Green Infrastructure and Sustainable Construction to Mitigate the Urban Heat Island Phenomenon in Urban Environments

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Biometeorology and Bioclimatology".

Deadline for manuscript submissions: 30 June 2026 | Viewed by 1167

Special Issue Editors


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Guest Editor
Department of Civil and Environmental Engineering, University of Florence, 50139 Florence, Italy
Interests: buildings’ energy sustainability; external envelope techniques; redevelopment of modern building heritage; UHI

E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering, University of Florence, 50139 Florence, Italy
Interests: buildings’ energy sustainability; external envelope techniques; redevelopment of modern building heritage; UHI

E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering, University of Florence, 50139 Florence, Italy
Interests: buildings’ energy sustainability; green infrastructures; energy retrofitting; life cycle assessment; UHI

E-Mail Website
Guest Editor

Special Issue Information

Dear Colleagues,

The past decade has been the warmest on record, and the cooling degree-days have increased by 25% compared to the 1980s. In its Sustainable Development Goals, the United Nations included the topic of climate action, highlighting the need to act on rising global temperatures and tackle the ongoing issue of climate change. In the last few years, the mitigation of the urban heat island (UHI) phenomenon has become an increasingly critical challenge in urban environments. Frequent summer heatwaves result in diffuse overheating in urban centres, not only leading to uncomfortable conditions in outdoor spaces for the resident population but also threatening human health because of thermal stress.

In this context, this Special Issue invites the submission of contributions relating to innovative strategies for mitigating the UHI effect in the built environment. We welcome research on the implementation and analysis of green and blue infrastructures and on possible cooling materials and technologies, as well as contributions addressing sustainable and integrated retrofitting approaches that enhance both the energy efficiency and environmental performance of existing building heritage. Additionally, we encourage the submission of studies on strategies and systematic methodologies to tackle climate change and reduce the increase in external air temperature.

The submission of original research articles and reviews to this Special Issue is welcomed and encouraged. Research areas may include (but are not limited to) the following:

  • Urban heat island mitigation;
  • Green and/or blue technological solutions for UHI mitigation;
  • Environmental sustainability;
  • Sustainable and integrated retrofitting;
  • Life cycle assessment (LCA) and life cycle cost (LCC) analysis;
  • Cooling materials and technologies;
  • Buildings’ energy performance;
  • Integration of BIM with sustainable design strategies;
  • Climate resilience and risk management.

Dr. Frida Bazzocchi
Dr. Vincenzo Di Naso
Dr. Cecilia Ciacci
Dr. Stefano Cascone
Guest Editors

Manuscript Submission Information

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Keywords

  • urban heat island
  • green infrastructures
  • green buildings
  • LCA
  • energy efficiency
  • ENVI-met
  • sustainable retrofitting
  • green technological solutions
  • universal thermal climate index

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Published Papers (1 paper)

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Research

36 pages, 10780 KB  
Article
Seasonal and Botanical Influences on External Thermal Performance near Green Façades: CFD Simulations on a Reference Building Envelope in a Humid Temperate Climate
by Barbara Gherri, Lisa Rovetta, Sara Matoti and Alessandro Petraglia
Atmosphere 2026, 17(4), 342; https://doi.org/10.3390/atmos17040342 - 28 Mar 2026
Viewed by 538
Abstract
Green façades are acknowledged as passive strategies that reduce heat accumulation, enhance biodiversity, improve particulate matter absorption and provide psycho-physiological benefits for users. However, evaluations of their thermal performance—accounting for seasonality, vegetation density, and leaf characteristics—remain incomplete. This study addresses this gap by [...] Read more.
Green façades are acknowledged as passive strategies that reduce heat accumulation, enhance biodiversity, improve particulate matter absorption and provide psycho-physiological benefits for users. However, evaluations of their thermal performance—accounting for seasonality, vegetation density, and leaf characteristics—remain incomplete. This study addresses this gap by assessing two green façade typologies on a sample building located in Northern Italy (Cfa climate). ENVI-met microclimate simulations compared a bare wall with vegetated façades featuring Hedera helix (evergreen) and Parthenocissus tricuspidata (deciduous) across four orientations and seasonal conditions, considering the sample building and the immediate surrounding outdoor space. Both species reduced wall-surface temperatures (T0) and improved outdoor thermal comfort perception (PET), influenced by LAI dynamics, foliage persistence, and façade orientation. Results indicate that Parthenocissus tricuspidata achieved the greatest cooling effect during hot periods due to higher LAI, with absolute T0 reductions of up to 22.1 °C on southern façades and 30.0 °C on western façades. In these orientations, PET improvements reached up to 3.0 °C (south) and 8.0 °C (west). Conversely, Hedera helix ensured stable year-round performance and performed better on northern façades during colder periods. The results stress the need for integrated design that aligns plant choice with orientation and seasonal growth to optimize thermal performance, cut cooling demands, and improve outdoor comfort. Full article
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