Net-Zero Climate Emissions Districts: Potentials and Constraints for Social Housing in Milan

Net-zero climate districts are gaining wide attention at the European and international levels. Urban regeneration competitions have been launched recently to stimulate development; nevertheless, the literature does not yet provide a shared scope definition (i.e., product system). Using the process-...

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Bibliographic Details
Published in:Energies (Basel) 2023-02, Vol.16 (3), p.1504
Main Authors: Famiglietti, Jacopo, Aprile, Marcello, Spirito, Giulia, Motta, Mario
Format: Article
Language:English
Subjects:
Air quality management
Alternative energy sources
Building construction
climate neutral
Emission analysis
Emissions
Emissions trading
Energy consumption
Energy efficiency
Environmental aspects
Green buildings
greenhouse gas emissions
Greenhouse gases
Housing
Housing developers
level(s) framework
life cycle assessment
MILP
net-zero emission districts
Population density
Public housing
Real estate
Reinforced concrete
Renewable resources
Urban regeneration
Urban renewal
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Summary:Net-zero climate districts are gaining wide attention at the European and international levels. Urban regeneration competitions have been launched recently to stimulate development; nevertheless, the literature does not yet provide a shared scope definition (i.e., product system). Using the process-based life cycle assessment method, the authors evaluate the climate profile of a new district in Milan (14 buildings with 36,000 m2 of gross surface area in total) aiming to become the first net-zero social housing project in Italy. The authors show in the results section how climate neutrality is achieved on the part of the real estate operator by varying the scope. The most conservative scenario (including all the emission sources considered in the analysis) indicates that the net-zero climate target is reached only by purchasing voluntary carbon credits. The authors also highlight: (i) a district composed of nearly-zero energy buildings is far from the definition of a net-zero climate emissions district; (ii) a net-zero climate emissions district may not be a positive energy district and vice-versa; and (iii) constraints linked with the lack of space in a densely populated city due to insufficient area to install renewables on site.
ISSN:1996-1073
1996-1073
DOI:10.3390/en16031504