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Buildings 2018, 8(11), 147;

Comprehensive Evaluation of Carbon Emissions for the Development of High-Rise Residential Building

Development and Construction Division, Housing Department, Housing Authority Headquarters, Ho Man Tin, Hong Kong, China
Department of Civil Engineering, The University of Hong Kong, Pokfulam, Hong Kong, China
Research & Development, Construction Industry Council, 38/F, COS Centre, 56 Tsun Yip Street, Kwun Tong, Kowloon, Hong Kong, China
Author to whom correspondence should be addressed.
Received: 4 September 2018 / Revised: 17 September 2018 / Accepted: 17 October 2018 / Published: 23 October 2018
(This article belongs to the Special Issue Environmental Impact Assessment of Buildings)
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Despite the fact that many novel initiatives have been put forward to reduce the carbon emissions of buildings, there is still a lack of comprehensive investigation in analyzing a buildings’ life cycle greenhouse gas (GHG) emissions, especially in high-density cities. In addition, no studies have made attempt to evaluate GHG emissions by considering the whole life cycle of buildings in Hong Kong. Knowledge of localized emission at different stages is critical, as the emission varies greatly in different regions. Without a reliable emission level of buildings, it is difficult to determine which aspects can reduce the life cycle GHG emissions. Therefore, this study aims to evaluate the life cycle GHG emissions of buildings by considering “cradle-to-grave” system boundary, with a case-specific high-rise residential housing block as a representative public housing development in Hong Kong. The results demonstrated that the life cycle GHG emission of the case residential building was 4980 kg CO2e/m2. The analysis showed that the majority (over 86%) of the emission resulted from the use phase of the building including renovation. The results and analysis presented in this study can help the relevant parties in designing low carbon and sustainable residential development in the future. View Full-Text
Keywords: greenhouse gases; residential building; life cycle assessment greenhouse gases; residential building; life cycle assessment

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Yim, S.Y.C.; Ng, S.T.; Hossain, M.U.; Wong, J.M.W. Comprehensive Evaluation of Carbon Emissions for the Development of High-Rise Residential Building. Buildings 2018, 8, 147.

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