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Shi, Ligang and Qi, Xinzhu and Yang, Zhaojing and Tao, Lulu and Li, Yuqing and Qiu, Jinghan and Jiang, Xintong Comparative study of greenhouse gas emission calculations and the environmental impact in the life cycle assessment of buildings in China, Finland, and the United States. Journal of Building Engineering Volume 70, 1 July 2023, 106396, 70.

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The building sector is considered a leading contributor to global greenhouse gas (GHG) emissions. With the implementation of China's 2030 carbon peak and 2060 carbon-neutral strategy, significant quantitative research regarding low-carbon buildings is crucial. However, a considerable discrepancy remains between the low-carbon building development in China and other advanced countries; the calculation method of GHG emissions lacks international integration. Based on the life cycle assessment (LCA) theory, a comparative empirical analysis was conducted among residential and public building sets in China, Finland, and the United States considering the life-cycle GHG emissions, which demonstrated notable differences in the Product stage (A1–A3), Maintenance and material replacement stage (B1–B5), and Energy use stage (B6) between each building set. Different building retrofit scenarios were then established to study the emission reduction methods. The results suggest that clean energy sources, materials with low global warming potential, engineered wood structures, and steel structural beams in long-span buildings are conducive to reducing GHG emissions throughout the life-cycle of buildings.

Item Type: Article
Uncontrolled Keywords: Life cycle assessment; Greenhouse gas emission; Scenario modelling; Residential building; Public building
Subjects: English > Climate Change Adaptation
Depositing User: Susanna Carlsten
Date Deposited: 04 May 2023 04:48
Last Modified: 04 May 2023 04:48

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