• Title/Summary/Keyword: low-carbon paradigm

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An Empirical Analysis on Correlation between Carbon Emission and Urban Spatial Structure (도시공간구조와 탄소배출량간 상관관계 실증 분석)

  • Ryu, Yoon-Jin;Sohn, Se-Hyoung;Kim, Do-Nyun
    • Journal of Korean Society for Atmospheric Environment
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    • v.28 no.3
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    • pp.273-281
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    • 2012
  • The government is carrying forward a sustainable development which reduces green-house gas and environmental pollution by preparing 'Low Carbon Green Development' policy basis as a new paradigm of national development. This study aims to understand the status of atmosphere contamination which Seoul has by finding correlation among social, economical indexes and carbon, the humanities and social characteristic materials which best express types of city and correlation and to suggest implications. According to the results of the analysis, first the carbon emission volume of Seoul recorded 0.56 ppm, Jongno, Jung-Gu, Kuro, Kangnam and Songpa were more than the average of Seoul and Kwangjin-Gu & Kangbuk-Gu, relative north east regions, Yeongdeungpo-Gu and Dongjak-Gu, south west regions showed lower CO occurrences. Second, according to the correlation and factor analysis, elements which affect CO emission volume of Seoul are largely represented by regional level, traffic level and development density level. Third, when the importance of influence factors based on the analyzed standard coefficient by a regression model, traffic and development density level were most important by recording traffic level (0.967), environmental level (0.385), regional level (0.530) and development density (0.561). Consequently, it was revealed that the traffic level most affected CO emission.

Analysis of the energy recycling efficiency for railway operation (그린 철도운행을 위한 에너지 재활용 효율 분석)

  • Kim, Dong-Hui;Lee, Cheol-Gyu
    • Proceedings of the Safety Management and Science Conference
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    • 2012.04a
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    • pp.159-166
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    • 2012
  • Recently, by the whole world paradigm shift to "Low Carbon Green Growth", it is required to renovate National Transportation and Logistics System. Transportation accounts for 21% of the total energy consumption and 20% of the total $CO_2$ emission, and also places its main reliance on fossil fuels. From green point of view, electric railway system is superior to the other transportation alternatives, but also required to develop the innovative technologies for high efficiency and low energy consumption. In this paper, the concept of railway green operation system by regenerative synchronized driving is presented, including the numerical example and the estimated effect.

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A Study on Actual Condition Analysis of Solar Thermal System Demonstrative Enterprise in the J City (J시 태양열 시범사업의 실태조사.분석에 관한 연구)

  • Yoo, Dong-Chul;Lee, Doo-Ho;Lee, Eung-Jik
    • 한국태양에너지학회:학술대회논문집
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    • 2011.04a
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    • pp.80-85
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    • 2011
  • As the instability of oil prices rose because of the situation in Libya, oil prices worldwide recorded the highest level due to the interference in supply. And so, in the 21st century, increasing efforts are being made to use clean new renewable energy centered on solar energy in accommodation of the cycle of nature instead of being reliant on the oil exporting nations. In order to reduce city energy internationally, the implementation of a low carbon city under the combined cooperation of industrial. construction, new renewable energy and transportation sectors with continuous development centered on low carbon green urban planning is now becoming established as the paradigm of the times. Recently, the government has begun carrying out the One Million Green Home Project, which is a project where the government with the goal of providing one million renewable energy homes by 2020 gives renewable energy subsidization for a partial amount of the standard unit price of installation when solar ray, solar heat, geothermal heat, small wind power or fuel cell energy is used. Thus, through this thesis which studies the state of and surveys the green village at Shingok-ri Songhak-myun Jaecheon-shi, it is the desire that the One Million Green Homes Project will be more efficiently developed and plans for improvement formed so that a high level of satisfaction in the product will be provided.

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A Study on the Paperless Waiting Order Count System for Green IT (Green IT를 위한 Paperless 순번대기표 시스템에 관한 연구)

  • Kang, Min-Sik
    • Journal of Digital Contents Society
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    • v.12 no.4
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    • pp.511-518
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    • 2011
  • One of the most important paradigms in society has recently been a set of efforts to prepare for the future and to protect the environment by saving carbon that occurs in everyday life as well as in the industry. In order to successfully deal with this new paradigm, Korean government has adopted and implemented various policies including the green certification, the development of green technologies and green growth. Many agencies and organizations in both public and private sectors have established plans about the carbon savings and performed a lot of research using IT technology. For example, attempts have been made in Korea to use as electronic documents instead of paper documents using these green IT and mobile devices. This paper proposes a 'Paperless' waiting order count system using QR code and mobile phone as an example of green IT for 'Low carbon and Green growth'.

AN ASSESSMENT SYSTEM OF ECO-FRIENDLINESS OF CONSTRUCTED FACILITY IN THE DESIGN PHASE USING VALUE ENGINEERING

  • Byung-Soo, Kim;Dong-Eun, Lee;Suk-Hyun, Kwon;Min-Kwon, Choe
    • International conference on construction engineering and project management
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    • 2009.05a
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    • pp.1625-1629
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    • 2009
  • The new paradigm called 'Low Carbon Green Growth' involved in reducing greenhouse gas is on the rise as a critical issue worldwide. The essential of Kyoto protocol issued in 1997 is to achieve the sustainable economic growth environments by converting existing production system to eco-friendly one. The protocol imposes the liability to reduce greenhouse gas to the countries joined to it. The paradigm is directly involved in the energy consumption and environmental pollution caused by construction activities. Value Engineering which are mainly applied in the design phase in practice is a measure to improve the value of a constructed facility by analyzing and/or appraising the functions and costs of it. However, an appropriate method which assesses eco-friendliness of constructed facility has not been propose by researchers. This paper proposes a method which assesses the performance involved in eco-friendliness of constructed facility using Value Engineering (VE) in the design phase. The method estimates the environmental cost relative to the amounts of energy consumption and environmental pollution occurred over the entire project life cycle. The database called "Life Cycle Inventory DB", which stores information about the amounts of environmental pollution, is used. The algorithm which retrieves the amounts of environmental pollutions from the DB and converts them into environmental costs is developed. The algorithm is implemented into a system which quantifies the eco-friendliness of constructed facility in the design phase using VE.

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Environmental Pollutants and Epigenetics (환경오염 물질과 에피제네틱스)

  • Park, Sung-Kyun;Lee, Sun-Dong
    • Journal of Environmental Health Sciences
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    • v.35 no.5
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    • pp.343-354
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    • 2009
  • Since Barker found associations between low birth weight and several chronic diseases later in life, the hypothesis of fetal origins of adult disease (aka, Barker Hypothesis) and epigenetics have been emerging as a new paradigm for geneenvironment interaction of chronic disease. Epigenetics is the study of heritable changes in gene silencing that occur without any change in DNA sequence. Gene expression can be regulated by several epigenetic mechanisms, including DNA methylation and histone modifications, which may be associated with chronic conditions, such as cancers, cardiovascular disease, and type-2 diabetes. One carbon metabolism which involves the transfer of a methyl group catalyzed by DNA methyltransferase is an important mechanism by which DNA methylation occurs in promoter regions and/or repetitive elements of the genome. Environmental factors may induce epigenetic modification through production of reactive oxygen species, alteration of methyltransferase activity, and/or interference with methyl donors. In this review, we introduce recent studies of epigenetic modification and environmental factors, such as heavy metals, environmental hormones, air pollution, diet and psychosocial stress. We also discuss epigenetic perspectives of early life environmental exposure and late life disease occurrence.

Reduction Effect of CO2 Discharge of Green PC (그린 PC의 탄소(CO2) 배출량 감축효과)

  • Kim, Young-Geil
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.39C no.2
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    • pp.115-121
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    • 2014
  • Since the rapid development of information age and information technology might be considered to cause environmental problems, Green IT is perceived as core technology for low carbon green growth and the minimum waste of electricity. In this vein, Green IT is becoming new paradigm of focusing on natural environment. This study examines current various IT required for green growth, and studies various methods for diminution of carbon discharge in Korea and other countries. Especially, it focuses on the diminution effect of carbon discharge by using Green PC, and compares the difference of voltage, voltaic current, and the use of electricity between Normal PC and Green PC by using HPM-300A, and measures carbon discharge of Normal PC and Green PC. The result shows that the diminution effect of $CO_2$ discharge of Green PC is amount to 11.5Kg per year, and the effect of green growth is up to the conservation of 2 or 3 pine trees.

The Investigation of Problems for Next Generation Energy System during Existing Urban Plan Stage (기존 도시계획 단계에서 차세대에너지시스템 적용시 문제점 검토)

  • Park, Jin-Young;Kim, Sam-Uel;Park, Yool;Lee, Sang-Jin;Lee, Jurng-Jae
    • 한국태양에너지학회:학술대회논문집
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    • 2009.04a
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    • pp.190-195
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    • 2009
  • Since the industrial revolution, the global environmental problems such as greenhouse gas accumulation and the average temperature increase have caused people's attention. 'Low Carbon, Green Growth' was presented to cope with these global concerns, as one of main policies of 2008 in Korea. The paradigm of a green urban development is started to concern the whole city's energy problems owing to realize 'Low Carbon, Green Growth' in the urban side. The government established a nation's basic energy plan for 20 years, and some local cities made efforts to develop new renewable energy such as the solar, wind and water energy which are suitable to each city's character. As a part of these efforts, the concept of U-Eco city is newly appeared to reflect upon ubiquitous technique, urban ecology and the next generation energy system. However, urban plan is difficult to adopt this next generation energy system with existing laws, regulations and technical systems. The new executive and systematic system is needed to realize the U-Eco city U-Eco for the management of an efficient city. In this study, the authors investigate the concept of the next generation energy system and U-Eco city to realize the energy-efficient city plan and analyze problems to occur during the application of them in an existing city plan. Then, the authors show the remedies to deal with occurred problems.

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A Study on Finding Ways to Reduce the Emission of Target Greenhouse Gases for Various Scenarios Utilizing the Building Energy Efficiency Rating (건물에너지 효율등급 제도를 이용한 시나리오별 목표 온실가스 저감방안에 관한 연구)

  • Bang, Young-Hyun;Kang, A-Ram;Park, Hyo-Soon;Suh, Seung-Jik
    • KIEAE Journal
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    • v.12 no.3
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    • pp.89-94
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    • 2012
  • The international community is paying close attention to the climatic changes caused by the meteorological anomalies. In response to such phenomena, after the adoption of the United Nations Framework Convention on Climate Change in 1992, efforts to actively respond to the meteorological changes are proliferating all over the world; even in the Republic of Korea, the issue to tackle the meteorological changes has emerged as a top-priority national agenda. In the year of 2008, after the declaration of the low-carbon, green-growth paradigm by the government, the UNFCCC COP15 has announced a 30% reduction target of the emission of the greenhouse gases by 2020 as compared to the "Business As Usual, BAU" and has also confirmed, as a commitment plan to achieve reduction in the emission of greenhouse gases, the reduction target of greenhouse gases for all sectors, industries and years. (26.9% for buildings) Since the construction of the new apartment houses in the year of 2001, the "Building Energy Efficiency Rating", has been applied to newly constructed building complexes, built in 2010; the accumulated emission reduction has been evaluated at around 450,000toe and the accumulated carbon dioxide emission reduction is at $826,000tCO_2$ And through the prediction of these values under various scenarios (New construction, new construction / expansion of existing uses, when transferred to 1stgrade), the effects on the degree of reduction of greenhouse gases by the increased certification of the Building Energy Efficiency Rating are an alyzed and it is our aim to express the importance of the certification system capable of carrying out a quantitative evaluation of the building energy in order to establish the strategy to reduce the emission of carbon dioxide.

A Case Study of Integration Assessment of Environmental Aspect and Cost Aspect Based on GHG Emission for Design Alternative Selection of a Railway Vehicle (철도차량 설계대안 선정에 대한 GHG 배출량 기반 환경 경제성 통합평가 사례연구)

  • Choi, Yo-Han;Lee, Cheul-Kyu;Lee, Jae-Young;Kim, Yong-Ki;Jung, Woo-Sung
    • Proceedings of the KSR Conference
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    • 2011.05a
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    • pp.606-612
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    • 2011
  • At the product design and development stage, the main criteria selecting a design alternative were performance aspect as well as cost aspect of a product. Ongoing new paradigm shifts such as low carbon green growth, climate change mitigation, sustainable society development urged considering environmental aspect of a product at the product design and development stage. Up to recently, only cost aspect except performance of a product was considered at the railway vehicle design process. Therefore, it is needed to develop a method that may consider environmental aspect of a product at the railway vehicle design process. Lee (2011) proposed that a method of an integration assessment of environmental aspect and cost aspect based on GHG emission instead of based on monetary value. This study conducted that apply the method of Lee (2011) to design alternative selection process of a railway vehicle. From the integrated view of environmental and cost aspect, the reference product and design alternatives are assessed and compared.

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