The use of green walls and the impact on air quality and life standard

Wesołowska, Małgorzata; Laska, Marta

doi:10.1051/e3sconf/201911600096

Cited by 2 publications

(3 citation statements)

References 15 publications

(34 reference statements)

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“…It is reported that "just 1 m 2 of living wall extracts 2.3 kg of CO 2 per annum from the air" [44,45]. Our result is in line with these data, considering that the degree of CO 2 reduction depends on the weather conditions and green wall orientation, and may be increased by selecting plants more adept at locking away CO 2 from the atmosphere [46]. For completeness of information, it should be underlined that additional CO 2 amounts are subtracted from the atmosphere due to the plants' growth and physiological metabolism, since plants live off CO 2 , and an adult plant is able to absorb 10-50 kg of CO 2 per year [47].…”

Section: Discussionsupporting

confidence: 90%

“…For completeness of information, it should be underlined that additional CO 2 amounts are subtracted from the atmosphere due to the plants' growth and physiological metabolism, since plants live off CO 2 , and an adult plant is able to absorb 10-50 kg of CO 2 per year [47]. It is remarkable to point out that CO 2 removal by plants could also ameliorate indoor air quality for a healthy building environment [46,48].…”

Section: Discussionmentioning

confidence: 99%

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Vertical Greenery as Natural Tool for Improving Energy Efficiency of Buildings

et al. 2022

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The European Construction Sector Observatory outlined that green building envelopes as green roofs and walls contribute to the reduction of energy demand and CO2 emissions due to the air conditioning in summer periods, and the mitigation of heat islands in urban areas. For this reason, the understanding about the contribution of urban greening infrastructures on buildings to sustainable energy use for air conditioning is urgent. This paper focuses on the analysis of a vertical surface provided with a Parthenocissus quinquefolia (L.) Planch., a winter deciduous species, as green cover of a building, assessing the reduction of the solar radiation energy absorbed by the façade and, consequently, the heat flux (HF) transmitted into the internal ambient. This research shows that, in July, surface temperatures (STs) on the vegetated façade were up to 13 °C lower than on the unvegetated (bare) façade. Under the climate and environmental conditions of the green wall located at ENEA Casaccia Research Center, a saving of 2.22 and 1.94 kWhe/m2, respectively in 2019 and 2020, for the summer cooling electricity load, was achieved. These energy reductions also allowed the saving of 985 and 862 g CO2/m2 emissions, respectively, in 2019 and 2020. Ultimately, a green factor named Kv* was also elaborated to evaluate the influence of vegetation on the STs as well as on HFs transmitted into the indoor ambient and adapted to the case of a detached vertical green cover. Measurements of Kv* factor lasting three years showed the suitability of this index for defining the shading capacity of the vegetation on the building façade surfaces, which can be used to predict thermal gains and effects in a building endowed of a vertical green system.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 99%

Vertical Greenery as Natural Tool for Improving Energy Efficiency of Buildings

et al. 2022

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“…In design and architecture, as referred, the use of plants is still widely known as part of façade components or what we call 'green walls', which can be beneficial to improve air quality in urban environment [54]-as plants produce oxygen-and also to reduce heat [55]. Recent projects show new designs with trees along with advanced technologies.…”

Section: Living Organisms As Part Of Designsmentioning

confidence: 99%

The Potential of Co-Designing with Living Organisms: Towards a New Ecological Paradigm in Architecture

Chayaamor-Heil,

Houette,

Demirci

et al. 2024

Sustainability

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Living organisms have been progressively used by designers to propose alternative design outcomes aiming towards more ecological aspects. The design development and manufacturing of new materials or design components from living organisms are more achievable in textile, fashion, or product design than in architecture and construction due to the scale, multi-layer constraints, and requirements. The aim of this paper is to investigate the interdisciplinary framework, the opportunities, and limitations of introducing living organisms into the design process, including the implementation from the design ideas to prototyping until commercialization. In this paper, we focus on three types of living organisms: algae, bacteria, and fungi. Firstly, we overviewed and studied existing projects and experimentations to understand the design process and fabrication of living organisms in other domains in comparison to architecture. Secondly, we selected three case studies in architecture for each organism to analyze. We collected the data and conducted interviews with multidisciplinary experts involved in each case. Our findings show a better understanding of the potential to integrate living organisms in architectural design, the advantages, and the difficulties towards ecological awareness. The results from the interview and a comparative analysis show the advantages and constraints of each case. The future outlooks towards the use of living organisms as part of design in architecture are also discussed.

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The use of green walls and the impact on air quality and life standard

Cited by 2 publications

References 15 publications

Vertical Greenery as Natural Tool for Improving Energy Efficiency of Buildings

Vertical Greenery as Natural Tool for Improving Energy Efficiency of Buildings

The Potential of Co-Designing with Living Organisms: Towards a New Ecological Paradigm in Architecture

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