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Requirements set by Swedish municipalities to promote construction with low climate change impact
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Hållbar utveckling, miljövetenskap och teknik, Hållbarhet, utvärdering och styrning.
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Byggvetenskap, Byggnadsmaterial.
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Hållbar utveckling, miljövetenskap och teknik, Hållbarhet, utvärdering och styrning.ORCID-id: 0000-0003-2949-422X
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2019 (Engelska)Ingår i: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 208, s. 117-131Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

This study investigates how Swedish municipalities work to reduce the climate change impact of building construction. It focuses on current practices related to promoting the use of sustainable construction materials and on barriers to environmental requirements in construction, in particular environmental performance requirements based on LCA procedures. Municipalities were surveyed about the existence of municipal policies dealing with environmental issues in construction, the knowledge level about these issues, and the measures and requirements used to promote materials with low climate change impact. The survey was followed by semi-structured interviews about current practices and barriers to environmental requirements in construction. Results show that large municipalities are more likely to have dedicated policies and implement more measures than their smaller counterparts. However, willingness to implement future measures and knowledge of sustainable construction do not vary significantly with municipality population. Efforts are often limited to procurement, municipal construction projects and discussions with stakeholders. When requirements are set, they are almost always based on prescribing a technical solution (e.g. use of timber) rather than assessing environmental performance (e.g. calculating greenhouse gases emissions with a LCA tool). Measures that municipalities can take as public authorities are restricted by the law, which remains ambiguous as to the legality of environmental performance requirements. Legal issues, limited knowledge and resources appear to be the main barriers to environmental performance requirements in construction. A strategy is proposed to o​v​e​r​

Ort, förlag, år, upplaga, sidor
Elsevier, 2019. Vol. 208, s. 117-131
Nyckelord [en]
LCA; life cycle assessment; livscykelanalys; municipality; kommun; construction; requirement; krav
Nationell ämneskategori
Miljöledning
Identifikatorer
URN: urn:nbn:se:kth:diva-244046DOI: 10.1016/j.jclepro.2018.10.053ISI: 000451362200011Scopus ID: 2-s2.0-85056186787OAI: oai:DiVA.org:kth-244046DiVA, id: diva2:1288903
Anmärkning

QC 20190218

Tillgänglig från: 2019-02-14 Skapad: 2019-02-14 Senast uppdaterad: 2019-02-18Bibliografiskt granskad
Ingår i avhandling
1. Buildings in municipal climate change mitigation strategies: towards life cycle thinking
Öppna denna publikation i ny flik eller fönster >>Buildings in municipal climate change mitigation strategies: towards life cycle thinking
2019 (Engelska)Licentiatavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

Fulfilling climate targets requires ambitious changes. The building sector is a large contributor to emissions of greenhouse gases (GHG), but also offers opportunities for climate change impact reductions. This thesis aims at supporting strategic decisions to reach climate change mitigation targets in the building sector, based on knowledge about what factors contribute significantly to climate impact from buildings in a life cycle perspective and how practitioners can influence these factors. More specifically, a first point of investigation concerns what aspects play a key importance in buildings’ climate impact, and what climate change mitigation strategies for the building sector should focus on. A quantitative analysis of backcasting scenarios for 2050 was performed using a spreadsheet model to estimate GHG emissions for the building sector. The parameters were adjusted to ensure that a GHG emission quota was reached in every scenario. This provided an illustration of four very different ways the building sector could contribute to the fulfillment of a global climate change mitigation target. The results were used to discuss what aspects of buildings were particularly important for target fulfillment. These aspects include a low-carbon energy mix, a reduction of GHG emissions from construction materials and an optimized use of space. A second point of investigation concerns how municipalities can influence practices through the use of environmental requirements in construction, in particular requirements based on a life cycle approach. A survey of Swedish municipalities was used to assess their current practices and knowledge level regarding mitigating climate change impact from construction, as well as the influence of a municipality’s size on these practices. It was followed up by semi-structured interviews investigating barriers to the use of environmental requirements in construction. Barriers were identified regarding in-house skills, access to data, resources, ambiguities regarding the law and guidance from national authorities. A stepwise strategy was suggested to overcome these barriers and successfully implement environmental requirements. Therefore, the thesis as a whole provides insight on how municipalities could use environmental requirements in construction to influence current practices in the building sector, so that the changes needed to fulfill the 1.5℃ target are implemented.

Ort, förlag, år, upplaga, sidor
Kungliga Tekniska högskolan, 2019. s. 55
Serie
TRITA-ABE-DLT ; 197
Nyckelord
building; lca; requirement; environmental performance; futures studies; backcasting; environmental engineering; sustainable urban planning
Nationell ämneskategori
Miljöledning Annan samhällsbyggnadsteknik
Forskningsämne
Planering och beslutsanalys; Byggvetenskap
Identifikatorer
urn:nbn:se:kth:diva-244063 (URN)978-91-7873-112-1 (ISBN)
Presentation
2019-04-03, E2, Lindstedtsvägen 3, E-huset, huvudbyggnaden, våningsplan 3, KTH Campus, Stockholm, 13:00 (Engelska)
Opponent
Handledare
Anmärkning

QC 20190218

Tillgänglig från: 2019-02-18 Skapad: 2019-02-15 Senast uppdaterad: 2019-02-18Bibliografiskt granskad

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Francart, NicolasErlandsson, MartinMalmqvist, Tove

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