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An Analysis of the Responsibilities and Driving Factors for Embodied Carbon in Trade 贸易隐含碳的责任及驱动因素分析
IF 1.4 Q3 URBAN STUDIES Pub Date : 2022-07-27 DOI: 10.1142/s2345748122500130
Bin Zhang, Liping Li, Jia-ni Zhao, Li Zhang
By adopting the consumption-based accounting (CBA) method of carbon emissions based on national carbon intensity (NCI), using the International Trade Centre (ITC) database, the Emissions Database for Global Atmospheric Research (EDGAR), and the World Bank database, and taking 13 countries and regions including the European Union (EU) countries and the United States (US) as research samples, this paper conducts an accounting of the embodied carbon in trade between China and other major economies in the world, clarifies the responsibilities China has taken for foreign consumption-based carbon emissions, and analyzes the various driving factors of China’s embodied carbon in exports. The findings are as follows: (i) Most of the developed economies have higher consumption-based emissions than production-based emissions, which is contrary to most of the developing economies, with developing countries bearing responsibilities for 15–20% of the consumption-based carbon emissions for developed countries; (ii) the carbon emissions of countries and regions are closely related to the embodied carbon in trade, with a correlation coefficient of 0.96. (iii) China has taken responsibility for a large amount of carbon emissions from foreign consumer demand, most of which are from the US, the EU, ASEAN, and Japan, respectively accounting for 3.8%, 3.5%, 2.3%, and 1.2% of China’s production-based carbon emissions in 2019; (iv) technique effect is the main driving factor for China’s embodied carbon in trade, while the specific driving factors vary by industry. Based on the above analysis, it is suggested that China should: (i) consider the trade factor in its efforts to achieve carbon peaking and carbon neutrality; (ii) adopt differentiated measures to reduce trade-related emissions for specific industries; (iii) fully consider China’s demand for carbon peaking and carbon neutrality in international negotiations; (iv) give more support to the research on and measurement of consumption-based carbon emissions.
采用基于国家碳强度(NCI)的碳排放消费核算(CBA)方法,利用国际贸易中心(ITC)数据库、全球大气研究排放数据库(EDGAR)和世界银行数据库,以欧盟(EU)、美国(US)等13个国家和地区为研究样本,本文对中国与世界主要经济体之间的贸易隐含碳进行了核算,明确了中国对外消费碳排放的责任,分析了中国出口隐含碳的各种驱动因素。结果如下:(i)大多数发达经济体以消费为基础的排放量高于以生产为基础的排放量,这与大多数发展中经济体相反,发展中国家承担发达国家以消费为基础的碳排放量的15-20%;(二)国家和地区的碳排放量与贸易隐含碳密切相关,相关系数为0.96。(三)中国承担了大量来自国外消费需求的碳排放,其中大部分来自美国、欧盟、东盟和日本,2019年分别占中国基于生产的碳排放的3.8%、3.5%、2.3%和1.2%;(四)技术效应是中国贸易隐含碳的主要驱动因素,具体驱动因素因行业而异。基于上述分析,建议中国应:(1)在实现碳峰值和碳中和的努力中考虑贸易因素;采取有区别的措施,减少特定行业与贸易有关的排放;(三)在国际谈判中充分考虑中国对碳峰值和碳中和的要求;(四)加大对基于消费的碳排放的研究与测算的支持力度。
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引用次数: 0
The Impact of City Cluster Development on the Inter-City Disparity: Evidence From China 城市群发展对城市间差异的影响:来自中国的证据
IF 1.4 Q3 URBAN STUDIES Pub Date : 2022-07-22 DOI: 10.1142/s2345748122500063
Mengyu Yang, Bingxuan Hu
City clusters are important carriers for China’s future urbanization and vital areas for promoting coordinated regional development and common prosperity. The authors first divide the city clusters into Types I, II, and III according to the characteristics of their development stages, and measure the degree of development of city clusters by using city-level night time light (NTL) data and inter-city commuting time, and empirically identify the types of China’s city clusters. On that basis, the authors examine the influence of city cluster development on the inter-city disparity from a perspective of urban agglomeration. The results show that the development of Type I city clusters can lead to the widest inter-city disparity, and that of Type II city clusters ranks the second place in this regard, while that of Type III city clusters can narrow the inter-city disparity. Furthermore, using the 268-year historical geographic data of the Qing Dynasty, the authors construct instrumental variables to address the endogeneity issues, and find that the above conclusions are robust. This study also finds that the factor allocation for the development of Types I and II city clusters is oriented towards labor, while that for Type III city clusters is oriented towards capital. Besides, different types of city clusters vary in the extent of correcting factor misallocation for their development. The differences in the orientation of factor allocation and the extent of factor misallocation correction constitute the main mechanism for the heterogeneous influence of city cluster development on the inter-city disparity. China’s city cluster development strategy should adopt a category-based approach to avoid homogenization, conform to the objective laws, and make greater use of central cities’ spatial spillover effects.
城市群是中国未来城镇化的重要载体,是促进区域协调发展、共同繁荣的重要领域。首先根据城市群发展阶段的特征,将城市群划分为I、II、III类,并利用城市夜间照明(NTL)数据和城际通勤时间测度城市群的发展程度,对中国城市群类型进行实证识别。在此基础上,从城市群的视角考察了城市群发展对城市间差异的影响。结果表明:ⅰ类城市群发展导致的城市间差距最大,ⅱ类城市群发展导致的城市间差距次之,ⅲ类城市群发展能够缩小城市间差距。此外,利用268年的清代历史地理数据,构建工具变量来解决内生性问题,结果表明上述结论是稳健的。研究还发现,一类和二类城市群的发展要素配置倾向于劳动力,而三类城市群的发展要素配置倾向于资本。此外,不同类型的城市群对自身发展的要素错配纠正程度也存在差异。要素配置取向和要素错配纠正程度的差异构成了城市群发展对城市间差异异质性影响的主要机制。中国的城市群发展战略应采取基于类别的方式,避免同质化,遵循客观规律,更多地利用中心城市的空间溢出效应。
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引用次数: 2
Megacity Growth, City System and Urban Strategy 特大城市增长、城市体系与城市战略
IF 1.4 Q3 URBAN STUDIES Pub Date : 2022-07-06 DOI: 10.1142/s2345748122500051
C. Ding, Xiao He, Yongming Zhu
This paper analyzes the development pattern of 35 megacities from 1980 to 2020 and examines the impact of megacity’s growth on the city system. We use primacy, urban concentration, Zipf’s coefficient, and entropy to characterize the city system in a country with a megacity. Our analysis finds the following: (1) The growth rates of megacities are faster than the totals of the national population and national urban population in general; (2) the growth of megacities makes the city system diverge; (3) the development of megacities tends to be companied by the shrinking of small cities; and (4) emerging megacities has substantial impacts on urbanization strategy, urban planning, and policy.
本文分析了1980-2020年35个特大城市的发展模式,并考察了特大城市的增长对城市系统的影响。我们使用首要度、城市集中度、齐普夫系数和熵来描述一个拥有特大城市的国家的城市系统。我们的分析发现:(1)特大城市的增长速度总体上快于全国人口和全国城市人口的总和;(2) 特大城市的发展使城市体系分化;(3) 特大城市的发展往往伴随着小城市的萎缩;(4)新兴特大城市对城市化战略、城市规划和政策产生了重大影响。
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引用次数: 1
The Impacts and Adaptation of Climate Extremes on the Power System: Insights from the Texas Power Outage Caused by Extreme Cold Wave 极端气候对电力系统的影响和适应:来自德克萨斯州极端寒潮造成的停电的启示
IF 1.4 Q3 URBAN STUDIES Pub Date : 2022-05-21 DOI: 10.1142/s234574812250004x
Zhiyuan Ma, Zijian Zhao, Chang-Yi Liu, Fang Yang, Mou Wang
Along with the aggravation of climate change, various weather and climate extreme events (abbreviated as climate extremes) are becoming more frequent. During the transition to the use of clean energy, the power system will show increasingly prominent features such as high ratio of clean energy, high ratio of electrification, and a high proportion of electric and electronic equipment, coupled with summer and winter load peaks. Against this backdrop, this paper studies the impacts of climate extremes on the power system using the Texas power outage as an example, and proposes general adaptation measures to cope with climate extremes. For a start, this paper reviews the power outage in Texas caused by an extreme cold wave across the North America in 2021, and conducts an in-depth analysis of its causes. Then, based on the theoretical framework of disaster risk management, this paper analyzes the weather and climate disaster risks, extreme events, exposure, and vulnerability faced by the power system in the context of climate change and extreme events. Finally, in order to build a new power system, this paper establishes an overall framework for the power system to mitigate and adapt to climate change, and summarizes the key techniques involved in power generation, transmission, distribution, and consumption, as well as key technologies in the fields of power supply, power grid, power load, and energy storage, and the strategies and measures for addressing climate change.
随着气候变化的加剧,各种天气和气候极端事件(简称气候极端事件)越来越频繁。在向清洁能源使用过渡的过程中,电力系统将呈现出清洁能源高比、电气化高比、电气电子设备高比等特征,再加上夏季和冬季的负荷高峰。在此背景下,本文以德克萨斯州停电为例,研究了极端气候对电力系统的影响,并提出了应对极端气候的一般适应措施。首先,本文回顾了2021年北美极端寒潮造成的德克萨斯州停电事件,并对其原因进行了深入分析。然后,基于灾害风险管理的理论框架,分析了气候变化和极端事件背景下电力系统面临的天气气候灾害风险、极端事件、暴露度和脆弱性。最后,为了构建新的电力系统,本文建立了电力系统减缓和适应气候变化的总体框架,总结了发电、输电、配电、消纳等关键技术,以及供电、电网、负荷、储能等领域的关键技术,以及应对气候变化的策略和措施。
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引用次数: 4
Evaluation of Countries’ Capacities for Addressing Climate Change in the Post-Paris Era 后巴黎时代各国应对气候变化能力评估
IF 1.4 Q3 URBAN STUDIES Pub Date : 2022-05-06 DOI: 10.1142/s2345748122500038
Zhixuan Ji, Mou Wang, Xinran Yang, Wenmei Kang
The Paris Agreement signed in 2015 basically established the post-2020 international climate system. The agreement no longer emphasizes the differences between countries of the North and South. It requested each country to outline and communicate their post-2020 climate actions, which were legally termed as “nationally determined contributions” (NDCs). However, in the process of negotiating the implementation rules and regulations, there is still a big divide between developing and developed countries. Thus it is important to evaluate countries’ responsibilities, obligations and capacities for addressing climate change in the post-Paris era. By adopting the Delphi method, this paper establishes a more comprehensive index system to quantitatively evaluate countries’ capacities for addressing climate change, and to further identify and determine their capacities under the Paris Agreement. According to the evaluation results, there is still a large gap between developed and developing countries in their capacities for addressing climate change. Developing countries with weak capacities fall behind mainly in terms of the industrialization process, Human Development Index (HDI) and urbanization rate. Developed countries with strong capacities lack commitments and actions in terms of helping developing countries to mitigate and adapt to climate change. This paper, by expanding the use of the Delphi method with a multi-dimensional evaluation system that includes a historical responsibility index, attempts to provide a reference for differentiating countries’ capacities and responsibilities in global climate governance, and to promote a more equitable and reasonable global climate governance system.
2015年签署的《巴黎协定》基本确立了2020年后的国际气候体系。该协议不再强调南北国家之间的分歧。它要求每个国家概述并传达其2020年后的气候行动,这些行动在法律上被称为“国家自主贡献”。然而,在实施细则和条例的谈判过程中,发展中国家和发达国家之间仍然存在很大的差距。因此,重要的是评估各国在后巴黎时代应对气候变化的责任、义务和能力。本文采用德尔菲方法,建立了一个更全面的指标体系,以定量评估各国应对气候变化的能力,并进一步识别和确定各国在《巴黎协定》下的能力。根据评估结果,发达国家和发展中国家在应对气候变化方面的能力仍然存在很大差距。能力较弱的发展中国家主要在工业化进程、人类发展指数和城市化率方面落后。能力强大的发达国家在帮助发展中国家缓解和适应气候变化方面缺乏承诺和行动。本文通过扩大德尔菲方法的使用范围,建立包括历史责任指数在内的多维评估体系,试图为区分各国在全球气候治理中的能力和责任提供参考,促进建立一个更加公平合理的全球气候治理体系。
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引用次数: 0
Economic Growth, Energy Use, and Greenhouse Gases Emission in Macao SAR, China 中国澳门特别行政区的经济增长、能源使用和温室气体排放
IF 1.4 Q3 URBAN STUDIES Pub Date : 2022-02-25 DOI: 10.1142/s2345748122500026
Wai Ming To, K. Lam
A city’s economic structure and energy mix would change when the city is developed to accommodate more residents, visitors, and activities. This paper reviews Macao’s economic growth, energy use, and greenhouse gases (GHG) emission from 1985 to 2020. Specifically, Macao’s gross domestic product (GDP), energy use, and GHG emission have surged after the gaming industry was liberalized in 2002. The official data show that Macao’s GDP was MOP 11 billion in 1985, increased by four-fold to MOP 54 billion in 2000, and then surged rapidly to MOP 445 billion in 2019. Additionally, Macao’s total energy use increased from 8,840[Formula: see text]TJ in 1985 to 48,330[Formula: see text]TJ in 2019 while Macao’s GHG emission increased from 0.70[Formula: see text]Mt of CO2-equivalent in 1985 to 6.13[Formula: see text]Mt of CO2-equivalent in 2019. Macao’s GHG emission from all local sources per capita and GDP per capita exhibit an inverted U-shaped relationship, showing an environmental Kuznets curve. Due to the negative impact of COVID-19 pandemic, Macao’s GDP dropped by 56% to MOP 194 billion while its total energy use and GHG emission dropped by 33% and 17% to 32,198[Formula: see text]TJ and 5.06[Formula: see text]Mt of CO2-equivalent, respectively, in 2020.
当城市发展到能够容纳更多的居民、游客和活动时,城市的经济结构和能源结构就会发生变化。本文回顾了1985年至2020年澳门的经济增长、能源使用和温室气体排放。具体而言,澳门的国内生产总值(GDP)、能源消耗和温室气体排放在2002年博彩业开放后大幅增加。官方数据显示,1985年澳门GDP为110亿澳门币,2000年增长4倍至540亿澳门币,2019年迅速飙升至4450亿澳门币。此外,澳门的总能源消耗由1985年的8,840[公式:见文]TJ增加至2019年的48,330[公式:见文]TJ,而澳门的温室气体排放量则由1985年的0.70[公式:见文]Mt co2当量增加至2019年的6.13[公式:见文]Mt co2当量。澳门各本地源人均温室气体排放量与人均GDP呈倒u型关系,呈现环境库兹涅茨曲线。受新冠肺炎疫情的负面影响,澳门2020年GDP下降56%至1,940亿澳门元,总能源消耗和温室气体排放分别下降33%和17%至32198亿吨(公式:见文)和5.06亿吨二氧化碳当量。
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引用次数: 3
Practice Model of Xi Jinping Thought on Ecological Civilization
IF 1.4 Q3 URBAN STUDIES Pub Date : 2022-02-18 DOI: 10.1142/s2345748121500202
Kaizhong Yang
Ecological development is essentially the process of building a resource-efficient, environment-friendly and ecologically-safe society, and of achieving modernization that features harmonious coexistence between man and nature. Xi Jinping Thought on Ecological Civilization offers answers to such theoretical and practical questions as why to build an ecological civilization, what the goal is and how to achieve it. Its practice model focuses on explaining the norms, content, paths and methods of building an ecological civilization. It is a structural and operable approach for implementing Xi Jinping Thought on Ecological Civilization and guiding the construction of ecological civilization. As an intermediate link between Xi Jinping Thought on Ecological Civilization and eco-civilization construction, the practice model is not only an indispensable part of the former, but also the key to combine the theory and practice concerning the two.
生态发展本质上是建设资源节约型、环境友好型、生态安全型社会,实现人与自然和谐共生的现代化的过程。
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引用次数: 3
The Impact of Subway Network Expansion on Housing Rents: An Empirical Study in Beijing, China 地铁网络扩张对住房租金的影响——基于北京的实证研究
IF 1.4 Q3 URBAN STUDIES Pub Date : 2022-01-24 DOI: 10.1142/s2345748121500251
Xin Ma, Tao Huang
Most previous studies have focused on the impact of subways on housing prices instead of rents, while the latter could better measure residential values. Based on a dataset collected from a real estate agency in Beijing, which contains more than 900,000 housing rental transaction records from 2011 to 2020, this paper empirically evaluates the causal effect of subway network expansion on housing rents. It employs a series of progressive difference-in-difference (DID) approaches, to estimate the impact and determine the impact scope. The findings demonstrate that a reduction of the distance to subway stations by 1 km increases the rents by 2.32%; the impact scope is about 1.5 km and the average rent appreciation within the range is 5%. The addition of a line for non-transfer stations raises the rents by 10% for houses 1.5–2 km away from the stations, extending the impact scope. Houses with large areas in upscale and old neighborhoods near the city center are affected less by subways. It also confirms the siphon effect in the rental market, i.e.: rents of houses far away from the new stations fall after the opening of the stations.
之前的大多数研究都关注地铁对房价的影响,而不是租金,而后者可以更好地衡量住宅价值。本文基于北京某房地产中介机构2011 - 2020年90多万套住房租赁交易记录的数据集,实证评估了地铁网络扩张对住房租金的因果效应。它采用一系列渐进式差分法(DID)来估计影响并确定影响范围。结果表明:到地铁站的距离每缩短1 km,租金增加2.32%;影响范围约1.5公里,范围内的平均租金升值幅度为5%。非中转站线路的增加将使距离车站1.5-2公里的房屋租金提高10%,扩大了影响范围。在市中心附近的高档社区和老社区,面积较大的房屋受地铁的影响较小。这也证实了租赁市场的虹吸效应,即在新车站开通后,距离新车站较远的房屋租金下降。
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引用次数: 0
Spatial Heterogeneity of China’s Environmental Regulation on Industrial Pollution: Evidence from a Top–Down Environmental Enforcement Action 中国工业污染环境规制的空间异质性:来自自上而下环境执法行动的证据
IF 1.4 Q3 URBAN STUDIES Pub Date : 2021-12-22 DOI: 10.1142/s2345748121500226
Yuhong Li
To obtain precise information about enterprises’ pollution control and take corresponding environmental protection measures is the key to preventing and controlling industrial pollution. Taking the lead–acid battery industry as an example, this paper employs data from the Environmental Enforcement Action to analyze the urban–rural and inter-provincial distributions of pollution-intensive enterprises and to quantitatively verify the spatial differences in China’s environmental regulation on industrial pollution. The study finds that lead–acid battery manufacturing enterprises are mainly located in rural areas instead of urban areas; most pollution-intensive firms located in industrial parks, especially those approved by governments below the provincial level. The multivariate logistic model analysis finds that environmental regulation in urban districts is more strict than that in towns and villages, while the suburban areas are the laxest; environmental regulation in national-level development zones is more strict than that in provincial-level development zones, while zones below the provincial level are the laxest. In general, the environmental regulation is stricter in urban areas than in rural areas, and stricter in clustered space than in scattered space, while most inter-provincial environmental regulations have no significant differences. Local governments should effectively allocate conventional environmental law enforcement resources and shift the focus of law enforcement downwards to parks below the provincial level, and on suburbs and townships.
准确获取企业污染控制信息,采取相应的环境保护措施,是工业污染防治的关键。本文以铅酸蓄电池行业为例,利用环境执法行动的数据,分析污染密集型企业的城乡、省际分布,定量验证中国工业污染环境规制的空间差异。研究发现,铅酸蓄电池生产企业主要分布在农村,而不是城市;大多数污染密集型企业位于工业园区,特别是省级以下政府批准的企业。多变量logistic模型分析发现,城区环境监管较村镇严格,而城郊环境监管最宽松;国家级经济开发区的环境监管比省级经济开发区严格,省级以下经济开发区的环境监管最宽松。总体而言,城市环境规制要比农村严格,集群空间环境规制要比分散空间环境规制严格,而省际环境规制大多没有显著差异。地方政府应有效配置常规环境执法资源,将执法重点向下转移到省级以下的公园和郊区乡镇。
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引用次数: 0
Systemic Governance of Mountains, Rivers, Forests, Farmlands, Lakes and Grasslands: Theoretical Framework and Approaches 山水林湖草系统治理:理论框架与方法
IF 1.4 Q3 URBAN STUDIES Pub Date : 2021-12-17 DOI: 10.1142/s2345748121500214
Yan Zheng, Guiyang Zhuang
The life community of mountains, rivers, forests, farmlands, lakes and grasslands (MRFFLG) and its systemic governance are key components to build ecological civilization in China. It comprises diverse connotations in value, scientific and economic dimensions. Epistemologically, it comes from the Chinese traditional philosophy of harmonious coexistence of heaven, earth and man, and conforms to the Western ecological ethics, complex system science and environmental value theory. Methodologically, as a complex socio-ecological system in which man and nature interact and coexist, the life community of the MRFFLG should be governed coordinately from both narrow and broad views. At the policy level, from the perspectives of narrow synergy among ecological subsystems and broad synergy among the complex socio-ecological system, this paper evaluates the performance indicators of 16 pilot projects of the MRFFLG, and points out that the design of most pilot projects well reflects the narrow synergy of multiple ecological elements, but is short of attention to the broad synergy of green development and ecological civilization. There are two practical ways to promote the systemic governance of the MRFFLG. First, it needs to focus on the coordinated governance of watershed and ecological environment restoration against the background of global climate and environmental change. The goal is to restore and improve the service functions of ecological subsystems and enhance their climate adaptability. Second, in the context of new urbanization and green development transition, it requires a collaborative planning focusing on natural capital and green infrastructure investment, which is aimed at cultivating ecological dividends and realizing ecological economy.
山、河、林、田、湖、草生命群落及其系统治理是中国生态文明建设的重要组成部分。它包含了价值、科学和经济三个维度的不同内涵。在认识论上,它来源于中国传统的天人合一哲学,与西方生态伦理学、复杂系统科学和环境价值理论相一致。在方法上,作为人与自然相互作用、共存的复杂社会生态系统,应从狭义和广义两方面统筹治理。在政策层面,从生态子系统之间的狭义协同和复杂社会生态系统之间的广义协同的角度,对16个试点项目的绩效指标进行了评价,指出大多数试点项目的设计较好地反映了多个生态要素之间的狭义协同,但对绿色发展与生态文明之间的广义协同关注不足。有两种切实可行的方法来促进MRFFLG的系统治理。一是聚焦全球气候和环境变化背景下的流域治理与生态环境修复协同治理。其目标是恢复和改善生态子系统的服务功能,增强其气候适应能力。第二,在新型城镇化和绿色发展转型背景下,需要以自然资本和绿色基础设施投资为重点的协同规划,以培育生态红利和实现生态经济为目标。
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引用次数: 2
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Chinese Journal of Urban and Environmental Studies
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