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Future scenarios for climate mitigation of new construction in Sweden: Effects of different technological pathways
RISE - Research Institutes of Sweden, Built Environment, Energy and Circular Economy. KTH Royal Institute of Technology, Sweden.ORCID iD: 0000-0003-3140-6823
IVL Swedish Environmental Research Institute, Sweden.
RISE - Research Institutes of Sweden, Built Environment, Energy and Circular Economy.
KTH Royal Institute of Technology, Sweden.
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2018 (English)In: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 187, p. 1025-1035Article in journal (Refereed) Published
Abstract [en]

A variety of climate mitigation strategies is available to mitigate climate impacts of buildings. Several studies evaluating the effectiveness of these strategies have been performed at the building stock level, but do not consider the technological change in building material manufacturing. The objective of this study is to evaluate the climate mitigation effects of increasing the use of biobased materials in the construction of new residential dwellings in Sweden under future scenarios related to technological change. A model to estimate the climate impact from Swedish new dwellings has been proposed combining official statistics and life cycle assessment data of seven different dwelling typologies. Eight future scenarios for increased use of harvested wood products are explored under different pathways for changes in the market share of typologies and in energy generation. The results show that an increased use of harvested wood products results in lower climate impacts in all scenarios evaluated, but reductions decrease if the use of low-impact concrete expands more rapidly or under optimistic energy scenarios. Results are highly sensitive to the choice of climate impact metric. The Swedish construction sector can only reach maximum climate change mitigation scenarios if the low-impact building typologies are implemented together and rapidly.

Place, publisher, year, edition, pages
2018. Vol. 187, p. 1025-1035
Keywords [en]
Biobased materials, Bioeconomy, Building stock, Climate scenarios, Life cycle assessment, Low-carbon buildings, Climate models, Competition, Concrete products, Construction industry, Housing, Life cycle, Wood products, Bio-based materials, Building stocks, Life Cycle Assessment (LCA), Climate change
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-33959DOI: 10.1016/j.jclepro.2018.03.285Scopus ID: 2-s2.0-85047457062OAI: oai:DiVA.org:ri-33959DiVA, id: diva2:1230422
Note

 Funding details: EnWoBio 2014-172, Svenska Forskningsrådet Formas

Available from: 2018-07-03 Created: 2018-07-03 Last updated: 2018-07-09Bibliographically approved

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