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Sustainability 2016, 8(6), 579; doi:10.3390/su8060579

A Study on Life Cycle CO2 Emissions of Low-Carbon Building in South Korea

Building and Urban Research Institute, Korea Institute of Civil Engineering and Building Technology, Daehwa-dong 283, Goyangdae-ro, Ilsanseo-gu, Goyang-si, Gyeonggi-do 10223, Korea
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Academic Editor: Tan Yigitcanlar
Received: 25 February 2016 / Revised: 27 April 2016 / Accepted: 8 June 2016 / Published: 20 June 2016
(This article belongs to the Section Sustainable Urban and Rural Development)
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Abstract

There have been much interest and many efforts to control global warming and reduce greenhouse gas (GHG) emissions throughout the world. Recently, the Republic of Korea has also increased its GHG reduction goal and searched for an implementation plan. In buildings, for example, there have been technology developments and deployment policies to reduce GHG emissions from a life cycle perspective, covering construction materials, building construction, use of buildings and waste disposal. In particular, Korea’s Green Standard for Energy and Environmental Design is a certification of environmentally-friendly buildings for their energy saving and reduction of environmental pollution throughout their lives. In fact, the demand and adoption of the certification are rising every year. In construction materials and buildings, as a result, an environmentally-friendly aspect has become crucial. The importance of construction material and building development technologies that can reduce environmental load by diminishing GHG emissions in buildings has emerged. Moreover, there has been a rising necessity to verify the GHG reduction effects of buildings. To assess the reduction of carbon emissions in the buildings built with low-carbon construction technologies and materials, therefore, this study estimated life cycle carbon emissions in reference buildings in which general construction materials are used and in low-carbon buildings. For this, the carbon emissions and their reduction from construction materials (especially concrete) between conventional products and low-carbon materials were estimated, using Life Cycle Assessment (LCA). After estimating carbon emissions from a building life cycle perspective, their reduction in low-carbon buildings compared to the reference buildings was reviewed. The results found that compared to conventional buildings, low-carbon buildings revealed a 25% decrease in carbon emissions in terms of the reduction of Life Cycle CO2 (LCCO2) per unit area. If diverse production technologies and sales routes are further developed for low-carbon construction materials, carbon emission reduction effects would considerably increase. View Full-Text
Keywords: life cycle CO2; Korea Life Cycle Inventory Database (KLCI DB); carbon reduction; low-carbon construction materials; building life cycle CO2; Korea Life Cycle Inventory Database (KLCI DB); carbon reduction; low-carbon construction materials; building
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Cho, S.-H.; Chae, C.-U. A Study on Life Cycle CO2 Emissions of Low-Carbon Building in South Korea. Sustainability 2016, 8, 579.

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