scholarly journals Carbon Emission Efficiency Measurement of Construction Industry and Its Treatment Measures-A Case Study of Henan Province, China

2021 ◽  
Vol 20 (2) ◽  
Author(s):  
Zhang Hui ◽  
Du Liu Jie ◽  
Wang Bai Tian ◽  
Qi Ping
Keyword(s):  
Construction Industry ◽  
Carbon Emission ◽  
Henan Province ◽  
Efficiency Measurement ◽  
Emission Efficiency ◽  
Treatment Measures

scholarly journals Influencing Factors of Carbon Emissions in the Construction Industry Based on Logarithmic Mean Divisia Index: A Case Study of China

2021 ◽  
Vol 20 (4) ◽  
Author(s):  
Wang Lijuan
Keyword(s):  
Economic Development ◽  
Energy Saving ◽  
Construction Industry ◽  
Influencing Factors ◽  
Carbon Emissions ◽  
Emission Reduction ◽  
Carbon Emission ◽  
Henan Province ◽  
Logarithmic Mean

Carbon emission is further intensified as urbanization and industrialization continue to accelerate. China has maintained its rapid economic development and urbanization in the last 2 decades. The development of the construction industry has not only consumed a large number of energy sources but also resulted in significant carbon emissions, causing some environmental damage. Recognizing the major influencing factors of carbon emissions in the construction industry has become a research hotspot to alleviate environmental pollution caused by the construction industry and meet industrial demands for energy saving and emission reduction. In this study, the factors that influence annual carbon emissions of different building types in China from 2011 to 2018 were decomposed by Logarithmic Mean Divisia Index (LMDI) through a case study in Henan Province. The major influencing factors of carbon emissions have been identified. Results demonstrate that the per capita carbon emission in the construction industry in Henan Province remains high from 2011 to 2018, but it decreases year by year. Carbon emissions from the construction industry in Henan Province increase due to economic development and energy structure. Energy efficiency can inhibit carbon emissions from the construction industry in Henan Province. The obtained conclusions have a positive effect on analyzing annual variations in carbon emissions from the construction industry in a region, identifying influencing factors, and proposing specific countermeasures of energy saving and emission reduction.

scholarly journals A study of key players in developing low carbon buildings/communities in Canada: a case study in Ontario

2021 ◽  
Author(s):  
Christine Chow
Keyword(s):  
Construction Industry ◽  
Carbon Emission ◽  
Low Carbon ◽  
Developed Country ◽  
Ongoing Research ◽  
Research Activities ◽  
Key Players ◽  
Technical Factors ◽  
Low Carbon Emission

Architects, engineers, developers, contractors, building facility managers, and relevant governmental officers are the key players in developing and managing low-carbon buildings and communities, whose decisions and actions largely determine the level of carbon emission from them. This study is intended to investigate how these key players perform in current practices and to identify any areas for improvement. This paper presents a case study conducted in Ontario, Canada's province that can best represent the leading development industry within a developed country. A significant number of key players were surveyed through questionnaires and interviews. Key findings include: (1) Although low-carbon emission is a target for the Ontario construction industry, design considerations are still highly dependent on financial limitations and more attention is required towards technical factors and (2) knowledge, skills and tools are not sufficient to support improvements to low-carbon design and development. This paper also discusses ongoing research activities and anticipated outcomes.

scholarly journals A study of key players in developing low carbon buildings/communities in Canada: a case study in Ontario

2021 ◽  
Author(s):  
Christine Chow
Keyword(s):  
Construction Industry ◽  
Carbon Emission ◽  
Low Carbon ◽  
Developed Country ◽  
Ongoing Research ◽  
Research Activities ◽  
Key Players ◽  
Technical Factors ◽  
Low Carbon Emission

Architects, engineers, developers, contractors, building facility managers, and relevant governmental officers are the key players in developing and managing low-carbon buildings and communities, whose decisions and actions largely determine the level of carbon emission from them. This study is intended to investigate how these key players perform in current practices and to identify any areas for improvement. This paper presents a case study conducted in Ontario, Canada's province that can best represent the leading development industry within a developed country. A significant number of key players were surveyed through questionnaires and interviews. Key findings include: (1) Although low-carbon emission is a target for the Ontario construction industry, design considerations are still highly dependent on financial limitations and more attention is required towards technical factors and (2) knowledge, skills and tools are not sufficient to support improvements to low-carbon design and development. This paper also discusses ongoing research activities and anticipated outcomes.

scholarly journals Tracking the Domestic Carbon Emission Intensity of China’s Construction Industry: A Global Value Chain Perspective

2021 ◽  
Vol 9 ◽  
Author(s):  
Xiaoping Li ◽  
Yuan Yu ◽  
Xunpeng Shi ◽  
Xin Hu
Keyword(s):  
Construction Industry ◽  
Value Chain ◽  
Emission Intensity ◽  
Carbon Emission ◽  
Value Added ◽  
Intermediate Input ◽  
Direct Production ◽  
Emission Efficiency ◽  
Carbon Emission Intensity ◽  
Input Structure

China is the largest producer of carbon in the world. China’s construction industry has received widespread attention in recent years due to its environmental issues. However, little research has been conducted to investigate the environmental efficiency of the domestic part of this industry. As the foreign contribution is beyond China’s control, identification of domestic carbon emissions is necessary to formulate effective policy interventions. Based on a multi-regional input‐output model, this study attempts to reduce the statistical bias associated with international trade, thereby obtaining a more accurate indicator of domestic carbon emission intensity. This study aims to reveal the change in the domestic carbon emission intensity of China’s construction industry during 2000–2014 and analyze the reason behind it. The results show that, first, both the constructed intensity indicator and commonly used measures of carbon emission intensity have exhibited a decreasing trend over the study period. However, the former has been consistently larger than the latter. Moreover, this difference first increased and then suddenly decreased after a particular year. Second, although the domestic carbon emission intensity shows a gradually declining trend, it has moved from second to first in global rankings, implying that China’s domestic construction industry’s carbon emission efficiency, while falling, lags behind other major economies. Third, the structural decomposition results reveal that changes in direct production emission intensity are the leading causes of the decline in domestic carbon emission intensity. In contrast, a change in the intermediate input structure led to an increase in the emission intensity in China’s construction industry. In addition, the enormous gaps of domestic carbon emission intensity in the construction industry between China and the selected countries are mainly attributable to the difference in the intermediate input structure. The study suggests that China’s construction industry needs to promote high value-added output, optimize intermediate input structure, and improve energy and emission efficiency.

scholarly journals Environmental Efficiency of Construction Industry with onsiderations to Carbon Emission: A Case Study in Henan, China

2021 ◽  
Vol 20 (4) ◽  
Author(s):  
Xin Youyang ◽  
Li Xiuzhong ◽  
Shang Li
Keyword(s):  
Growth Rate ◽  
Energy Efficiency ◽  
Energy Consumption ◽  
Construction Industry ◽  
Index System ◽  
High Energy ◽  
Henan Province ◽  
Environmental Efficiency ◽  
Consumption Growth

Low energy utilization is observed in China due to the extensive economic growth mode, which further leads to considerable energy wastes and environmental pollution. The construction industry plays an important role in the national economic development of China and consumes tremendous materials; thus, this industry discharges abundant CO2. The energy consumption growth rate of the construction industry in China is far higher than the national energy consumption growth rate, resulting in the prominent situation of high energy consumption and low yield. A case study based on Henan Province, China, was conducted to further analyze the environmental efficiency of the construction industry. An index system was established by using the Super-slack-based model (Super-SBM). This system chooses the following: labor, energy, capital, and technology of the construction industry as the input variables, economic output as the output variable, and carbon emissions as the unexpected output. This system was also used to investigate the energy efficiency of the construction industry in Henan Province from 2008 to 2019. Results demonstrated that the construction industry in Henan Province has failed to eliminate the extensive development mode thus far. The environmental efficiency of the construction industry presents a fluctuating growth with a mean of 1.048, which generally remains at a relatively low level. The numbers of construction machines and enterprises in the construction industry have redundancy in approximately 50% of the years. Thus, this study can provide some positive references to enrich the evaluation index system and estimation model of energy efficiency of the construction industry, which includes unexpected output. Moreover, the current study can provide a comprehensive understanding of the environmental efficiency of the construction industry in a province in China and realize reasonable allocation of construction industrial resources.

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