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수록정보
수록범위 : 24권1호(2016)~30권5호(2022) |수록논문 수 : 305
환경정책
30권5호(2022년 12월) 수록논문
최근 권호 논문
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KCI등재

저자 : Byung Min Soon , Dong Won Shin

발행기관 : 한국환경연구원 간행물 : 환경정책 30권 5호 발행 연도 : 2022 페이지 : pp. 1-22 (22 pages)

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Because environmental policies have increasingly become stricter in response to relevant challenges, policymakers are now paying more attention to regulations that affect productivity. Focusing on conditions in Korea, this study used the Granger causality test to investigate causal relationships between environmental regulations, technological innovation, and productivity. The main results indicate that productivity is influenced by (1) technological innovation and (2) the innovation results from strengthened environmental regulations in separate sectors (i.e., manufacturing and non-manufacturing). These findings highlight some policy implications. As the environmental protection expenditure increases due to environmental regulations, the government and companies increase the number of R&D workers and spend more on technological innovation. Meanwhile, a suitable circumstance must be established to generate product and process innovations. The government and companies should make investments to construct this circumstance in response to environmental regulations. Finally, because regulations and innovations change productivity slowly, it is important to engage in long-term environmental policy projects.

KCI등재

저자 : Tsolmon Bayarsaikhan , Tae-hyoung Tommy Gim

발행기관 : 한국환경연구원 간행물 : 환경정책 30권 5호 발행 연도 : 2022 페이지 : pp. 23-46 (24 pages)

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The growing global interest to decarbonize the transportation industry has resulted in numerous scientific publications. This study reviews the rapidly expanding body of research and identifies the knowledge gaps in transport decarbonization between regions. This study employs a hybrid approach combining topic modeling and machine learning to identify research topics and their knowledge structures, and then compares the main debated topics between Asia and non-Asian regions. A dataset of 777 articles, including 410 Asian and 367 non-Asian articles, published between 1990 and 2022 was extracted from the Scopus database. The latent Dirichlet allocation topic modeling results showed that five potential topics were derived from Asia, while six were derived from non-Asian regions, and the knowledge structure of each topic differed between the two regions. The K-nearest neighbor machine learning algorithm results indicated a 92% accuracy for Asian topics and an 89% accuracy for non-Asian topics. The findings suggest that the Asian studies focused on “energy use in transportation” and “drivers of CO2 emissions in transportation,” while the non-Asian studies focused on “electric vehicles” and “fuel consumption.” This paper will keep academics and practitioners updated on the paradigm shift in the research on transportation decarbonization.

KCI등재

저자 : Doyun Lee , Jiyeon Park , Danbi Kim , Steven Jige Quan

발행기관 : 한국환경연구원 간행물 : 환경정책 30권 5호 발행 연도 : 2022 페이지 : pp. 47-67 (21 pages)

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Asia, the largest and most populous continent in the world, is in dire need of sustainable development due to its rapid urbanization; particularly, the Southeast, South, and West Asia regions demand the most attention. However, previous studies have been limited in examining sustainable development patterns in the three regions. This study identified sustainability development patterns in 23 countries and 33 major cities in three Asian regions using time series clustering, an unsupervised learning technique. Considering the three pillars of sustainability, three clusters were identified at both national and city levels based on three variables: population, GDP per capita, and total energy/electricity consumption per capita. The identified clusters suggested diverse sustainable development patterns in each of the three regions. The largest clusters at national and city levels exhibited a rapid development trend in all three aspects, indicating an urgent need to pursue sustainable development. Other clusters revealed complex trends that were closely linked to local development characteristics. Overall, the clusters at both national and city levels transcend the regions significantly, suggesting that future policymaking in the three regions should be tailored to local issues and take cues from regions with similar patterns rather than adhering to the conventional notion of Asian regions. The results provide fresh insights into sustainable development patterns in the three regions, thereby helping policymakers make better policy comparisons and more targeted policy execution decisions.

KCI등재

저자 : Hyemi Yang , Naeun Lee , Jaemin Song

발행기관 : 한국환경연구원 간행물 : 환경정책 30권 5호 발행 연도 : 2022 페이지 : pp. 69-92 (24 pages)

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The United Nations (UN) estimates that an additional 2.5 billion people will reside in urban areas by 2050. Due to rapid economic development and urbanization, urban areas are responsible for more than 70% of global greenhouse gas (GHG) emissions from final energy use. Rapid urbanization will predominantly occur in emerging nations, particularly in Asia, where more than four billion people reside, accounting for around 55% of the world's population. However, the temporal and spatial characteristics of urban structure in emerging cities and their correlations with GHG emissions are hardly understood, despite the fact that urban form is an important determinant of urban sustainability. Given this context, the study aims to evaluate the dynamics of urban form using three key measurements―population density, Moran's index, and population gradient coefficient―in the capital cities of South, Southeast, and West Asia and investigate how urban form affects CO2 emissions. The study employs a modified STRIPAT (Stochastic Impacts by Regression on Population, Affluence, and Technology) model as its major framework, using panel data from 2000 to 2019 with a five-year gap. The results indicate that the evolution of urban form varies from city to city while the population density continues to increase with slight variations in Moran's and population gradient coefficients. Considering the changes in the three indicators over time in the cities under study, it can be concluded that urbanization in the researched areas is generally getting more compact. Moran's index is a statistically significant factor concerning CO2 emissions, indicating that CO2 emissions could be lowered in cities with more clustered forms. The findings of this research have major implications for urban policy-makers seeking to explain the dynamics of urban form, how it evolves in developing countries, and how CO2 emissions are affected.

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