• Title/Summary/Keyword: $CO_2$ Emissions reduction effect

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Study on the Analysis of the CO2 Emissions Reduction Effect through the Development of Internet Real Estate Information in Seoul (인터넷 부동산거래정보 발달에 따른 탄소저감효과 분석)

  • Lim, Mi-Hwa
    • Journal of Information Technology Services
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    • v.12 no.2
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    • pp.73-84
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    • 2013
  • The development of the information on the internet brought a lot of changes in the real estate market. Because the real estate has local distinctiveness and individuality household who want to move must to visit place for housing information. But now household use internet real estate information at every decision-moving step and that is able to reduce not only the cost of real estate information but also social benefit like $CO_2$ emissions reduction effect. In this study, I analyzed the effect of $CO_2$ emissions reduction with Seoul household residential mobility data when household take informations from internet real estate site. As increasing a single family who is good at internet service, the effect of $CO_2$ reduction from the development of the Internet real estate information has more increased.

Assessment of Greenhouse Gas Emissions from Landfills Based on Energy Recovery and Surface Emissions of Landfill Gas (매립가스의 에너지 회수 및 표면발산을 고려한 매립장 온실가스 배출 평가)

  • Lee, Yonghyun;Kwon, Yongchai;Chun, Seung-Kyu
    • New & Renewable Energy
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    • v.16 no.3
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    • pp.27-34
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    • 2020
  • This study involved a total budget analysis on the greenhouse gas (GHGs) emissions of landfills, focusing on surface emissions and the effect on emissions reductions of generating landfill gas (LFG) electricity from March 7, 2007 to December 31, 2018. The GHGs reduction effect from the electricity generation using 536.6 × 103 tCO2 of CH4 was only 5.8% of the GHGs from surface emissions of 9,191 × 103 tCO2. In the total budget, the collection ratio should be over 95% if the reduction effect is greater than the surface emissions. The correlation coefficient for the relationship between the LFG collection ratio and GHGs reduction was -0.89. An additional effect of lowering CH4 content may occur if the surface emitting flux of LFG decreased with an increase in the collection ratio. The unit reduction effect of GHGs by suppressing surface emissions was 4174 tCO2/TJ. This was far greater than that of LFG power generated (54.3 tCO2/TJ), demonstrating that surface emission control is the most important measure by which to mitigate GHGs emission.

Econometric Estimation of the Climate Change Policy Effect in the U.S. Transportation Sector

  • Choi, Jaesung
    • Journal of Climate Change Research
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    • v.8 no.1
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    • pp.1-10
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    • 2017
  • Over the past centuries, industrialization in developed and developing countries has had a negative impact on global warming, releasing $CO_2$ emissions into the Earth's atmosphere. In recent years, the transportation sector, which emits one-third of total $CO_2$ emissions in the United States, has adapted by implementing a climate change action plan to reduce $CO_2$ emissions. Having an environmental policy might be an essential factor in mitigating the man-made global warming threats to protect public health and the coexistent needs of current and future generations; however, to my best knowledge, no research has been conducted in such a context with appropriate statistical validation process to evaluate the effects of climate change policy on $CO_2$ emission reduction in recent years in the U.S. transportation. The empirical findings using an entity fixed-effects model with valid statistical tests show the positive effects of climate change policy on $CO_2$ emission reduction in a state. With all the 49 states joining the climate change action plans, the U.S. transportation sector is expected to reduce its $CO_2$ emissions by 20.2 MMT per year, and for the next 10 years, the cumulated $CO_2$ emission reduction is projected to reach 202.3 MMT, which is almost equivalent to the $CO_2$ emissions from the transportation sector produced in 2012 by California, the largest $CO_2$ emission state in the nation.

The Effect of Reducing Carbon Emissions, According to the Introduction of U-City System (U-City 시스템 도입에 따른 탄소배출량 저감 효과 분석)

  • Jung, Tae-Woong;Moon, Su-Jung;Kim, Yoon-Kwan;Koo, Jee-Hee
    • Spatial Information Research
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    • v.20 no.1
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    • pp.19-26
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    • 2012
  • Since $CO_2$ emissions are recognized as the biggest contribution to climate change, the needs and international efforts for $CO_2$ emissions reduction are increasing. The developed countries are driving strategies to boost green industry as a new growth engine. Following this global trend, based on the ongoing U-City project as a new city model, it is required to analyze the changes of $CO_2$ emissions in U-City to identify its potential for reducing carbon dioxide emissions. This study aims at identifying the potential and effects on $CO_2$ reduction by analyzing the level of $CO_2$ emissions before and after introducing U-City. Bundang-Gu, Seongnam-City & Ilsan-Gu, Goyang-City among Phase I new tow ns were selected as model cities before introducing U-City and Dongtan-Dong, Hwaseong-City as a model city after introducing U-City. The result showed 30% reduction of $CO_2$ emissions in the comparison of tw o models.

Development of a Model and Methodology for the Analysis of the $CO_2$ Emissions Reduction Effect through the Introduction of the G2B Systems in e-government : ECRE Approach (전자정부 G2B 시스템 도입에 따른 탄소저감효과 분석을 위한 모델 및 방법론 개발)

  • Lim, Gyoo-Gun;Lee, Dae-Chul;Lim, Mi-Hwa;Moon, Jong-In
    • The Journal of Society for e-Business Studies
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    • v.15 no.3
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    • pp.163-181
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    • 2010
  • As a part of efforts to reduce the global emissions of greenhouse gases, the Kyoto Protocol was signed by major developed countries ("Annex I" countries). According to the Kyoto protocol, the Emission Trading Scheme that derives a trading market of the $CO_2$ emission rights is appeared. It causes that business institutions give lots of efforts to reduce $CO_2$ by using new environmentally sound technologies or increasing efficiency in production. On the while there have been several studies trying to develop a methodology to measure the effect of $CO_2$ reduction and its monetary value. In this research we suggest ECRE (Evaluation of $CO_2$ Reduction in E-transformation) model which can measure the $CO_2$ reduction effect through the introduction of G2B system. ECRC model was developed based on the IPCC methodology. ECRC model measures the two major effects of the $CO_2$ reduction which are '$CO_2$ reduction effect from transportation' and '$CO_2$ reduction effect from the decrease of paper use'. In this paper, we calculate the economic effect of $CO_2$ reduction with the case of the G2B system in Korea. This research suggests a basic methodology to measure the $CO_2$ reduction performance for the e-transformed institution.

Emission Characteristics of a Gasoline Engine Using Ethanol Blended Fuel (가솔린 기관의 에탄올혼합연료의 배출가스 특성에 관한 연구)

  • 조행묵;정동화
    • Journal of Advanced Marine Engineering and Technology
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    • v.28 no.3
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    • pp.516-521
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    • 2004
  • In this paper, the effects of ethanol blended gasoline on emissions and their catalytic conversion efficiencies characteristics were investigated in gasoline engine with an electronic fuel injection. The results showed that the increase of ethanol concentration in the blended fuels brought the reduction of THC and $CO_2$ emissions from the gasoline engine. THC emissions were drastically reduced up to thirty percent. And brake specific fuel consumption was increased. but brake specific energy consumption was similar level. However. unburned ethanol and acetaldehyde emissions increased. The conversion efficiency of Pt/Rh based three-way catalysts and the effect of ethanol on CO and NOx emissions were investigated by the change of engine speed. load and air/fuel ratio. Furthermore, the ethanol blended fuel results in the reduction effect of THC. CO and NOx emissions at idle speed.

Decomposition Analysis of the Reduction in CO2 Emissions from Seven OECD Countries (OECD 7개 국가의 CO2 배출량 감소요인 분해 분석)

  • Cho, Hyangsuk
    • Environmental and Resource Economics Review
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    • v.26 no.1
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    • pp.1-35
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    • 2017
  • This study investigates a decomposition analysis of the determinants of the reduced $CO_2$ emissions in seven OECD countries that implemented carbon taxes from 1995 to 2013. Recent studies on decomposition analysis of changes in $CO_2$ emissions focused on technology-based physical factors; however, this study analyzes the effects of a carbon tax as an economic factor. According to the results obtained by using the Log Mean Divisia Index, the energy intensity effect and the carbon tax effect contributed the most towards the reduction of total $CO_2$ emissions in the seven OECD countries. The results for each country show that the emissions decreased due to the energy intensity effect, while the effects of carbon tax and carbon tax revenues differed by policy and environment of the countries.

The effect of nuclear energy on the environment in the context of globalization: Consumption vs production-based CO2 emissions

  • Danish, Danish;Ulucak, Recep;Erdogan, Seyfettin
    • Nuclear Engineering and Technology
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    • v.54 no.4
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    • pp.1312-1320
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    • 2022
  • The earlier studies have analyzed theoretical links between nuclear energy and carbon dioxide (CO2) emissions concerning territorial (or production-based) emissions. Here using the latest available dataset, this study explores the impacts of nuclear energy on production-based and consumption-based CO2 emission in the era of globalization for the Organization for Economic Co-operation and Development (OECD) countries. The Driscoll-Kraay regression method reveals that nuclear energy is beneficial for the reduction of production-based CO2 emissions. However, it is revealed that nuclear energy does not reduce consumption-based CO2 emissions that are traded internationally and hence not comprised in conventional production-based emissions (territory) inventories. Globalization tends to reduce both production-based and demand-based carbon emissions. Finally, Environmental Kuznets Curve (EKC) is validated for both kinds of CO2 emissions. The findings may deliver practical policy implications related to nuclear energy and CO2 emissions for selected countries.

$CO_2$ Reduction Effect Analysis of Modal Shift from Road to Rail using Life Cycle Thinking (전과정을 고려한 도로-철도 Modal Shift $CO_2$ 저감효과 분석)

  • Kim, Cho-Young;Lee, Cheul-Kyu;Choi, Yo-Han;Lee, Kun-Mo
    • Proceedings of the KSR Conference
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    • 2011.10a
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    • pp.2921-2927
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    • 2011
  • Modal Shift from road to rail has been adapted in several countries as one of effective ways of reducing $CO_2$ emissions caused by transport. Generally, effect analysis of $CO_2$ reduction toward modal shift is calculated mainly from use stage and less consideration from other stages of life cycle, even though, in some case of modal shift needs that new line construction or new vehicle manufacturing. In this study, modal shift effect analysis is performed with considering construction, manufacturing vehicle and use stage. As a result we can get total $CO_2$ reduction effect using life cycle thinking and check the necessity of including other life cycle stage not only considering use stage. In conclusion, there is no $CO_2$ reduction effect if the reduction amount of $CO_2$ in use stage is not bigger than allocated annual amount of $CO_2$ in construction and manufacturing vehicle stage. According to this fact, analysing $CO_2$ reduction effect of Modal Shift should be considered not only the use stage.

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A Study on Manufacturing Aggregation And Carbon Emission Intensity: Application of Spatial Panel Regression (국내 제조업 집적이 탄소 배출 강도에 미치는 영향: 공간패널회귀모형의 적용)

  • Zhen Wu;Hyun-Chung Kim
    • Korea Trade Review
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    • v.47 no.3
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    • pp.157-175
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    • 2022
  • This study calculates agglomeration indices of manufacturing specialization and diversification in different regions of South Korea. Two types of agglomeration indices are introduced into the spatial durbin model (SDM) to analyzes the effects of manufacturing agglomeration in Korea on CO2 emission intensity. The subjects of this study are 17 regions of South Korea , and the research period is from 2013 to 2019. This study also uses partial differential to analyze the direct and spillover effect of specialization and diversification agglomeration on CO2 emission intensity. From the perspective of direct effect, the results reveal that specialization agglomeration is an important factor contributing to Korea's CO2 emissions. However, diversification agglomeration has an obvious CO2 emission reduction effect. From the perspective of spillover effect, this study finds that specialization agglomeration in one region can also contribute to CO2 emissions in nearby regions. However, the development of diversification agglomeration in one region can have CO2 emission reduction spillover effect on neighboring regions.