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Future scenarios for climate mitigation of new construction in Sweden: Effects of different technological pathways
KTH. RISE Res Inst Sweden, Eklandagatan 86, S-41261 Gothenburg, Sweden.ORCID iD: 0000-0003-3140-6823
IVL Swedish Environm Res Inst, Valhallavagen 8, S-11427 Stockholm, Sweden..
RISE Res Inst Sweden, Eklandagatan 86, S-41261 Gothenburg, 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
Elsevier, 2018. Vol. 187, p. 1025-1035
Keywords [en]
Building stock, Life cycle assessment, Low-carbon buildings, Climate scenarios, Biobased materials, Bioeconomy
National Category
Other Environmental Engineering
Identifiers
URN: urn:nbn:se:kth:diva-230474DOI: 10.1016/j.jclepro.2018.03.285ISI: 000432102500089Scopus ID: 2-s2.0-85047457062OAI: oai:DiVA.org:kth-230474DiVA, id: diva2:1217639
Note

QC 20180613

Available from: 2018-06-13 Created: 2018-06-13 Last updated: 2018-06-13Bibliographically approved

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Peñaloza, DiegoWålinder, MagnusFalk, Andreas

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