Article
Environmental Sciences
Niloofar Shoari, Shahram Heydari, Marta Blangiardo
Summary: This study investigated factors affecting the odds of schools in Greater London exceeding the WHO-recommended concentration of NO2. Transport-related factors were found to increase the likelihood of non-compliance, while distance from roads, green space, and vehicle speed were associated with reduced likelihood of exceeding the recommended NO2 concentration. The study suggests the importance of adopting clean fuel technologies, installing green barriers, and reducing motorised traffic to improve air quality for school-aged children in urban settings.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Meteorology & Atmospheric Sciences
Leon Kuhn, Jonas Kuhn, Thomas Wagner, Ulrich Platt
Summary: This paper proposes an NO2 camera based on gas correlation spectroscopy for imaging measurements of NO2 in the visible spectral range. The NO2 camera utilizes two gas cells and two camera modules to generate NO2 images based on the signal ratio between the two images. The instrument has been successfully used to measure high spatiotemporal resolution NO2 column densities and mass flux. The prototype of the instrument is highly portable and cost-effective.
ATMOSPHERIC MEASUREMENT TECHNIQUES
(2022)
Article
Green & Sustainable Science & Technology
Sunbin Yoo, Shunsuke Managi
Summary: Lockdown measures implemented globally during the COVID-19 pandemic have led to a significant reduction in air pollution, particularly Nitrogen Dioxide. Research shows that the health benefits associated with these lockdowns amount to approximately 8.73 trillion USD, with China, the United States, Japan, and Germany being the countries benefiting the most. This underscores the importance of social distancing measures in bringing benefits that traditional policy interventions may not easily achieve.
Article
Engineering, Environmental
Xin Zhang, Ronald van der A, Jieying Ding, Henk Eskes, Jos van Geffen, Yan Yin, Juliette Anema, Chris Vagasky, Jeff L. Lapierre, Xiang Kuang
Summary: The Arctic region is experiencing significant warming and an increase in lightning frequency. This study combines TROPOMI observations of nitrogen dioxide (NO2) with Vaisala Global Lightning Dataset 360 to evaluate lightning NO2 (LNO2) production in the Arctic. By analyzing consecutive TROPOMI NO2 observations, the researchers determine the lifetime and production efficiency of LNO2 during the summers of 2019-2021. The results show that LNO2 production efficiency is about 6 times higher over the ocean compared to continental regions. Additionally, higher LNO2 production efficiency is often associated with lower lightning rates. The estimated summertime lightning NOx emissions in the Arctic are equal to 5% of anthropogenic NOx emissions, and the density of Arctic LNO2 can even be comparable to anthropogenic NO2 emissions in the region for a few hours. These findings suggest that LNO2 can play an important role in atmospheric chemical processes in the Arctic, particularly during the summer.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2023)
Article
Chemistry, Multidisciplinary
Wonbin Ju, Sungbae Lee
Summary: A capacitive NO2 sensing device based on graphene was developed using the quantum capacitance effect. The graphene field-effect transistor (G-FET) device had enhanced geometrical capacitance through an aluminum back-gate electrode with a naturally oxidized aluminum surface as an insulating layer. The quantum capacitance and measured capacitance of the device changed with NO2 concentrations, demonstrating the feasibility of capacitive NO2 sensing using graphene and explaining the operational principle.
Article
Engineering, Environmental
Maria Cristina Collivignarelli, Claudio De Rose, Alessandro Abba, Marco Baldi, Giorgio Bertanza, Roberta Pedrazzani, Sabrina Sorlini, Marco Carnevale Miino
Summary: The study compared air quality data during lockdown in London, Milan, and Paris, finding a significant decrease in NO2 concentrations due to reduced traffic. Despite the decrease in traffic contributions, high NO2 concentrations were still recorded in some locations. To reduce pollution effectively, a vision focusing on both traffic reduction and rethinking vehicle pollution effects is necessary.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2021)
Article
Environmental Sciences
Anastasia Montgomery, Madeleine I. G. Daepp, Marah Abdin, Pallavi Choudhury, Sara Malvar, Scott Counts, Daniel E. Horton
Summary: High-resolution air quality data products have the potential to quantify inequitable environmental exposures by identifying hotspots. However, different high-resolution data products may identify different hotspots, leading to difficulties in differentiating signal from noise. This study compares NO2 hotspots detected in Chicago using three different high-resolution air quality products and provides insights into dataset discrepancies and potential reasons for inconsistency.
ENVIRONMENTAL RESEARCH LETTERS
(2023)
Article
Environmental Sciences
Md Shakhaoat Hossain, H. Christopher Frey, Peter K. K. Louie, Alexis K. H. Lau
Summary: The study evaluated the health effects of pollutant changes in Hong Kong using the AQHI model. It was found that in urban areas with dense traffic, there was a significant reduction in AR associated with NO2 and O-3 changes, leading to an overall reduction in total AR across Hong Kong. It suggests that efforts to reduce NOx, SO2, and PM emissions should be continued for public health protection.
ENVIRONMENTAL POLLUTION
(2021)
Article
Meteorology & Atmospheric Sciences
Emily G. Yang, Eric A. Kort, Lesley E. Ott, Tomohiro Oda, John C. Lin
Summary: Since a majority of CO2 emissions from fossil fuels come from cities, it is important to use novel techniques to utilize satellite observations of CO2 and proxy species to control urban CO2. This study aims to establish the relationship between satellite observations of CO2 and the proxy species of NO2 and estimate CO2 emissions based on NO2 data. The method was tested in Buenos Aires, Melbourne, and Mexico City and proved to be viable throughout the year. This method provides a valuable observational constraint on urban CO2 emissions, with comparable monthly urban CO2 emissions estimates to inventory estimates.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
(2023)
Article
Chemistry, Multidisciplinary
Juanyuan Hao, Wen Lu, Dongmin Yin, Weixun Hao, You Wang
Summary: In this study, Ag3PO4-SnSe2 heterostructures were constructed as a NO2 sensing material to work under highly humid environments at room temperature. The sensor exhibited an increased response with the increase in relative humidity, which was attributed to the chemical inertness of SnSe2 and high affinity of Ag3PO4 to H2O molecules. Moreover, the sensor showed a high sensing response (6.8) to 5 ppm NO2 and a short response/recovery time (31/108 s) at room temperature.
NEW JOURNAL OF CHEMISTRY
(2023)
Article
Environmental Sciences
Fabio Galatioto, James Ferguson-Moore, Ruth Calderwood
Summary: This study utilized a mobile vehicle to conduct air quality surveys and found that the data collected from the Smogmobile were very close to the data from indicative systems, demonstrating significant potential and value in supporting local authorities in assessing air quality over large areas.
Article
Environmental Sciences
Jason A. Miech, Levi Stanton, Meiling Gao, Paolo Micalizzi, Joshua Uebelherr, Pierre Herckes, Matthew P. Fraser
Summary: Testing the performance of low-cost air quality sensors using various environmental factors showed discrepancies in two sensors, but these were mitigated through sensor-specific calibration, improving overall accuracy. Stable environmental conditions during sensor deployment benefited calibration performance over time.
Article
Environmental Sciences
Vasileios N. Matthaios, Daniel Rooney, Roy M. Harrison, Petros Koutrakis, William J. Bloss
Summary: This study measures the NO2 exposure inside vehicles under real-world driving conditions and evaluates the effectiveness of different filters in reducing in-vehicle NO2 levels. The results show that replacing the previous filters with new activated carbon cabin filters can significantly reduce NO2 exposure. However, the removal efficiency of the activated carbon filters decreases over time.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Zhanghang Zhu, Zongming Yang, Xinhan Zhang, Luhua Yu, Dandan Yang, Fanjia Guo, Lin Meng, Lisha Xu, Yonghao Wu, Tiezheng Li, Yaoyao Lin, Peng Shen, Hongbo Lin, Liming Shui, Mengling Tang, Mingjuan Jin, Jianbing Wang, Kun Chen
Summary: This study aimed to evaluate the association of long-term exposure to nitrogen dioxide (NO2) and walkability with the risk of incident metabolic syndrome (MetS). The results showed that living in areas with lower walkability and higher NO2 concentrations was associated with an increased risk of developing MetS.
ENVIRONMENT INTERNATIONAL
(2023)
Article
Environmental Sciences
Laura Keast, Lindsay Bramwell, Kamal Jyoti Maji, Judith Rankin, Anil Namdeo
Summary: Air pollution is a significant environmental threat to public health in the UK, with children being particularly vulnerable. Findings from a study in Newcastle upon Tyne showed that some schools had air pollutant concentrations that exceeded EU/UK regulations and guidelines, as well as WHO guidelines. Evidence-based policies are necessary to improve ambient air quality around schools and reduce children's exposure.
Article
Construction & Building Technology
Sepideh Sadat Korsavi, Azadeh Montazami, Dejan Mumovic
Summary: Children's perception of indoor air quality in classrooms is influenced by environmental variables and thermal sensation, with CO2 levels and operative temperatures playing significant roles. By maintaining CO2 levels below 1000 ppm and keeping operative temperatures within children's thermal comfort band, air sensation votes (ASVs) can be improved by 43%.
Article
Education & Educational Research
Sonja Oliveira, Luke Olsen, Liora Malki-Epshtein, Dejan Mumovic, Dina D'Ayala
Summary: This paper explores the development of multidisciplinary architecture/engineering higher education through the case study of an MEng course at UCL, shedding light on key mechanisms such as shared attitudes and the importance of institutional support for negotiating multidisciplinary curricula. It highlights the need for shared values and willingness to explore new solutions in order to further integrate architecture and engineering education. Additionally, it reflects on the value of design studio learning as a critical component of delivering multidisciplinary education in the built environment and STEM fields.
INTERNATIONAL JOURNAL OF TECHNOLOGY AND DESIGN EDUCATION
(2022)
Article
Environmental Sciences
Nishesh Jain, Esfand Burman, Samuel Stamp, Clive Shrubsole, Roderic Bunn, Tin Oberman, Edward Barrett, Francesco Aletta, Jian Kang, Peter Raynham, Dejan Mumovic, Mike Davies
Summary: Hospitals are controlled yet complex ecosystems that provide a therapeutic environment for healing and staff efficiency. To ensure good indoor environmental quality and meet energy efficiency targets, a holistic building performance evaluation and the use of new low-carbon technologies are necessary.
Article
Respiratory System
Dimitris Evangelopoulos, Lia Chatzidiakou, Heather Walton, Klea Katsouyanni, Frank J. Kelly, Jennifer K. Quint, Roderic L. Jones, Benjamin Barratt
Summary: This study investigated the effects of air pollution on COPD patients using personal measurements of various pollutants over a fine spatio-temporal scale. The findings suggest that gaseous pollutants, such as NO2, NO, and CO, are associated with deterioration in patients' health, while ozone has adverse associations with peak expiratory flow and breathlessness. No association was found between particles and any health outcomes.
EUROPEAN RESPIRATORY JOURNAL
(2021)
Article
Construction & Building Technology
Sung Min Hong, Daniel Godoy-Shimizu, Yair Schwartz, Ivan Korolija, Anna Mavrogianni, Dejan Mumovic
Summary: The commitment towards achieving net-zero emissions by 2050 in the UK requires significant improvements to building stock, with a focus on the education sector. Analysis of primary and secondary schools data aims to improve energy performance and provide guidance for reducing carbon emissions.
BUILDING SERVICES ENGINEERING RESEARCH & TECHNOLOGY
(2022)
Article
Construction & Building Technology
Samuel Stamp, Esfand Burman, Clive Shrubsole, Lia Chatzidiakou, Dejan Mumovic, Mike Davies
Summary: The study found that there are strong seasonal variations in indoor air quality in low-energy apartments, with higher levels of pollutants in winter compared to summer, likely due to ventilation rates. Although increased ventilation rates in summer help reduce formaldehyde concentrations, it also leads to outdoor pollutants entering the indoor environment, resulting in higher indoor concentrations of NO2 in summer than winter.
INDOOR AND BUILT ENVIRONMENT
(2022)
Article
Environmental Studies
Antonia Vavanou, Yair Schwartz, Dejan Mumovic
Summary: This study evaluates various retrofit approaches on a terraced house in London and finds that deep retrofit achieves the lowest life cycle carbon emissions. It recommends a 'staggered' retrofitting approach, starting with older buildings and simple retrofit packages first, before implementing deep retrofit packages on relatively new buildings to push towards a Zero-Carbon target.
JOURNAL OF HOUSING AND THE BUILT ENVIRONMENT
(2022)
Article
Construction & Building Technology
Riham Ahmed, Marcella Ucci, Dejan Mumovic, Emmanouil Bagkeris
Summary: This study investigates the association between participants' thermal sensations and cognitive performance in a female university in Saudi Arabia. Results show discrepancies in thermal sensations between Saudi and non-Saudi participants, which affected their performances. Cool and slightly cool sensations were associated with lower percentage of errors and higher speed, independently of ethnicity and acclimatization.
Article
Construction & Building Technology
Riham Ahmed, Dejan Mumovic, Emmanouil Bagkeris, Marcella Ucci
Summary: This study explores the combined effects of indoor temperatures and CO2 levels on cognitive performance among female students in Saudi Arabia. The results show that lower temperatures and better ventilation rates can improve speed and accuracy of cognitive tasks. This highlights the importance of improving ventilation and thermal environmental control for optimal learning conditions, especially in short-term exposures.
Review
Environmental Sciences
Ebele R. I. Mogo, Taibat Lawanson, Louise Foley, Clarisse Mapa-Tassou, Felix Assah, Toluwalope Ogunro, Victor Onifade, Damilola Odekunle, Richard Unuigboje, Nfondoh Blanche, Rose Alani, Lia Chatzidiakou, Olalekan Popoola, Roderic Jones, Tolu Oni
Summary: This study aims to understand the significance of public space initiatives in African cities for promoting health and wellbeing, particularly through preventing noncommunicable diseases. The study will adopt both quantitative and qualitative research designs, and apply a mixed methods analytical approach.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
(2022)
Article
Environmental Sciences
Samuel Stamp, Esfand Burman, Lia Chatzidiakou, Elizabeth Cooper, Yan Wang, Dejan Mumovic
Summary: This study evaluates the long-term and continuous monitoring of indoor and outdoor pollutants in various settings in the UK. The findings suggest that indoor-outdoor ratios of particulate matter and nitrogen dioxide exhibit dynamic behaviors influenced by occupant activity and window opening behavior. The traditional approach, which simplifies these ratios into static values, fails to capture the variability and key information. Therefore, a dynamic evaluation of the ratios can provide valuable insights into ventilation strategies and the impact of occupant behavior and indoor sources.
ATMOSPHERIC ENVIRONMENT
(2022)
Article
Thermodynamics
Yair Schwartz, Rokia Raslan, Dejan Mumovic
Summary: The environmental performance of existing buildings is crucial for achieving significant reductions in CO2 emissions. This study compares the refurbishment and replacement of two housing archetypes in London using Life Cycle Performance approaches. The results demonstrate the benefits of optimal refurbishment and incentivizing re-use for quicker emissions reductions.
Article
Environmental Sciences
Filiz Karakas, Duncan Grassie, Yair Schwartz, Jie Dong, Zaid Chalabi, Dejan Mumovic, Anna Mavrogianni, James Milner
Summary: This study evaluates the potential impact of different energy efficiency strategies on asthma incidence and healthcare costs in school buildings in England and Wales. The findings suggest that a combination of retrofit and operational strategies can effectively reduce childhood asthma incidence and hospital utilization costs.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Chemistry, Physical
Yiqun Han, Lia Chatzidiakou, Li Yan, Wu Chen, Hanbin Zhang, Anika Krause, Tao Xue, Queenie Chan, Jing Liu, Yangfeng Wu, Ben Barratt, Rod Jones, Tong Zhu, Frank J. Kelly
Summary: The difference between personal and ambient exposure to PM2.5 and its impact on health effects remains unclear. Personal exposure to PM2.5 was consistently lower than ambient concentration, especially during winter.
FARADAY DISCUSSIONS
(2021)
Article
Environmental Sciences
Elizabeth Alvarez-Chavez, Stephane Godbout, Mylene Genereux, Caroline Cote, Alain N. Rousseau, Sebastien Fournel
Summary: This study evaluated the effect of alternative filtering materials and bed aeration on the retention of nutrients and fecal bacteria in woodchip bedded stand-off pads for cows. The results showed that the alternative biofilters were more efficient in removing COD, SS, TN, and NO3-N, while conventional biofilters were more efficient for PO4-P removal. Aeration did not have a significant effect under the tested temperature conditions.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Yike Zhang, Zengyi Ma, Zhuoting Fang, Yuandong Qian, Zhiping Huang, Yilong Ye, Jianhua Yan
Summary: This study investigates the application of oxygen enrichment melting technology in the melting of municipal solid waste incineration fly ash. The results demonstrate that oxygen enrichment technology can reduce energy consumption and operating costs, as well as decrease pollution emissions.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Liangang Xiao, Mingkai Leng, Philip Greenwood, Rongqin Zhao, Zhixiang Xie, Zengtao You, Junguo Liu
Summary: This study investigates the effects of grazing exclusion on soil organic carbon (SOC) accumulation and vegetation recovery. It finds that grazing exclusion can increase the potential for SOC accumulation, and higher annual precipitation is positively correlated with SOC accumulation.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Beatrice Cantoni, Jessica Ianes, Beatrice Bertolo, Selena Ziccardi, Francesco Maffini, Manuela Antonelli
Summary: This study evaluates the performance of ozonation and adsorption as in-series processes compared to standalone processes for the removal of Contaminants of Emerging Concern (CECs) in drinking water. The combination of both processes proves to be more effective than adsorption and ozonation alone. Ozonation improves the adsorption performance of poorly-oxidizable CECs but worsens that of well-oxidizable compounds. This research highlights the importance of considering both processes in the removal of CECs in drinking water treatment plants.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Dan Li, Bingjun Liu, Yang Lu, Jianyu Fu
Summary: A new Standardized compound Drought and Saltwater intrusion Index (SDSI) was developed to detect changes in the severity of CDSEs in six estuaries. The study found that saltwater intrusion plays a dominant role in influencing SDSI severity, and CDSEs vary in frequency, duration and severity among different estuaries.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Yong-Qiang Li, Rui Sun, Chong-Miao Zhang, Zi-Xuan Liu, Rui-tao Chen, Jian Zhao, Hua-dong Gu, Huan-Cai Yin
Summary: In this study, an electron beam excitation multi-wavelength ultraviolet (EBE-MW-UV) system was established and found to have significantly higher microbial inactivation effects compared to single-wavelength UV-LEDs in water. Mechanism analysis revealed that EBE-MW-UV damaged microbial DNA and proteins, and generated additional reactive oxygen species, leading to microbial inactivation.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Kaili Ma, Xinxin Han, Qiujuan Li, Yu Kong, Qiaoli Liu, Xu Yan, Yahong Luo, Xiaopin Li, Huiyang Wen, Zhiguo Cao
Summary: This study reveals that the use of a tryptophan-degrading microbial consortium (TDC) can enhance the hydrolysis efficiency of waste activated sludge (WAS), increasing the yield and quality of short chain fatty acids (SCFAs) and improving the solubilization and release of organic substances from WAS.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Ling Xiong, Rui Li
Summary: Incorporating Ecosystem Service Value (ESV) into land use planning can provide informed land management decisions. This study evaluates the ESV of Guizhou Province in China's karst region. The results show an increase in total ESV over the past two decades due to ecological restoration projects.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
M. Geetha Jenifel
Summary: This article discusses the importance of water and the pollution of freshwater resources, and introduces the use of machine learning models and blockchain technology to predict and protect water quality.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Stanslaus Terengia Materu, Taotao Chen, Chang Liu, Daocai Chi, Meng Jun
Summary: The study showed that H2SO4-modified biochar can reduce P leaching, increase soil available P, and enhance plant P uptake in alternate wetting and drying irrigation systems. Biochar additions B20A and IAWDB20A-M were effective in improving yield, reducing P leaching, and increasing APB.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Amir Nouri, Ali Akbar Zinatizadeh, Sirus Zinadini, Mark Van Loosdrecht
Summary: This study focuses on the development of an air-lift bio-electrochemical reactor (ALBER) with a continuous feeding regime to enhance nitrogen removal from synthetic wastewater. The effect of temperature, hydraulic retention time (HRT), N -NH+4 /TN ratio, and current density on the reactor performance was investigated, and the ALBER achieved a maximum TN removal of 73%. The results suggest that the ALBER has potential for treating industrial wastewater at low temperatures.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Peifang Wang, Guoxiang You, Yang Gao, Juan Chen, Xun Wang, Chao Wang
Summary: This study investigated the ecological processes of microbial communities and N- and P-transformation processes in multistage agricultural drainage ditches. The results showed that the microbial communities were co-shaped by agricultural practices and ditch size, which further governed the N and P removal performance.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Xiaofeng Niu, Huan Wang, Tao Wang, Peiyu Zhang, Huan Zhang, Hongxia Wang, Xianghong Kong, Songguang Xie, Jun Xu
Summary: Microorganisms play a critical role in maintaining ecosystem balance, and environmental stressors can affect the assembly processes of microbial communities. The study found that different stressors have opposite effects on microbial community assembly in water and sediment, and warming has different influences compared to herbicides and nutrients.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Yuqing Tan, Qiming Cheng, Fengwei Lyu, Fei Liu, Linhao Liu, Yihong Su, Shaochun Yuan, Wenyu Xiao, Zhen Liu, Yao Chen
Summary: The exacerbation of global warming, extreme weather events, and rapid urbanization have led to increased flooding in urban areas. China has adopted sponge city as an efficient means of preventing and controlling urban floods. Using a SWMM-FVCOM model, the hydrological reduction and control effect of sponge city construction (SPCC) within a university campus were evaluated. The study found that implementing SPCC effectively mitigates surface runoff and reduces the severity of urban flooding. However, the efficacy of runoff control decreases with longer rainfall return periods.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Environmental Sciences
Zhonghan Chen, Qiuyan Li, Shibo Yan, Juan Xu, Qiaoyun Lin, Zhuangming Zhao, Ziying He
Summary: Tidal rivers are important biochemical reaction channels, receiving carbon from wastewater and agricultural drains, affecting CO2 emissions. Through modeling and data analysis, researchers explored carbon distribution, emissions, and greenhouse effects, emphasizing the potential of river management to change global CO2 emissions under climate change.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)