frame on the current cultural debate on GBI, presenting the diverse contributions deriving from planning and design practices, from vast scale strategies to local projects.

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