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Environmental Assessment of Buildings for Deep Impact Reductions

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Environmental Sustainability and Applications".

Deadline for manuscript submissions: closed (15 July 2021) | Viewed by 12722

Special Issue Editor


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Guest Editor
School of Architecture, Planning and Landscape, University of Calgary, Calgary, AB, Canada
Interests: life cycle sustainability assessment; built environment; industrial ecology; waste management; energy systems; circular economy; sustainable consumption; climate change
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Special Issue Information

Dear colleagues,

Buildings stand for a significant part of direct and indirect environmental impacts of all countries. Any major improvement we make in designing, constructing, operating, and finally managing the end life of these long-lived structures is critical in the journey to achieving national and global impact reduction goals and aspirations.

As a functioning building depends on an ensemble of different materials, components, elements, and systems, environmental assessment of buildings requires bringing diverse insights together to enable more comprehensive and inclusive evaluation of all relevant aspects. If we are to make meaningful cuts in buildings-related impacts, we need to see beyond a ‘less is better’ lens. This necessitates taking stock of the experiences of the past decades; identifying the challenges for the next decades; and providing directions on how knowledge creation based on impact assessment will go hand in hand with changing practices. What new insights can be added to the current approach of assessing environmental impacts of buildings? How much reduction in impact from buildings is good enough in light of tackling national and global environmental challenges? What is the best way to present assessment results and communicate them to different practitioners, such as architects and engineers, and other stakeholders, such as owners and regulators? What are the experiences of using environmental assessment of buildings in changing regulatory and industry directions? What assessment approaches will deliver clearer messages and actionable items to practitioners without complicating their practice too much? How can environmental assessment be used with economic and social assessment at the building scale in defining a sphere of conditions that will realize deep impact reductions through economical viable and socially desirable changes?

Manuscripts dealing with the aforementioned questions and focusing on but not limited to the following are welcome.

  • Tools and systems;
  • Methodological aspects;
  • Data access and quality issues;
  • Data visualization;
  • Performance benchmarking;
  • Design and management practices.

Assoc. Prof. Dr. Getachew Assefa
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Environmental assessment
  • Building life cycle
  • Performance benchmarking
  • Life cycle assessment
  • Sustainable design
  • Deep impact reductions

Published Papers (2 papers)

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Research

25 pages, 4659 KiB  
Article
An Epitome of Building Floor Systems by Means of LCA Criteria
by Yovanna Elena Valencia-Barba, José Manuel Gómez-Soberón, María Consolación Gómez-Soberón and Fernando López-Gayarre
Sustainability 2020, 12(13), 5442; https://0-doi-org.brum.beds.ac.uk/10.3390/su12135442 - 06 Jul 2020
Cited by 7 | Viewed by 3336
Abstract
Studies of the elements that make up the structure of a building have generally focused on topics related to their physical and structural capacities. Although research has been carried out into environmental impact during the life cycle stages, the environmental profile is far [...] Read more.
Studies of the elements that make up the structure of a building have generally focused on topics related to their physical and structural capacities. Although research has been carried out into environmental impact during the life cycle stages, the environmental profile is far from established. This research aims to reduce the gap in the knowledge of this subject, offering useful information to professionals in the construction industry, which will enable them to consider environmental aspects when choosing the best construction systems. The present study applies the methodology of the life cycle assessment (LCA), to analyze and compare four floor construction systems in two different scenarios (“A” with a functional homogeneous unit of 1 m2 and “B” with 1 m² made up of the percentages of the floor system and the special areas of the building). The analysis is performed using the LCA Manager software, along with the Ecoinvent 3.1 database and with a cradle to handover perspective (A1–A5). Comparison was made using two environmental impact methodologies, Eco-indicator 99 and CML 2001. The results highlight the stages A1–A3 as those that generate the greatest environmental impact. Comparing the environmental profiles of the different floor systems, one-way floor systems I and II had the best environmental scores, 30% less than two-way floor system III and 50% less than slab floor system IV. Full article
(This article belongs to the Special Issue Environmental Assessment of Buildings for Deep Impact Reductions)
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15 pages, 3577 KiB  
Article
Comparative Life-Cycle Assessment of a High-Rise Mass Timber Building with an Equivalent Reinforced Concrete Alternative Using the Athena Impact Estimator for Buildings
by Zhongjia Chen, Hongmei Gu, Richard D. Bergman and Shaobo Liang
Sustainability 2020, 12(11), 4708; https://0-doi-org.brum.beds.ac.uk/10.3390/su12114708 - 09 Jun 2020
Cited by 52 | Viewed by 8652
Abstract
Buildings consume large amounts of materials and energy, making them one of the highest environmental impactors. Quantifying the impact of building materials can be critical to developing an effective greenhouse gas mitigation strategy. Using Athena Impact Estimator for Buildings (IE4B), this paper compares [...] Read more.
Buildings consume large amounts of materials and energy, making them one of the highest environmental impactors. Quantifying the impact of building materials can be critical to developing an effective greenhouse gas mitigation strategy. Using Athena Impact Estimator for Buildings (IE4B), this paper compares cradle-to-grave life-cycle assessment (LCA) results for a 12-story building constructed from cross-laminated timber (CLT) and a functionally equivalent reinforced concrete (RC) building. Following EN 15978 framework, environmental impacts for stages A1–A5 (product to construction), B2, B4, and B6 (use), C1–C4 (end of life), and D (beyond the building life) were evaluated in detail along resource efficiency. For material resource efficiency, total mass of the CLT building was 33.2% less than the alternative RC building. For modules A to C and not considering operational energy use (B6), LCA results show a 20.6% reduction in embodied carbon achieved for the CLT building, compared to the RC building. For modules A to D and not considering B6, the embodied carbon assessment revealed that for the CLT building, 6.57 × 105 kg CO2 eq was emitted, whereas for the equivalent RC building, 2.16 × 106 kg CO2 eq was emitted, and emissions from CLT building was 70% lower than that from RC building. Additionally, 1.84 × 106 kg of CO2 eq was stored in the wood material used in the CLT building during its lifetime. Building material selection should be considered for the urgent need to reduce global climate change impacts. Full article
(This article belongs to the Special Issue Environmental Assessment of Buildings for Deep Impact Reductions)
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