Weishi Zhang

• Chinese University of Hong Kong

The spatiotemporal heterogeneity of new-type urbanization in Chinese cities, with its emphasis on ecological development, interacts with the low-carbon technology development (LCT), a critical initiative for achieving carbon peak and neutrality targets. This interplay may lead to varied outcomes in air pollution control. This study investigates the...

Coastal cities play a pivotal role in China’s strategic approach to fostering external connectivity through coastal regional development. This study constructed an evaluation system by employing a Pressure-State-Response (P-S-R) framework and evaluated the ecological efficiency of the 13 coastal cities in China from 2017 to 2021. The super-efficien...

While countries worldwide have committed to their respective carbon reduction targets, and all levels of government are engaged in efforts to mitigate and adapt to climate change, the roles of multiple stakeholders in promoting low-carbon development and their interactive relationships vary significantly across nations. These differences result in...

While smart city initiatives have characterized global urbanization from the 1990s to the 2020s, nowadays a novel artificial intelligence (AI) enabled approach to urban governance is rapidly emerging, thereby shaping the governance and planning of present and future cities. This urban phenomenon can be understood theoretically through the notion of...

Decoupling economic growth from CO2 emissions is imperative for China. Meanwhile, establishing a consistent and comprehensive decoupling inventory that includes national (N), regional and provincial (RP), and city and county (CC) levels is essential for further policy formulation. This research aims to investigate the decoupling status using the “N...

Eco-urbanism encapsulates a range of approaches to the management of urbanisation processes and environmental imperatives in contexts of rapid industrial and economic change. The paper focuses on two eco-urban initiatives in China and the UK over a temporal lens stretching from the mid-2000s to the early 2020s, in order to critically engage with th...

Cities play an essential role in industrial nitrogen oxides (NOx) control actions. Few studies have considered the spatiotemporal heterogeneity of the key influence factors that affect industrial NOx emissions at the city level. This work evaluates the impacts of urbanization level on industrial NOx emissions during 2017–2019 at the prefecture-city...

The new-type urbanization which emphasizes urban infrastructure improvement, together with neighboring cities, may influence CO2 emissions of urban facilities and energy-intensive industrial sectors. This study analyzes the spillover effects of new-type urbanization on CO2 emissions of the central heating sector in northern China during 2012–2019....

Eco-urbanism encapsulates a range of approaches to the management of urbanisation processes and environmental imperatives in contexts of rapid industrial and economic change. The paper focuses on two eco-urban initiatives in China and the UK over a temporal lens stretching from the mid-2000s to the early 2020s, in order to critically engage with th...

Eco-urbanism encapsulates a range of approaches to the management of urbanization processes and environmental imperatives in contexts of rapid industrial and economic change. The paper focuses on two eco-urban initiatives in China and the UK over a temporal lens stretching from the mid-2000s to the early 2020s, in order to critically engage with th...

The spatial distribution and the identification of the influential factors of industrial sulfur dioxide (SO2) emissions have received extensive attention. However, evidence is still lacking on the spatial impacts of urbanization on industrial SO2 emissions at the city scale in China. This work builds a Geography Weighted Regression (GWR) model on a...

Soaring building heating energy consumption (BHEC), along with rising income, is threatening carbon abatement efforts. However, the influencing mechanism of income on BHEC remains unclear. This study establishes a theoretical model of the impact of income on BHEC from three perspectives: building physical characteristics, building use characteristi...

Environmental quality is strongly coupling with the result of emissions reduction in most countries, while emissions reduction is influenced by the diversity of control policies, engineering facilities and development patterns. Further, local in which technical or policy that concern the control of target emissions will impact other pollutants emis...

Understanding the spatio-temporal heterogeneous effects of socioeconomic and meteorological factors on CO2 emissions from combinations of different district heating systems with “Coal-to-Gas” transition can contribute to the development of future low-carbon energy systems that are efficient and effective. This work downscales city-level CO2 emissio...

China has been placing a substantial focus on biogas for reducing energy consumption and carbon dioxide (CO2) emissions. The operation mode of biogas systems may make the CO2 reduction target over-optimistic. There is limited research to investigate the influential factors that may be causing the gap between the actual and theoretical CO2 reduction...

摘要： 伴随对"缝合铁路割裂,促进城市品质发展"的高品质开发的呼唤,铁路与城区融合发展已成为众多城市中心区铁路站点地区规划建设的重点和难点。综合开发作为一种盘活铁路土地资源、提升中心城区空间品质的创新路径,将成为我国铁路站场区域发展的重要模式。文章从决策合作组织、土地制度及出让、规划设计与实施、运营收益平衡等方面对香港西九龙、重庆沙坪坝这两个中心城区铁路站场案例进行梳理分析,总结得出站城紧密融合的空间组织逻辑、立体出让的土地制度灵活设计、跨部门多主体的协作共商平台、打造"铁路+多方"利益共同体对于保障和推动铁路综合开发的关键作用等经验,以期为今后中心城区铁路综合开发的研究与规划实践提供一些启示。 关键词：铁路站场； 站城融合；综合开发

With the rapid development of industrialization and urbanization, emissions reduction is becoming an urgent mission for China. This work aims to review and analysis the effectiveness of emissions reduction in China based on the pollution discharge fee (PDF) and Five-year plan (FYP). The results show that, the emissions performance appeared signific...

This work designed and assessed the engineering performance of dairy wastewater treatment by an integrated system consisting of an anaerobic baffled reactor (ABR) and an upflow anaerobic sludge blanket (UASB). With fats adsorbed and decomposed, proteins were first denatured coagulated into solids in the ABR treatment process, and this process creat...

Black carbon (BC) is a significant component of particulate matter (PM) that relates to air pollution, climate forcing, and further implications for public health. BC is predominantly released from the combustion of solid fuels. Combustion of low-quality fuels in rural China may induce severe respiratory and cardiopulmonary health outcomes for resi...

Understanding the different impacts of urbanization on sectorial carbon dioxide (CO2) emissions at different spatial scales is of great importance for the evaluation of energy transition policies and reduction of environmental inequality. However, how urbanization affects the CO2 emissions of central heating systems at high spatial resolution in Ch...

China’s government launched a policy in October 2017 to permit the distributed generators to peer-to-peer trade their electricity generation on the market. Several clauses in the policy document are, however, unclear and ambiguous. This work identifies three vital but not clearly detailed issues in the policy document: (1) participation eligibility...

Regional disparities in carbon dioxide (CO2) emissions from airports at the city level are of increasing importance for low-carbon development of the civil aviation sector. However, CO2 emissions from airport operations have rarely been estimated and discussed. We investigate the main driving forces of airport CO2 emissions by using Ordinary Least...

China’s rapid urbanization and industrialization have affected the spatiotemporal patterns of nitrogen dioxide (NO2) pollution, which has led to greater environmental pressures. In order to mitigate the environmental pressures caused by NO2 pollution, it is of vital importance to investigate the influencing factors. We first obtained data for NO2 p...

Energy consumption from central heating has rapidly increased in the cities of the North China Plain (NCP). The increasing use of natural gas in the central heating supply system may have altered the spatial and temporal patterns of CO 2 emissions from central heating, yet the quantitative impacts are poorly understood. Here we detect the spatio-te...

China experienced rapid urbanization and industrialization in recent years, which resulted in large increases of nitrogen dioxide (NO2), particularly in urban areas. We analyze the spatiotemporal variations of the vertical column densities (VCDs) of tropospheric NO2 with the level of urban development across China during the period 2005–2016. Night...

With economic globalization, the supply-and-demand gap of China’s minerals is becoming increasingly sharp, and the degree of dependence on imports is climbing, which poses a severe threat to the resource security for the country. From the perspectives of system and sustainable development, this paper develops a conceptual framework of mineral secur...

Households may imperfectly implement energy saving measures. This study identifies two factors resulting in imperfect use of energy-saving technology by households. Households often continue to use old technologies alongside new ones, and the energy-saving technologies have shorter actual lifetimes than their designed lifetimes. These two factors a...

Fuel Cell Vehicles (FCVs) has been introduced to the market around the world in recent years. As the largest automobile market of the world, China is also one of the potential FCVs market. However, a series of factors and barriers influence the willingness of China's customers to accept FCVs. By using Fishbone Diagram, field survey and workshop dis...

This study aims at developing a sustainability assessment framework for assessing the technologies for the treatment of urban sewage sludge based on the logarithmic fuzzy preference programming based fuzzy analytic hierarchy process (LFPPFAHP) and extension theory. LFPPFAHP was employed to determine the weights of the criteria for sustainability as...

Energy conservation is essential for sustainable development. In order to find out the relative importance of various factors and take more effective actions, conventional decomposition studies mainly focus on economic activities. In this study, we explain energy consumption through people's use of time. We employ data on time use, population and e...

There are continuous debates around the question of whether CDM really contributes to sustainable development (SD) in host countries. Employment impact is an essential indicator of SD. Based on an input-out approach this research builds a quantitative assessment model to evaluate the employment impacts of CDM. Both direct and indirect jobs creation...

Active shape model (ASM) is a statistically parametrical model. It is widely used for facial feature extraction in face images. An ASM method is proposed. First, intensity values used in original ASM cannot provide enough information for model searching, which is sensitive to lighting conditions and so on. So we use a measure which indicates the or...

This paper measures the company's awareness and acceptability of market-based instruments (MBIs) for energy saving, and identifies their relationships with pre-classified determinants. The data were collected from 170 respondents mainly from iron & steel, cement and chemical sectors in China. The surveyed companies indicate moderate awareness but g...

This paper estimates the affordability of Chinese companies on energy cost increases due to the introduction of market-based climate policies. The data were collected from 170 respondents mainly from iron and steel, cement and chemical industries, using a multiple-bounded discrete choice (MBDC) format. Estimations indicate that a mean of 8.8% in en...

The automatic target recognition based on image fusion refers to the fusion process using the target images provided by a variety of sensors, so as to improve the recognition accuracy and robustness and to obtain better recognition performance. This paper presents a feature fusion method for global structure information and local structure informat...