PurposeThe demand to reduce carbon emissions has become an increasingly important social factor due to the unprecedented impacts of climate change. However, most existing publications have focused on minimizing emissions during the operational phase of buildings. At the same time, there is a lack of comprehensive research conducted on carbon emissions, specifically during the construction phase. The purpose of this paper is to identify, review and classify current practices related to carbon emissions management in construction operations to gain greater insight into how to reduce and mitigate emissions and achieve more sustainable solutions.Design/methodology/approachThis study reviewed the published literature on carbon emissions from construction. A total of 198 bibliographic records were extracted from the Scopus collection database and analyzed using Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA). PRISMA is used as a basis for reporting possible trends, research methods and strategies used in published literatures. A total of 99 papers related to carbon emissions in the construction operations were further reviewed and analyzed. This review paper draws on existing research and identifies current carbon management patterns in construction projects.FindingsData indicated an upward trend in the number of publications in carbon emissions research during the last few years, particularly in 2015, 2017 and 2019. The most significant contributions to the domain were reported from China, Europe and the USA. This paper found that most studies conduct the Life Cycle Assessment (LCA) method to estimate carbon emissions. This paper found that the primary studies have focused on construction machinery and equipment emissions. The strategies such as establishing uniform standards for carbon emissions policies and regulations, equipment and logistic planning and low carbon design material will potentially impact carbon emissions reductions.Practical implicationsThis paper provides information that will be beneficial for the construction industry to design and manage construction operations. It will also be of interest to those looking to reduce or manage construction emissions.Originality/valueAlthough there is a diversity of current thinking related to the practical estimation and management of carbon emissions in construction projects, there is no consolidated set of keys of standardized carbon emissions management in practice. By assessing the existing paradigms of carbon assessment methods and tactics in the construction industry, this study contributed to the existing knowledge base by providing insights into current techniques in the construction sector for monitoring and mitigating emissions.
A recent study has focused on environmental challenges due to the construction industry’s elevated energy consumption and greenhouse gas (GHG) emissions. A more effective low-carbon development implementation relies on proper emissions management throughout the construction industry. The purpose of this research is to investigate current industry practises in managing emissions in construction projects and the driving factors that influence the efficacy of emissions in construction operations. This study relied on information gathering from eighty-three respondents and thirteen expert interviews with stakeholders engaged in construction projects. Emissions management and monitoring are still underdeveloped, despite growing awareness and commitment to developing low-carbon growth. This study’s findings also highlighted that the primary constraints to the industry’s adaptation of emissions-reduction strategies exist at the institutional, organisational, and individual levels. This article proposed that government support, capacity building, and the development of emissions monitoring techniques and technologies are vital to minimizing emissions. This study contributed to the existing information on the current understanding and practices of the construction sector in Malaysia in adopting emissions management, the key obstacles, and recommendations for proper implementation. By addressing concerns regarding promoting low-carbon enhancement and adoptionin Malaysia, the findings of this research could assist stakeholders in the construction industry.
The integration of green technology in urban development has become an imperative measure towards effective implementation of low carbon city policy. Therefore, this study aims to identify the strengths-weaknesses-opportunities-threats (SWOT) of green technologies adoption in low carbon city development. Responses from fifty-seven (57) respondents and five (5) experts of local city players were collected through survey questionnaires and interviews. The results showed that the role of government is recognized as an effective catalyst for green development while the lack of awareness and technical capacity identified as the weaknesses in adopting green technology in low carbon city development. Findings from the study also indicate that green technology transfer provides opportunity to promote economic development while green investment risk as a threat towards successful adoption of green technology in low carbon cities. The findings of this study could help policy makers to identify specific SWOT in green technologies adoption and develop suitable strategies towards conceptualization of low carbon city enhancement in Malaysia. This study contributes to the current body of knowledge concerning the insights of current status of green technology application for the development of low carbon city in developing countries especially Malaysia.
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