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More Circular City in the Energy and Ecological Transition: A Methodological Approach to Sustainable Urban Regeneration

Author

Listed:
  • Ginevra Balletto

    (Department of Civil and Environmental Engineering and Architecture, University of Cagliari, Via Marengo 2, 09123 Cagliari, Italy)

  • Mara Ladu

    (Department of Civil and Environmental Engineering and Architecture, University of Cagliari, Via Marengo 2, 09123 Cagliari, Italy)

  • Federico Camerin

    (Departamento de Urbanismo y Representación de la Arquitectura, Universidad UVA de Valladolid, 47014 Valladolid, Spain
    Departamento de Urbanística y Ordenación Territorial, GIAU+S Grupo de Investigación en Arquitectura, Urbanismo y Sostenibilidad, Universidad Politécnica de Madrid, 28040 Madrid, Spain)

  • Emilio Ghiani

    (Department of Electrical and Electronic Engineering, University of Cagliari, Via Marengo 2, 09123 Cagliari, Italy)

  • Jacopo Torriti

    (School of Construction Management and Engineering, University of Reading, Whiteknights, P.O. Box 217, Reading RG6 6AH, UK)

Abstract

Cities consume over 75% of natural resources, produce over 50% of global waste, and emit 60–80% of greenhouse gases. The scenario that by 2050 two thirds of the world population will live in cities, highlights how cities are still responsible for the growing consumption characterized by linear economic processes, with the production of various types of waste. In this unsustainable framework, the Circular Economy offers the opportunity to shape the urban system by means of rethinking the possibility to produce and use goods and services, exploring new ways to ensure long-term prosperity. The Circular City paradigm contains in fact all the principles of the Circular Economy: recovery, recycling, and sharing. In particular, Circular City also introduces actions related to the development of renewable energy communities, use of green materials, CO 2 absorption approaches, and Proximity Cities. This work aims to develop a methodology to build a composite index (Circular City Index) capable of measuring the degree of implementation of urban policies that may enable an ecological transition of public assets. Circular City Index was applied to the military cluster of the city of Cagliari (Sardinia, Italy), a significant case study to guide circular policies in public properties for civil and military uses.

Suggested Citation

  • Ginevra Balletto & Mara Ladu & Federico Camerin & Emilio Ghiani & Jacopo Torriti, 2022. "More Circular City in the Energy and Ecological Transition: A Methodological Approach to Sustainable Urban Regeneration," Sustainability, MDPI, vol. 14(22), pages 1-18, November.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:22:p:14995-:d:971362
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    Cited by:

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    2. Nina Liu & Shuqi Wang & Fei Su & Jun Ye, 2022. "Research on Coupling Coordination of China’s New-Type Urbanization and Urban Resilience—Taking Yangtze River Economic Belt as an Example," Sustainability, MDPI, vol. 15(1), pages 1-25, December.
    3. Rui Jin & Chunyuan Huang & Pei Wang & Junyong Ma & Yiliang Wan, 2023. "Identification of Inefficient Urban Land for Urban Regeneration Considering Land Use Differentiation," Land, MDPI, vol. 12(10), pages 1-24, October.
    4. Andrea Sarcina & Rubina Canesi, 2023. "Renewable Energy Community: Opportunities and Threats towards Green Transition," Sustainability, MDPI, vol. 15(18), pages 1-21, September.
    5. Haochen Qian & Fan Zhang & Bing Qiu, 2023. "Deciphering the Evolution, Frontier, and Knowledge Clustering in Sustainable City Planning: A 60-Year Interdisciplinary Review," Sustainability, MDPI, vol. 15(24), pages 1-27, December.
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    7. Ryszard F. Sadowski, 2023. "Remarks on the Concept of a Sustainable City in Light of Konrad Lorenz’s Concept of Man," Sustainability, MDPI, vol. 15(3), pages 1-12, January.

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