Is the sustainability potential of vertical greening systems deeply rooted? Establishing uniform outlines for environmental impact assessment of VGS

Rowe, T.; Poppe, J.; Buyle, Matthias; Belmans, Bert; Audenaert, Amaryllis

doi:10.1016/j.rser.2022.112414

Cited by 12 publications

(7 citation statements)

References 55 publications

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“…More than 80% of humans' time is spent indoors [1], and indoor air is at least twice as polluted as outdoor air, with consequent health risks from long-term exposure to indoor air pollution [1]. These findings have thus led to demands for improvements in indoor air quality (IAQ).…”

Section: Promoting Air Purification and Removal Of Pollutantsmentioning

confidence: 99%

“…A literature review [1] found that less attention has been paid to the impacts of VGSs on indoor environments than those on energy performances. It is crucial to recognise that indoor environments govern not only residents' health but also energy consumption [33].…”

Section: Enabling Energy Savings In the Cooling And Heating Of Buildingsmentioning

confidence: 99%

“…Augmenting the greenery of buildings has been demonstrated to critically mitigate the adverse effects of global warming and rapid urban densification [1], such as the urban heat island effect [2], diminished water availability [3], and deteriorating air pollution [4]. Infrastructural overcoats employing greening systems not only reduce the damage caused by concrete buildings to the ecological environment but also restore damaged ecological spaces [5].…”

Section: Introductionmentioning

confidence: 99%

“…VGSs comprise three categories: green walls (GWs), green facades (GFs), and living wall systems (LWSs). Apart from diversifying architectural landscapes, the benefits of VGSs are threefold: they improve indoor thermal comfort, promote air purification and removal of pollutants, and enable energy savings for the cooling and heating of buildings [1].…”

Section: Introductionmentioning

confidence: 99%

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Optimisation of Building Green Performances Using Vertical Greening Systems: A Case Study in Changzhou, China

Yang

Liu

et al. 2023

Sustainability

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The benefits of greening systems on buildings have been frequently examined using experimental methods. However, few studies have adopted dynamic monitoring of real operational buildings to quantify the effects of greening systems on multiple building green performance indexes, such as thermal comfort, indoor air quality, and energy consumption. In this study, a type of multi-in-one indoor environmental quality monitoring device was adopted for vertical greening systems in a green-certified building in Changzhou, China, with real-time data collection through an Internet of Things platform. Measurements of the indoor thermal environment and air quality were recorded from four testing points during a 90 day period from spring to summer in 2021. For comparison, the testing points were divided into group A (office zone) and group B (exhibition zone). Our results demonstrated that, in the presence of a vertical greening system, the seasonal average indoor temperatures decreased by up to 0.7 °C. The green facade outperformed the ordinary exterior wall, optimising both indoor thermal comfort and thermal inertia. Furthermore, judicious indoor greening designs significantly reduced the indoor air-pollutant concentrations, such as particulate matter, carbon dioxide, and organic pollutants. The median values for particulate matter 10 and formaldehyde concentration decreased by 20.7% and 33.3%, respectively, thus improving the indoor air quality. Lastly, the annual electricity consumption of the building with vertical greening systems was about 25% lower than that of similar buildings, underlining the potential contribution of vertical greening systems to building energy conservation. Such findings collectively demonstrate that greening systems offer quantifiable benefits for building parameters such as thermal properties, indoor air quality, and energy conservation.

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Section: Promoting Air Purification and Removal Of Pollutantsmentioning

confidence: 99%

Section: Enabling Energy Savings In the Cooling And Heating Of Buildingsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Optimisation of Building Green Performances Using Vertical Greening Systems: A Case Study in Changzhou, China

Yang

Liu

et al. 2023

Sustainability

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“…Next to acoustic and micro-climate properties, there are also many papers discussing other aspects of green walls. Manso et al 22 for instance provide a review of benefits and costs of green roofs and green walls, Rowe et al 23 discuss their environmental impact based on life cycle assessment, and Ahsan et al 24 map the entire field of research on vertical greenery systems identifying several subfields, one being acoustics.…”

Section: Introductionmentioning

confidence: 99%

Applying vertical greening systems to reduce traffic noise in outdoor environments: Overview of key design parameters and research methods

2023

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Vertical greening can be used to absorb and scatter sound, which may reduce noise levels in street canyons. In this paper, a literature review is presented, which combines results and methods from over 40 individual studies. The article describes the guiding principles behind the acoustic effects of vertical greening and provides an overview of the prevalent research methods. The article shows that vertical greenery is effective for the reduction of mid and high frequency noise, unless air cavities or resonators are introduced inside, or behind, the systems. The review also reflects on studies with an emphasis on the application of vertical greenery in streets and urban blocks. The aim of the article is to set out the key design parameters for noise reduction that can be achieved by vertical greening, focusing on designers and engineers.

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Plastics, Food Security, and Sustainable Urbanization

Olatunji

2024

Re-Envisioning Plastics Role in the Global Society

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Is the sustainability potential of vertical greening systems deeply rooted? Establishing uniform outlines for environmental impact assessment of VGS

Cited by 12 publications

References 55 publications

Optimisation of Building Green Performances Using Vertical Greening Systems: A Case Study in Changzhou, China

Optimisation of Building Green Performances Using Vertical Greening Systems: A Case Study in Changzhou, China

Applying vertical greening systems to reduce traffic noise in outdoor environments: Overview of key design parameters and research methods

Plastics, Food Security, and Sustainable Urbanization

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