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Highlights • The increases of commuting CO 2 emissions are several times larger than the urban size, population, and economics' developments. • Metro services reducing commuting CO 2 emissions near the metro stations is not statistically significant, possibly because the proportions of car users near the metro stations are similar to the two cities' average levels, which is caused by their higher household income and the longer travel time using the metro. • In Beijing, there are the smallest commuting CO 2 emissions in the outer suburbs due to job-housing balances, short distance and large percentage of non-motorized mode uses while the largest commuting CO 2 emissions in the inner sprawl suburbs due to car trips with long distance. Abstract To understand the changing relationships between commuting CO 2 emissions (CCE), travel behavior and urban forms, this paper provides a comparative study between the typical Chinese cities of Beijing (more developed) and Xi'an (rapidly developing). Further, the effects of metro services on reducing CCE were explored, and comparative analysis on CCE between the inner sprawling suburbs and outer suburbs was conducted. It was found that: (i) the increases in CCE are several times larger than the increases in urban size, population, and economic developments; (ii) metro services reducing CCE near metro stations is not statistically significant, maybe because the proportions of car users near the metro stations are similar to the two cities' average levels, which is caused by their higher household income and the longer travel time using the metro; (iii) in Beijing, there are smallest CCE in the outer suburbs due to job-housing balances, short distance and large percentage of non-motorized mode uses while largest CCE in the inner sprawl suburbs due to car trips with long distance. These findings indicate that to cope with the rapidly increasing CCE, more attention should be paid to developing strong industry and real-estate simultaneously; the improvement in the feeder bus and public bicycle systems should also be reinforced to reduce the total travel time of metro users; and satellite cities with job-housing balance are greatly needed. The implications will benefit efforts to reduce CCE and mitigate global climate change, and they also provide empirical evidence and reference values for other global cities. [ABSTRACT FROM AUTHOR]

Abstract: Much like other post-socialist cities, Chinese cities experienced dramatic changes after economic reform. The danwei, or state-owned work unit, was once a fundamental building block of Chinese cities. In addition to being the basic form of economic and social organization, danwei communities defined Chinese urban development before reform, taking the form of gated, walled-off combined factory and residential areas. This paper focuses on spatial changes at the neighborhood scale in danwei, by selecting the Tongrentang pharmaceutical factory in Beijing, China during the time period between 1973 and 2006 as a case study. Through archival material and interviews, this paper describes how the community changed from gated, boring, solidified and strictly constrained work units to un-gated, vibrant, mixed-use and flexible urban neighborhoods. This case study in urban China provides implications for planning professionals and policy makers. By properly redeveloping these brownfield, traditional danwei communities many change to become un-gated, livable, accessible, integrated, and sustainable in the post-socialist era. The implication for current transition theory is that despite the similarity to Central and East European countries, urban China has a local context and unique spatial changes that should be embraced in future transition studies. [Copyright &y& Elsevier]

Abstract: The morphology of a city affects its ecological and socioeconomic functions, and thus how a city is spatially structured has important bearings on urban sustainability. The paper analyzes the spatial pattern of Beijing in relation to its urban functions. Our results show that the 6 concentric ring-roads in Beijing provide a basic framework for the city''s overall spatial pattern, and also give its apparent resemblance to the classic concentric zone theory. The paper identifies 5 concentric zones for Beijing based on a suite of urban functions. However, there are significant differences between the urban spatial pattern of Beijing and that depicted in the classic concentric zone theory. The study sheds new light on the urban morphology of one of the major Chinese cities, and provides needed information for developing plans to diffuse urban functions in Beijing. [Copyright &y& Elsevier]

Abstract: This paper analyses the duration of housing project sales in the city of Beijing, China. In the housing market, new properties sometimes experience delays before they are sold. Such delays reflect the preferences of buyers with regard to the characteristics of the dwelling. Therefore, it is important for managerial purposes to identify the causes of delays in the sales of housing projects. A survival model with heterogeneity is adopted in the present research. The principal finding of this study is that delays are largely explained by the characteristics and the location of the housing project. Policy implications of the research findings, particularly those related to means of reducing the delays, are discussed. [Copyright &y& Elsevier]

As responses to metropolitan suburbanization and rural urbanization, the formation and evolution of urban fringes should be understood against the background of overall economic development and spatial reconstruction of entire metropolises. At the same time, however, endogenous interactions between industrial structure and spatial patterns of non-agricultural activities are also worthy of scholarly attention. Since the 1980s, studies on urban fringes in China have been restricted by the lack of micro-level data. This paper investigates the spatial expansion and structural evolution of the urban fringe by taking the case of Beijing and uses systematic firm-level data in 1996 and 2001 from the National Census of Basic Units. The diversity of distribution patterns across industrial sectors brings about two interrelated results. On the one hand, structural adjustment of non-agricultural industries promotes the expansion and spatial evolution of the urban fringe. On the other hand, the stability and dynamics of industrial structure coexist in the moving urban fringe. This study also reveals that the outward-moving urban fringe is the optimal location for manufacturing, especially heavy manufacturing, as well as traditional producer and consumer services. However, industries with spatial stickiness such as tourism and sports have not moved with the fringe. Most advanced services remain concentrated in the city center. The authors argue that it is essential for understanding and managing urban fringes to take into account spatial evolution and industrial structural adjustment together with their interaction with each other. [ABSTRACT FROM AUTHOR]

Beijing has built 267 urban rainwater harvesting projects (URHPs) in order to alleviate severe water problems; however, these projects are lacking in effective and full-scale cost-benefit analysis (CBA). In this paper, a CBA model for URHPs is put forward to evaluate projects. Results indicate the following: (1) URHPs can bring remarkable benefits, with an average benefit index α of 2.0; (2) in addition, 66.7% of the districts have α values exceeding 1.0; (3) The distribution of α, along with regression analysis shows that suburban areas have received more benefits because of fewer space limitations than urban areas. [ABSTRACT FROM AUTHOR]