Multidisciplinary and multi-scalar approach for regeneration of social housing and its habitat

The global crisis scenarios, the conditions of uncertainty and reality complexity, the limited resources and the variability of the framework of the needs show the failure of a "rigid" conception- organization of the built environment often forced to reorganize itself as a result of stressful events for reach acceptable levels of efficiency. This model shows its fragility (seismic, hydro-geological, climatic, social) by undermining the concepts of stability (environmental, economic and social security) we are used to. Precisely in urban areas, a context in which human health - planetary health relationships express their effects more than elsewhere, it is necessary to intercept new solutions and rules to deal with the direct (deterioration of surface materials, structures, reduction of energy performance) and indirect (loss of identity, interruption of socio-economic activities, loss of livability and conditions of well-being) consequences of climate change on urban centers. This uncertainty and complexity of reality requires a non-linear approach that takes into consideration the material and immaterial aspects and the different time scales, leading to the evolution of research towards increasingly transversal methods and tools disciplines, sectors and scales of investigation and thought. The paper is part of multidisciplinary research on the topic of sustainable regeneration and redevelopment of existing buildings and urban areas. It explores the implications between the need for adaptive regeneration to ensure both the adequate levels of performance and functionality of the space (indoor, outdoor space) with its components/materials and the equally urgent need to conceive such adaptive actions in a circular way. The collection, review and systematization of the literature and case studies led to the identification of a framework of adaptive/circular strategies at the micro (the single component), meso (the building) and macro (the public space) scales. The strategies were then validated in three social housing districts in three Italian cities.