Article
Environmental Sciences
Shuaibin Liu, Farah Durani, Qasim Raza Syed, Mohammad Haseeb, Juhi Shamim, Zaijun Li
Summary: This study investigates whether improving energy efficiency can reduce carbon dioxide emissions in the US, while considering factors such as trade, economic growth, and population. The findings suggest that energy efficiency improvements lead to reductions in emissions in the long-term and short-term. Population and economic growth, on the other hand, increase emissions, and trade has a positive impact on emissions in the long-term.
FRONTIERS IN ENVIRONMENTAL SCIENCE
(2022)
Article
Environmental Sciences
Guanqiao Ding, Jie Guo, Steven G. Pueppke, Jialin Yi, Minghao Ou, Weixin Ou, Yu Tao
Summary: This study quantifies the compactness of urban form in 295 cities in China between 2000 and 2015 and examines its impact on CO2 emissions. The findings reveal a significant negative relationship between compact urban form and CO2 emissions. Two thresholds of compactness are detected, leading to three categories of cities with different impacts on carbon emissions reduction. The study highlights the importance of compact urban form as a strategy to reduce CO2 emissions and contributes to the design of low-carbon cities.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2022)
Article
Environmental Sciences
Jiying Wu, Olivier Joseph Abban, Alex Dankyi Boadi, Ofori Charles
Summary: This study analyzes the marginal impact of energy price and economic freedom on Europe's CO2 emissions and finds the existence of spatial spillover effect among European countries. Increasing economic freedom and energy price can reduce CO2 emissions and affect neighboring countries' emissions. The findings provide policy suggestions for the European Commission to reduce CO2 emissions.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Engineering, Environmental
Jiayu Xu, Mengran Lu, Yixin Guo, Lin Zhang, Youfan Chen, Zehui Liu, Mi Zhou, Weili Lin, Weiwei Pu, Zhiqiang Ma, Yu Song, Yuepeng Pan, Lei Liu, Dongsheng Ji
Summary: This study investigates the reasons for the underestimations of NH3 concentrations in Beijing in August 2018 by the WRF-Chem model, including simulated gas-particle partitioning, meteorology, regional transport, and emissions. The results show that the simulated NH3 concentrations are significantly lower than the ground-based and satellite observations, with more moderate underestimations in winter. Further analyses and sensitivity experiments indicate that these discrepancies cannot be attributed to factors other than biases in NH3 emissions. The study suggests that both agricultural and non-agricultural NH3 emissions in Beijing need to increase by around 5 times to match the observations, and future research should focus on allocating the underestimations to urban fertilizer, power, traffic, or residential sources. Dense and regular urban NH3 observations are necessary to validate the bottom-up inventories and NHx simulation.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2023)
Article
Environmental Sciences
Xiaocong Xu, Jinpei Ou, Penghua Liu, Xiaoping Liu, Honghui Zhang
Summary: Research on the relationship between urban structures and CO2 emissions in mainland China found that three-dimensional urban structures play a crucial role in influencing CO2 emissions. Factors such as total building volume, building height, and heat dissipation area were identified as key drivers of CO2 emissions. While compact urban building coverage at a two-dimensional scale can reduce CO2 emissions, an intense and congested pattern in three-dimensional space may lead to higher CO2 emissions.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Environmental Sciences
Xiaojing Zhao, Yanling Xi
Summary: Population size and industrial structure have a nonlinear impact on CO2 emissions in cities, and a reasonable match is needed; China should formulate differentiated population policies for cities with different industrial structures; for cities with a population size of more than 1.38 million, adjusting the industrial structure to prioritize the tertiary industry is an effective way to reduce CO2 emissions.
FRONTIERS IN ENVIRONMENTAL SCIENCE
(2022)
Article
Environmental Sciences
Wu Hao, Farhat Rasul, Zobia Bhatti, Muhammad Shahid Hassan, Ishtiaq Ahmed, Nabila Asghar
Summary: This study explores the role of technological innovation and economic progress in reducing environmental pollution in developing Asian countries. The results show the existence of an Environmental Kuznets Curve relationship in these countries, indicating that technological development and innovation have the potential to decrease carbon emissions and protect the environment. Additionally, the error correction model suggests that in case of external shocks, the model will converge towards equilibrium within 64.6 years.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Green & Sustainable Science & Technology
Boqiang Lin, Miao Wang
Summary: The study found that in recent years, R&D efficiency and energy intensity were the main factors contributing to the reduction of CO2 emissions, with the rise in urban employment proportion also aiding in emission reduction. However, labor productivity growth, investment intensity increase, and urbanization level improvement all had positive impacts on the growth of CO2 emissions.
SUSTAINABLE PRODUCTION AND CONSUMPTION
(2021)
Article
Environmental Sciences
Shiyu Xia, Huaiyong Shao, Hao Wang, Wei Xian, Qiufang Shao, Ziqiang Yin, Jiaguo Qi
Summary: This study utilized satellite data and models to analyze the CO2 emissions in the Beijing-Tianjin-Hebei region from 2000 to 2019. Results indicated an eastward distribution pattern with decreasing regional spatial aggregation over the years. Population, affluence, and technology factors were positively correlated with CO2 emissions, with population growth being the main driver.
Article
Environmental Sciences
Quan-Jing Wang, Gen-Fu Feng, Hai-Jie Wang, Chun-Ping Chang
Summary: This research examines the relationship between political ideology and national greenhouse gas emissions using multinational panel data from 98 countries between 1990 and 2016. The results indicate that left-wing governments tend to have lower carbon dioxide emissions compared to right-wing governments. The study also highlights the role of energy efficiency and education, showing that leftist parties promote energy efficiency and allocate more funds to secondary education, resulting in reduced greenhouse gas emissions. Additionally, the moderating effects of economic performance, globalization, and political systems on the relationship between political ideology and emissions are explored.
GLOBAL ENVIRONMENTAL CHANGE-HUMAN AND POLICY DIMENSIONS
(2022)
Article
Green & Sustainable Science & Technology
Jiao Ren, Hui Bai, Shunchang Zhong, Zhifang Wu
Summary: This paper focuses on the forecasting of CO2 emissions in cities and explores the reduction potential at the city level. Using the Kaya identity and multi-scenario simulation, the paper predicts the emissions trajectory of 13 cities in the Beijing-Tianjin-Hebei urban agglomeration from 2021 to 2035. The results show that most cities have already reached their peak emissions, while some are expected to reach their peaks between 2025 and 2030. Comparative analysis reveals the significant effects of low-carbon and sustainable development scenarios on emissions reductions.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Green & Sustainable Science & Technology
Shuwei Jia, Bo Hu, Wanminghao Zhu, Jun Zheng
Summary: Under the guidance of carbon peak goals, control of road transport CO(2) and reduction of pollutant emissions have become the focus of urban traffic management. This study analyzed the mechanism of the price control strategy for reducing urban traffic pollution and carbon emissions and established a model based on LA-SC-SD theory.
ENVIRONMENT DEVELOPMENT AND SUSTAINABILITY
(2023)
Article
Environmental Sciences
Jingquan Chen, Xinyan Lian, Hanning Su, Ziyan Zhang, Xiaojun Ma, Baishu Chang
Summary: This paper focuses on the low-carbon transition in environmental research, using China's eight major economic regions as the research object. Different models and analysis methods are used to explore issues such as carbon emissions and energy efficiency, identifying problems and driving factors affecting carbon emissions in China.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Environmental Sciences
Shifen Cheng, Beibei Zhang, Peng Peng, Feng Lu
Summary: This study evaluates the impact of pollution control policies for heavy-duty diesel trucks (HDDTs) in Beijing on PM2.5 concentrations, human health, and economic losses. High spatiotemporal resolution emission data from HDDTs is used to assess the effectiveness of these policies. The results show that upgrading fuel and emission standards can significantly reduce PM2.5 concentrations and prevent premature deaths, resulting in substantial economic benefits.
ENVIRONMENT INTERNATIONAL
(2023)
Article
Environmental Sciences
Puju Cao, Zhao Liu
Summary: This study investigates the impact of population characteristics on transportation CO2 emissions in China. The results show that population aging and population quality can restrain transportation CO2 emissions, but the negative effects of population aging are indirectly caused by economic growth and transportation demand. Furthermore, population living standards have an urban-rural difference, with urban living standards playing a predominant role in transportation CO2 emissions. Population growth has a weakly positive effect on transportation CO2 emissions. At the regional level, the effect of population aging on transportation CO2 emissions varies across regions.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Engineering, Civil
Fang Wang, Xiaoyue Deng, Yuan Gao, Hualou Long, Zhao Liu
JOURNAL OF URBAN PLANNING AND DEVELOPMENT
(2020)
Article
Environmental Sciences
Fang Wang, Yedian Luo, Zhao Liu
Summary: The urban landscape reflects the relationship between artificial intervention and natural evolution in the watershed system and is a direct expression of human-environment relationships in watersheds. Analyzing the level of landscape homogenization quantitatively and qualitatively is important for considering local culture in landscape planning. This study assessed geotagged photographs to identify landscape changes and differences in the Yangtze River Basin, and found a relationship between landscape locality and urbanization.
RIVER RESEARCH AND APPLICATIONS
(2023)
Article
Construction & Building Technology
Zhao Liu, Fang Wang, Pengcheng Xue, Feng Xue
Summary: Under the bidirectional flow pattern of urban and rural factors, the tourism industry has become an important way to promote the vitality of urban and rural areas. This study constructs a networked land use model and maps the tourism flow and geographic space networks. It proposes a multi-layer nested network theory with spatial relevance to solve practical problems such as urban-rural dual opposition and functional segmentation.
INDOOR AND BUILT ENVIRONMENT
(2022)
Article
Computer Science, Interdisciplinary Applications
Zhao Liu, Fang Wang, Anrong Dang
Summary: Under the requirements of new urbanization in China, improving urban spatial vitality has become a key aspect of territory development plans. This study analyzes the spatiotemporal characteristics of urban vitality in 36 key Chinese cities from 1990 to 2015 and evaluates it based on societal, economic, environmental, cultural, and cyberspace factors. The results show that southern/eastern coastal cities have higher vitality levels compared to northern/western inland cities. Cities with the highest vitality are mostly located in the Pearl and Yangtze River deltas, the Beijing-Tianjin region, and the middle reaches of the Yangtze River. The study also provides infrastructure measures to promote vitality.
Article
Construction & Building Technology
Fang Wang, Zhao Liu, Pengcheng Xue, Anrong Dang
Summary: High-speed railway significantly improves the accessibility level of most cities, but its impact on regional economy and population varies. Large cities benefit from the high-speed railway, while small and medium-sized cities face population loss and economic downturn.
SUSTAINABLE CITIES AND SOCIETY
(2022)
Article
Development Studies
Zhao Liu, Shunyi Wang, Fang Wang
HABITAT INTERNATIONAL
(2019)
Article
Economics
Fang Wang, Zhao Liu, Shanshan Shang, Yuelei Qin, Bihu Wu
Article
Construction & Building Technology
Gabriele Bernardini, Tiago Miguel Ferreira, Pilar Baquedano Julia, Rafael Ramirez Eudave, Enrico Quagliarini
Summary: This research offers a methodology for combined spatiotemporal flood risk assessment, considering hazard, physical vulnerability, user exposure, and vulnerability. It adopts a mesoscale approach and investigates indoor and outdoor users' exposure and vulnerability, using the Analytical Hierarchy Process to combine risk factors.
SUSTAINABLE CITIES AND SOCIETY
(2024)
Article
Construction & Building Technology
Ying Liu, Chunli Chu, Ruijun Zhang, Shaoqing Chen, Chao Xu, Dongliang Zhao, Chunchun Meng, Meiting Ju, Zhi Cao
Summary: This study investigates the effects of increasing road, wall, and roof albedo on mitigating the urban heat island (UHI) effect in different areas of Tianjin. The results reveal that increasing road albedo is more effective in fringe areas, while increasing wall and roof albedo is more effective in central areas. The temperature changes induced by albedo changes also show seasonal characteristics.
SUSTAINABLE CITIES AND SOCIETY
(2024)
Article
Construction & Building Technology
Xisheng Lin, Yunfei Fu, Daniel Z. Peng, Chun-Ho Liu, Mengyuan Chu, Zengshun Chen, Fan Yang, Tim K. T. Tse, Cruz Y. Li, Xinxin Feng
Summary: This study employed computational fluid dynamics and neural network models to investigate and predict pollutant dispersion in urban environments, providing valuable insights for designing effective strategies to mitigate the impacts of hazardous pollutants.
SUSTAINABLE CITIES AND SOCIETY
(2024)
Article
Construction & Building Technology
Dipanjan Nag, Arkopal Kishore Goswami
Summary: Future-oriented urban planning should continue to focus on the principles of accessible and walkable cities. The perception of people is crucial for developing better urban walking infrastructure, but current evaluation tools often neglect the "perceived" features of the walking network. This study used conjoint analysis to evaluate users' perception of link and network attributes, revealing the importance of considering both in improving the walking environment.
SUSTAINABLE CITIES AND SOCIETY
(2024)
Article
Construction & Building Technology
Yongxin Su, Tao Zhang, Mengyao Xu, Mao Tan, Yuzhou Zhang, Rui Wang, Ling Wang
Summary: This study proposes an optimization method for household integrated demand response (HIDR) by combining rough knowledge and a dueling deep Q-network (DDQN), aiming to address uncertainties in a household multi-energy system (HMES). The simulation results demonstrate that the proposed method outperforms rule-based methods and DDQN in terms of energy cost savings.
SUSTAINABLE CITIES AND SOCIETY
(2024)
Article
Construction & Building Technology
Sijia Sun, S. F. A. Batista, Monica Menendez, Yuanqing Wang, Shuang Zhang
Summary: This paper comprehensively analyzes the energy consumption characteristics of electric buses (EBs) and diesel buses (DBs) on different bus lane configurations and operational conditions. The study shows that EBs consume less energy in suburban areas when using regular lanes, while both EBs and DBs save substantial energy when operating on dedicated bus lanes in downtown areas. Notably, shared-use bus lanes have the highest energy consumption.
SUSTAINABLE CITIES AND SOCIETY
(2024)
Article
Construction & Building Technology
Shangshang Shen, Dan Yan, Xiaojie Liu
Summary: This study developed a comprehensive theoretical framework for evaluating, diagnosing, and optimizing multi-functional urban agriculture. The framework was applied in Xiamen, China to identify the obstacles that impede its coordinated development and propose optimized modes for its development. Results showed that urban agriculture in Xiamen exhibits sound social function, moderate economic function, and poor ecological function.
SUSTAINABLE CITIES AND SOCIETY
(2024)
Article
Construction & Building Technology
Oluwafemi E. Adeyeri, Akinleye H. Folorunsho, Kayode I. Ayegbusi, Vishal Bobde, Tolulope E. Adeliyi, Christopher E. Ndehedehe, Akintomide A. Akinsanola
Summary: This study examines the impact of land cover, vegetation health, climatic forcings, elevation heat loads, and terrain characteristics on land surface temperature distribution over West Africa. The random forest model performs the best in downscaling predictands. The southern regions consistently exhibit healthy vegetation, while areas with unhealthy vegetation coincide with hot land surface temperature clusters. Positive Normalized Difference Vegetation Index trends in the Sahel highlight rainfall recovery and subsequent greening. Southwest winds cause the upwelling of cold waters, resulting in low land surface temperatures in southern West Africa. Considering LVCET factors is crucial for prioritizing greening initiatives and urban planning.
SUSTAINABLE CITIES AND SOCIETY
(2024)
Article
Construction & Building Technology
Yuchi Cao, Yan Li, Shouyun Shen, Weiwei Wang, Xiao Peng, Jiaao Chen, Jingpeng Liao, Xinyi Lv, Yifan Liu, Lehan Ma, Guodian Hu, Jinghuan Jiang, Dan Sun, Qingchu Jiang, Qiulin Liao
Summary: The study reveals significant disparities in urban green equity, with high property price areas having better access to green spaces than low property price areas. Landscape and greening have the most significant impact on urban green space differentiation.
SUSTAINABLE CITIES AND SOCIETY
(2024)
Article
Construction & Building Technology
Shaobo Sun, Kui Shan, Shengwei Wang
Summary: Economizer control is an important measure for energy savings in air-conditioning systems during moderate seasons. Humidity measurement uncertainties have a significant impact on enthalpy-based economizer control, and an uncertainty-tolerant control strategy is proposed to mitigate these effects.
SUSTAINABLE CITIES AND SOCIETY
(2024)
Article
Construction & Building Technology
Ding Mao, Peng Wang, Yi-Ping Fang, Long Ni
Summary: This study analyzes the structure, function, operation, and failure characteristics of district heating networks (DHNs) and proposes vulnerability analysis methods. The effectiveness of these methods is validated through application to a DHN in a Chinese city. The study finds that the heat source connectivity efficiency loss rate effectively characterizes topological and functional vulnerability. It also reveals that controllable DHNs have higher functional vulnerability under large area failure scenarios.
SUSTAINABLE CITIES AND SOCIETY
(2024)
Article
Construction & Building Technology
Hamid Karimi, Saeed Hasanzadeh, Hedayat Saboori
Summary: This paper presents a stochastic and cooperative approach for the operation of a cluster of interconnected multi-energy systems. The proposed model investigates the interaction among energy systems and integrates hydrogen and water systems into the overall energy structure. The model studies the performance of energy system agents in decentralized and cooperative scheduling.
SUSTAINABLE CITIES AND SOCIETY
(2024)
Article
Construction & Building Technology
Zhiyu Yan, Xiaogang Guo, Zilong Zhao, Luliang Tang
Summary: This study proposes a novel framework for fine-grained information extraction and dynamic spatial-temporal awareness in disaster-stricken areas based on social media data. The framework utilizes deep learning modules to extract location and water depth information from text and images, and analyzes the spatio-temporal distribution characteristics. The results show that the fusion of text and image-based information can enhance the perception of flood processes.
SUSTAINABLE CITIES AND SOCIETY
(2024)
Article
Construction & Building Technology
M. A. Pans, G. Claudio, P. C. Eames
Summary: This study simulated and optimized a speculative district heating system in an existing urban area in Loughborough, UK. The system used only renewable heat sources and thermal energy storage to address the mismatch between heat generation and demand. The study assessed the impact of long-term storage volume and charging temperature on system cost and energy efficiency.
SUSTAINABLE CITIES AND SOCIETY
(2024)
Article
Construction & Building Technology
Jianmei Zhong, Wei Zhang, Xiaoli Wang, Jinsheng Zhan, Tao Xia, Lingzhi Xie, Xiding Zeng, Kun Yang, Zhangyu Li, Ruiwen Zou, Zepu Bai, Qing Wang, Chenyang Zhang
Summary: This study aims to propose a suitable air distribution design and reduce the energy consumption of the BSL-4 laboratory. It analyzes the diffusion characteristics of aerosols, infection risk under different air distributions, and ventilation parameters. The results show that the proposed energy-saving operation strategy can reduce the energy consumption of the laboratory by 15-30%.
SUSTAINABLE CITIES AND SOCIETY
(2024)