• Title/Summary/Keyword: energy consumption$CO_2$ emission

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Is Economic Globalization Destructive to Air Quality? Empirical Evidence from China

  • GURBUZ, Eren Can
    • The Journal of Asian Finance, Economics and Business
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    • v.9 no.10
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    • pp.15-27
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    • 2022
  • Recently, as carbon dioxide (CO2) emissions have increased overall and contributed to air pollution, and awareness of environmental degradation has grown. This study examines the impacts and causalities of economic globalization, economic growth, energy consumption, and capital formation on CO2 emissions in China over the period 1971-2014. The vector error correction model (VECM) and Granger causality test on time-series data are employed to observe the interactions between CO2 emission, economic globalization, and various economic factors, including economic growth, energy consumption, and capital formation, since China's early stage of globalization. The empirical results indicate the existence of bidirectional causalities from economic growth, gross capital formation, economic globalization, and CO2 emission to energy consumption, and bidirectional casualty from energy consumption to CO2 emission relationships in the short run. The findings of this study suggest that indirect bidirectional causalities from economic growth, economic globalization, and capital formation to CO2 emission through energy consumption are observed. Moreover, economic globalization accelerates CO2 emission in the short run but decreases it in the long run. To reduce CO2 emissions, and to ensure sustainable economic growth and economic globalization progress, some crucial energy-saving and energy-efficiency policies, regulatory rules, and laws are recommended.

An Analysis on Causalities Among GDP, Electricity Consumption, CO2 Emission and FDI Inflow in Korea (한국의 경제성장, 전력소비, CO2 배출 및 외국인직접투자 유입 간 인과관계 분석)

  • Park, Chang-dae;Kim, Sung-won;Park, Jung-gu
    • Journal of Energy Engineering
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    • v.28 no.2
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    • pp.1-17
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    • 2019
  • This article analyzes causal relationships among gross domestic product(GDP), electricity consumption, carbon dioxide($CO_2$) emission and foreign direct investments(FDI) inflow of Korea over the period from 1976 to 2014, using unit root test, cointegration test, and vector error correction model(VECM). As the results, this article found (1) a long-run bi-directional causality between GDP and electricity consumption, which may imply a negative impact of electricity consumption-saving policy on economic growth, (2) uni-directional short- and long-run causalities running from $CO_2$ emission to GDP, and a uni-directional long-run causality running from $CO_2$ emission to electricity consumption, which can result in a negative impact of $CO_2$ emission reduction policy on economic growth and electricity consumption, (3) a uni-directional long-run causality running from FDI to GDP, and uni-directional short- and long-run causalities running from FDI to electricity consumption, which may result from relatively lower electricity prices than investing countries, (4) no causality between FDI and $CO_2$ emission, which is based on the characteristics of FDI composed of service industries. Considering the above causal relationships among the four variables, the policy implication needs to focus on the electricity demand management based on the relevant R&Ds, and on the gradual transition from fossil fuel- to renewable-energy. Adaptive policy to increase the FDI inflow is also needed.

Evaluation of Life Cycle Energy Consumption and CO2 Emission of Elementary School of Buildings (초등학교 건축물의 생애주기 에너지사용량 및 이산화탄소 배출량 평가)

  • Ji, Changyoon;Hong, Taehoon;Jeong, Jaewook
    • Korean Journal of Construction Engineering and Management
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    • v.17 no.3
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    • pp.52-60
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    • 2016
  • This study investigates and analyzes the total amount of energy consumption and $CO_2$ emission during the material manufacturing, transportation, construction, operation, and disposal phases of eight elementary school buildings in South Korea. Toward this ends, the hybrid LCA model is proposed. The life cycle energy consumption and $CO_2$ emission of eight case buildings are assessed using the hybrid LCA model with an assumption that the operation period is 40 years. As a result, the embodied(sum of the energy consumption in the material manufacturing, transportation and construction phases), operational and disposal energy were 2,279, 11,182, $228Mcal/m^2$, respectively, on average. The average embodied, operational, and disposal $CO_2$ emission were 604, 2,708, 60 kg-$CO_2/m^2$, respectively, on average. This result indicates that about 17% of life cycle energy (or $CO_2$ emission) is consumed in the material manufacturing, transportation and construction phases. Thus, it is necessary to consider the embodied energy and $CO_2$ emission to reduce the life cycle energy and $CO_2$ emission of school buildings. In addition, while the insulation standard of building have been provided based on the climate zone, energy consumption in operation phase still varied depending on the regions in this study. Thus, the insulation standard of building needs to be improved through considering the climate of regions in detail.

Efficiency at Energy Industry : A Comparison of Energy Consumption Efficiency among Asian Pacific Countries

  • Kim, Tae-Ho
    • International Journal of Quality Innovation
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    • v.9 no.3
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    • pp.113-121
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    • 2008
  • This paper proposes a scheme to estimate the technical efficiency of energy consumption and production and shadow prices of $CO_2$ emission in country-level at Asia Pacific countries by Data Envelopment Analysis (DEA). The result of technical efficiency estimation shows that there exists an heterogeneity and a substantial opportunity for improvement in technical efficiency at energy consumption and production across countries, specially in the $CO_2$ emission, which implies that more pollutant are spread in air. Each country will have the different willingness to pay for the additional $CO_2$ emission right and this result enables us to predict the competition in international $CO_2$ emission right market.

Estimation and Feature of Greenhouse Gas Emission in Building Sector by National Energy Statistic (국가 에너지통계에 따른 건물부문 온실가스 배출량 추계 및 특성)

  • Jeong, Young-Sun;Kim, Tae-Hyoung
    • Journal of the Architectural Institute of Korea Structure & Construction
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    • v.35 no.7
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    • pp.187-195
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    • 2019
  • In December 2015, The Paris Agreement was adopted to undertake ambitious efforts to combat climate change. Korean government announced its goal of reducing the country's greenhouse gas emissions by up to 37% below business as usual projections by 2030 in 2015. The purpose of this study was to set up the calculation methodology of GHG emission($CO_{2e}$) in building sector and to estimate the annual GHG emission in building sector based on national energy consumption statistic. The GHG emission from buildings is about 135.8 million ton $CO_{2e}$ as of 2015, taking up about 19.6% of Korea's entire emission and is about 144.7 million ton $CO_{2e}$ in 2017. The GHG emission of building sector is increasing at annual rate of 2.0% from 2001 to 2017. The GHG emission from electricity consumption in buildings is 91.8 million ton $CO_{2e}$ in 2017, is the highest $CO_2$ emission by energy source. The results show that the intensity of GHG emission of residential building sector is $40.6kg-CO_{2e}/m^2{\cdot}yr$ and that of commercial building sector is $68.4kg-CO_{2e}/m^2{\cdot}yr$.

Regional Disparity and Its determinants of $CO_2$ Emissions from Residential Energy Consumption in China (주거 에너지 소비에 따른 이산화탄소 배출량의 지역 격차와 격차요인 분석 -중국의 성(省)급을 대상으로 하여-)

  • Li, Shun Cheng;Lee, Hee Yeon
    • Journal of the Economic Geographical Society of Korea
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    • v.16 no.2
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    • pp.149-166
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    • 2013
  • The purpose of this study is to analyze the regional disparity and its determinants of $CO_2$ emission from the residential energy consumption in China. This study examines factors that affect the $CO_2$ emission per capita using the panel model. The panel model was set by a balanced panel data for 30 provinces and for the period of 2006~2011. $CO_2$ emission per capita is used as the dependent variable and characteristics of the household and regional physical environmental factors are selected as the explanatory variables. The important findings can be summarized as follows. $CO_2$ emission per capita is influenced by the ratio of the graduate students, household size, the ratio of the old-aged, female economic participation rate. High residential density is negatively affected on $CO_2$ emission. The findings suggest that the effect of policies reducing $CO_2$ emission per capita may vary by characteristics of the household, energy sources and regional climate. The results of this empirical study give some implications to reduce the residential energy consumption in the era of climate change.

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Energy Consumption and GHG Emissions from Fuel Combustion in Korean Livestock Sector (축산업의 에너지 소비 및 연료연소에 의한 온실가스 배출 특성)

  • Shim, Sunghee;Lee, Bo Hye;Park, Tae Sik;Jeong, Kyonghwa
    • Journal of Climate Change Research
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    • v.6 no.4
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    • pp.267-276
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    • 2015
  • This study estimates Korea's livestock energy consumption and GHG emissions from Korean livestock sector. The results show that livestock energy consumption in 2013 is 474 thousand TOE, 19.0% of total energy consumption in agriculture sector. It is estimated that GHG emission of fuel combustion from livestock sector is 956 thousand tons of $CO_2$ equivalent while a total of 4,589 thousand tons of $CO_2$ equivalent is emitted from agriculture sector. The livestock GHG emission as a proportion of the total agriculture GHG emissions (20.8%) is higher than the livestock energy consumption as a proportion of agriculture energy consumption (19.0%). This is because coal and petroleum consumption in livestock sector as a proportion of the total livestock energy consumption is higher than that in agriculture sector.

A Study on Energy Consumption and Estimation of CO2 from Re-bar Production (철근 생산과정의 에너지 사용량 및 CO2배출량 산출에 관한 연구)

  • Choi, Jae-Hwi;Lee, Dong-Hoon;Kwon, Gi-Deoc;Kim, Sun-Kuk
    • KIEAE Journal
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    • v.10 no.4
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    • pp.101-109
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    • 2010
  • As global warming progresses, nations around the world are trying to reduce emission of $CO_2$ that accounts for the greatest portion of greenhouse gases. To reduce $CO_2$ emission, it is first necessary to estimate $CO_2$ emission of each industry. Government authorities estimate basic unit of $CO_2$ emission from re-bar that is one of the key materials of construction industry with LCA technique (Life Cycle Assessment). However, basic unit of $CO_2$ emission varies from organization to organization. The Ministry of Land, Transport and Maritime Affairs (2004) publishes it 3.48($TCO_2/ton$) and 0.30($TCO_2/ton$) with input-output analysis while the Korea Environmental Industry & Technology Institute (2008) defines it as 0.34($TCO_2/ton$) with process analysis, which indicates ambiguity in application of basic unit of $CO_2$emission. Based on the analysis of conventional methods used for estimating the $CO_2$ emission, therefore, this research suggests existing problems on the methods and focuses on proposing an strategy to effectively estimate the basic unit of $CO_2$ emission according to the energy consumption limited to the re-bar production in steel mill in order to overcome the problems. The result of this research is expected to be helpful in calculating and reducing $CO_2$ emission.

A Study on the Causalities Among GDP, Electric Consumption, CO2 Emission and Environmental Regulation in Korea (한국의 경제성장, 전력소비량, 이산화탄소 배출량 및 환경규제 간 인과관계 분석)

  • Jin, Bo-young;Kim, Geun-u;Park, Jung-gu
    • Journal of Energy Engineering
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    • v.29 no.1
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    • pp.1-12
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    • 2020
  • The rapid climate change is strengthening carbon emissions regulations internationally. Korea is strongly pressed to accept the obligation to reduce greenhouse gases as one of the United Nations Framework Convention on Climate Change. This article analyzed the Granger causalities among environmental regulation, economic growth, electricity consumption, and CO2 emission in Korea, using unit root test, cointegration test, and vector error correction model. As the results, environmental regulation has shown the bidirectional causalities with electricity consumption and CO2 emission, while being unilaterally affected by economic growth in the long-run and strong relationship. Economic growth has affected electricity consumption, CO2 emission, and environmental regulation in the long-run, in the complex structure of the unilateral and short-run causality with electricity consumption and the bidirectional causality with CO2 emission. The policy implications will be as follows: ① environmental regulation should induce sustainable growth through encouraging technological innovation relating to CO2 reduction and productivity enhancement. ② Responding to the international CO2 reduction regulation, the synthetic policy initiatives will be considered to make synergy effects among policies relating to economic growth, electricity consumption.

A Comparison of Embodied Energy and Environmental Impacts between the Steel-Structured and Wall-typed Apartment Housing (철골조와 벽식조 공동주택의 환경영향 비교 연구)

  • 이강희
    • Journal of the Korean housing association
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    • v.15 no.3
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    • pp.83-91
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    • 2004
  • In a planning stage, the assessment system is required to select the proper alternative, reflected the environmental affects such as energy, $CO_2$ and $SO_x$. Unit of energy consumption, $CO_2$ emission and $SO_x$ emission among various assessment systems could be effectively utilized to select the better alternative among various building types. But researches for these areas has not been conducted systematically, but limitedly and sporadically. In this paper, it aimed at providing the unit of energy consumption, $CO_2$ emission and $SO_x$ emission to evaluate the environmental affects between the steel-structured apartment building and wall-typed apartment building. For this, the input-output analysis could be utilized in the construction stage with two-type apartment housing. This approach can be utilized to compare the various alternatives in aspect of the energy consumption and the environment affect, and to select the relatively better alternative. This study found that the unit of energy, $CO_2$ and $SO_x$ of the steel-structured apartment building is lower than that of the wall-typed building