Continuous accumulation of plastic litter in terrestrial ecosystems acts as a major pathway for the macroplastics (MaPs) and microplastics (MiPs) contamination into marine environment. This review synthesizes current knowledge on the sources, fate, and transport of plastic litter within soil–plant systems. It also presents a novel synthesis that connects plastic litter–induced modifications in soil properties and nutrient dynamics with physiological stress, root distortion, and reduced photosynthetic performance in plants. It was found that MaPs primarily affect soil structure by blocking pores and disrupting aggregation, whereas MiP impairs seed germination, nutrient uptake, photosynthesis, and redox imbalance via oxidative stress and leachates of toxic additives. Evidence indicates the uptake and vascular translocation of MiP in edible tissues causes potential risks to food chain. Finally, future research directions were proposed on soil remediation strategies, assessing long-term impact of MiPs and nanoplastics on plant genetic cycle.
{"title":"Impact of macroplastic and microplastic litter pollution on terrestrial soil–plant ecosystems: Pathways, fate, and transport","authors":"Deval Jugraj Singh , Anil Kumar Dikshit , Sunil Kumar","doi":"10.1016/j.coesh.2025.100694","DOIUrl":"10.1016/j.coesh.2025.100694","url":null,"abstract":"<div><div>Continuous accumulation of plastic litter in terrestrial ecosystems acts as a major pathway for the macroplastics (MaPs) and microplastics (MiPs) contamination into marine environment. This review synthesizes current knowledge on the sources, fate, and transport of plastic litter within soil–plant systems. It also presents a novel synthesis that connects plastic litter–induced modifications in soil properties and nutrient dynamics with physiological stress, root distortion, and reduced photosynthetic performance in plants. It was found that MaPs primarily affect soil structure by blocking pores and disrupting aggregation, whereas MiP impairs seed germination, nutrient uptake, photosynthesis, and redox imbalance via oxidative stress and leachates of toxic additives. Evidence indicates the uptake and vascular translocation of MiP in edible tissues causes potential risks to food chain. Finally, future research directions were proposed on soil remediation strategies, assessing long-term impact of MiPs and nanoplastics on plant genetic cycle.</div></div>","PeriodicalId":52296,"journal":{"name":"Current Opinion in Environmental Science and Health","volume":"49 ","pages":"Article 100694"},"PeriodicalIF":6.6,"publicationDate":"2025-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145790845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-11-26DOI: 10.1016/j.coesh.2025.100693
Priyansha Gupta , Manuel D. Arciniegas-Pérez , Héctor A. Barrios-Piña
Desalination addresses freshwater scarcity, but hypersaline brine discharge raises ecological and health concerns. This review synthesizes 15 years of research on desalination brine impacts. Key stressors, high salinity, temperature, alkalinity, and metals, degrade water quality, biodiversity, and ecological balance. Effects include 40% plankton loss and 25–30% seagrass decline near outfalls. Elevated ions and residual chemicals disrupt microbes, fostering pathogens and disease. Regulatory frameworks remain fragmented. Advances in AI modeling and resource recovery offer mitigation, yet knowledge gaps persist on cumulative and synergistic impacts. Sustainable desalination requires integrated monitoring, AI-based management, and harmonized global regulations for ecosystem protection.
{"title":"Impact of brine discharge from desalination plants on marine ecosystems: A review","authors":"Priyansha Gupta , Manuel D. Arciniegas-Pérez , Héctor A. Barrios-Piña","doi":"10.1016/j.coesh.2025.100693","DOIUrl":"10.1016/j.coesh.2025.100693","url":null,"abstract":"<div><div>Desalination addresses freshwater scarcity, but hypersaline brine discharge raises ecological and health concerns. This review synthesizes 15 years of research on desalination brine impacts. Key stressors, high salinity, temperature, alkalinity, and metals, degrade water quality, biodiversity, and ecological balance. Effects include 40% plankton loss and 25–30% seagrass decline near outfalls. Elevated ions and residual chemicals disrupt microbes, fostering pathogens and disease. Regulatory frameworks remain fragmented. Advances in AI modeling and resource recovery offer mitigation, yet knowledge gaps persist on cumulative and synergistic impacts. Sustainable desalination requires integrated monitoring, AI-based management, and harmonized global regulations for ecosystem protection.</div></div>","PeriodicalId":52296,"journal":{"name":"Current Opinion in Environmental Science and Health","volume":"49 ","pages":"Article 100693"},"PeriodicalIF":6.6,"publicationDate":"2025-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145790884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-11-25DOI: 10.1016/j.coesh.2025.100692
Justine Criquet
The formation of brominated and iodinated disinfection by-products is of concern due to impaired water quality, taste- and odor-issues, and health concerns. Progress in the identification of precursors among the complex organic matter reveals that low-molecular-weight by-products are the main toxicity drivers. These by-products could, however, originate from the degradation of high-molecular-weight organic matter, especially in the presence of iodide during chlorination or chloramination and algal bloom events. Alternative oxidants such as peracids or periodate reach different levels of assessment, considering the formation of by-products, demonstrating breakthroughs in this field but also remaining gaps to be filled.
{"title":"Brominated and iodinated disinfection by-products: Recent advances in formation, characterization, and toxicity","authors":"Justine Criquet","doi":"10.1016/j.coesh.2025.100692","DOIUrl":"10.1016/j.coesh.2025.100692","url":null,"abstract":"<div><div>The formation of brominated and iodinated disinfection by-products is of concern due to impaired water quality, taste- and odor-issues, and health concerns. Progress in the identification of precursors among the complex organic matter reveals that low-molecular-weight by-products are the main toxicity drivers. These by-products could, however, originate from the degradation of high-molecular-weight organic matter, especially in the presence of iodide during chlorination or chloramination and algal bloom events. Alternative oxidants such as peracids or periodate reach different levels of assessment, considering the formation of by-products, demonstrating breakthroughs in this field but also remaining gaps to be filled.</div></div>","PeriodicalId":52296,"journal":{"name":"Current Opinion in Environmental Science and Health","volume":"49 ","pages":"Article 100692"},"PeriodicalIF":6.6,"publicationDate":"2025-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145737973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-11-19DOI: 10.1016/j.coesh.2025.100691
Paramjeet Singh Paliyal , Surajit Mondal
The increasing global demand for clean and sustainable water treatment solutions has accelerated research into Parabolic Solar Collectors (PSCs) for solar-driven water purification. PSCs utilize concentrated solar energy to achieve high temperatures, facilitating critical water treatment processes such as desalination, pathogen inactivation, and heavy metal removal. This review explores the latest advancements in PSC technology, including high-efficiency selective coatings, hybrid photovoltaic-thermal (PVT) integration, nanofluid-based heat transfer, AI-driven automation, and modular system designs, which have significantly enhanced efficiency, scalability, and reliability. A comparative analysis of various PSC-based water treatment strategies is presented, highlighting their advantages, limitations, and performance metrics. Additionally, a correlation matrix demonstrates the interdependencies between key technological innovations in PSCs and their impact on energy efficiency and sustainability. While PSC technology has shown great potential in decentralized and industrial water treatment, challenges such as high initial costs, material durability, and operational optimization persist. Future research will focus on cost-effective materials, advanced automation, and hybrid energy storage systems to further improve the efficacy and accessibility of PSCs for global water treatment applications.
{"title":"Parabolic solar collectors for sustainable water treatment: A review of applications, advancements and future directions","authors":"Paramjeet Singh Paliyal , Surajit Mondal","doi":"10.1016/j.coesh.2025.100691","DOIUrl":"10.1016/j.coesh.2025.100691","url":null,"abstract":"<div><div>The increasing global demand for clean and sustainable water treatment solutions has accelerated research into Parabolic Solar Collectors (PSCs) for solar-driven water purification. PSCs utilize concentrated solar energy to achieve high temperatures, facilitating critical water treatment processes such as desalination, pathogen inactivation, and heavy metal removal. This review explores the latest advancements in PSC technology, including high-efficiency selective coatings, hybrid photovoltaic-thermal (PVT) integration, nanofluid-based heat transfer, AI-driven automation, and modular system designs, which have significantly enhanced efficiency, scalability, and reliability. A comparative analysis of various PSC-based water treatment strategies is presented, highlighting their advantages, limitations, and performance metrics. Additionally, a correlation matrix demonstrates the interdependencies between key technological innovations in PSCs and their impact on energy efficiency and sustainability. While PSC technology has shown great potential in decentralized and industrial water treatment, challenges such as high initial costs, material durability, and operational optimization persist. Future research will focus on cost-effective materials, advanced automation, and hybrid energy storage systems to further improve the efficacy and accessibility of PSCs for global water treatment applications.</div></div>","PeriodicalId":52296,"journal":{"name":"Current Opinion in Environmental Science and Health","volume":"49 ","pages":"Article 100691"},"PeriodicalIF":6.6,"publicationDate":"2025-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145737974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-11-17DOI: 10.1016/j.coesh.2025.100690
Siavash Mohamadi, Christian A. Werner, Ning Dai
Disinfection/oxidation byproducts (DBPs) are formed during water treatment. Nitrogenous DBPs (N-DBPs) are generally more toxic than the DBPs without nitrogen. Recently, DBPs of more than two carbons (“higher-carbon DBPs”) have been reported, but the status of higher-carbon N-DBP research has not been reviewed. This review assembled 355 individual compounds/structures of emerging higher-carbon N-DBPs and summarized the occurrence, precursors, and oxidation treatment for the 12 major classes (196 compounds/structures), including halogenated aromatic/cyclic compounds (nitrophenols, anilines, benzoquinone imines, pyridines, pyrroles, imidazoles, indoles, and nucleobases), as well as aliphatic/aromatic/cyclic compounds featuring nitrile, amide, and imide functional groups. Almost half of the major higher-carbon N-DBPs were confirmed by standards, but mass spectrometry-based identification is also common. Chlorination was the most studied disinfection method for higher-carbon N-DBPs, followed by chloramination and pre-ozonation, while chlorine dioxide and UV were not commonly considered. The levels of higher-carbon N-DBPs in real water samples ranged from <0.1 to ∼100 ng/L based on the limited studies, but their global occurrence remains unknown. Preliminary toxicity assessment showed that higher-carbon N-DBPs were more toxic than their non-nitrogenous analogues and the regulated DBPs. Potential synergy between the research of DBPs and contaminants of emerging concern (CECs) was discussed, as CECs can serve as a significant but previously overlooked source of precursors for both higher-carbon N-DBPs and the high-priority small-molecule DBPs. Strengthening the synergy between the research on DBPs and advanced oxidation processes (AOPs), especially regarding nitrogen-incorporation during AOP, will contribute to our understanding on the formation of higher-carbon N-DBPs.
{"title":"Emerging higher-carbon nitrogenous disinfection byproducts: A brief review of structures, occurrence, and research needs","authors":"Siavash Mohamadi, Christian A. Werner, Ning Dai","doi":"10.1016/j.coesh.2025.100690","DOIUrl":"10.1016/j.coesh.2025.100690","url":null,"abstract":"<div><div>Disinfection/oxidation byproducts (DBPs) are formed during water treatment. Nitrogenous DBPs (N-DBPs) are generally more toxic than the DBPs without nitrogen. Recently, DBPs of more than two carbons (“higher-carbon DBPs”) have been reported, but the status of higher-carbon N-DBP research has not been reviewed. This review assembled 355 individual compounds/structures of emerging higher-carbon N-DBPs and summarized the occurrence, precursors, and oxidation treatment for the 12 major classes (196 compounds/structures), including halogenated aromatic/cyclic compounds (nitrophenols, anilines, benzoquinone imines, pyridines, pyrroles, imidazoles, indoles, and nucleobases), as well as aliphatic/aromatic/cyclic compounds featuring nitrile, amide, and imide functional groups. Almost half of the major higher-carbon N-DBPs were confirmed by standards, but mass spectrometry-based identification is also common. Chlorination was the most studied disinfection method for higher-carbon N-DBPs, followed by chloramination and pre-ozonation, while chlorine dioxide and UV were not commonly considered. The levels of higher-carbon N-DBPs in real water samples ranged from <0.1 to ∼100 ng/L based on the limited studies, but their global occurrence remains unknown. Preliminary toxicity assessment showed that higher-carbon N-DBPs were more toxic than their non-nitrogenous analogues and the regulated DBPs. Potential synergy between the research of DBPs and contaminants of emerging concern (CECs) was discussed, as CECs can serve as a significant but previously overlooked source of precursors for both higher-carbon N-DBPs and the high-priority small-molecule DBPs. Strengthening the synergy between the research on DBPs and advanced oxidation processes (AOPs), especially regarding nitrogen-incorporation during AOP, will contribute to our understanding on the formation of higher-carbon N-DBPs.</div></div>","PeriodicalId":52296,"journal":{"name":"Current Opinion in Environmental Science and Health","volume":"49 ","pages":"Article 100690"},"PeriodicalIF":6.6,"publicationDate":"2025-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145685643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-11-08DOI: 10.1016/j.coesh.2025.100689
Dimitra Lambropoulou
{"title":"Message from the new Editor-in-Chief","authors":"Dimitra Lambropoulou","doi":"10.1016/j.coesh.2025.100689","DOIUrl":"10.1016/j.coesh.2025.100689","url":null,"abstract":"","PeriodicalId":52296,"journal":{"name":"Current Opinion in Environmental Science and Health","volume":"49 ","pages":"Article 100689"},"PeriodicalIF":6.6,"publicationDate":"2025-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145645685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-11-03DOI: 10.1016/j.coesh.2025.100685
Kaichao Yang , Zhen He
This review aims to examine DBP formation during electrochemical disinfection. The effects of electrochemically generated reactive species and water matrices are analyzed both qualitatively and quantitatively. Different DBP formation mechanisms/pathways between electrochemical and conventional chemical disinfection are discussed. The electrode materials play a critical role in the generation of different types of reactive species. The presence of bromide, ammonia, and carbonates can affect both the concentration and composition of DBPs by transforming reactive chlorine species into other species such as bromine radicals, chloramines, and carbonate radicals. Potential strategies for DBP control are proposed, including the reduction of DBP formation via pre-treatment process, electrode design and optimizing reactor operation, and post-treatment to remove the formed DBPs.
{"title":"Formation of disinfection byproducts in electrochemical water disinfection","authors":"Kaichao Yang , Zhen He","doi":"10.1016/j.coesh.2025.100685","DOIUrl":"10.1016/j.coesh.2025.100685","url":null,"abstract":"<div><div>This review aims to examine DBP formation during electrochemical disinfection. The effects of electrochemically generated reactive species and water matrices are analyzed both qualitatively and quantitatively. Different DBP formation mechanisms/pathways between electrochemical and conventional chemical disinfection are discussed. The electrode materials play a critical role in the generation of different types of reactive species. The presence of bromide, ammonia, and carbonates can affect both the concentration and composition of DBPs by transforming reactive chlorine species into other species such as bromine radicals, chloramines, and carbonate radicals. Potential strategies for DBP control are proposed, including the reduction of DBP formation via pre-treatment process, electrode design and optimizing reactor operation, and post-treatment to remove the formed DBPs.</div></div>","PeriodicalId":52296,"journal":{"name":"Current Opinion in Environmental Science and Health","volume":"48 ","pages":"Article 100685"},"PeriodicalIF":6.6,"publicationDate":"2025-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145571360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-11-01DOI: 10.1016/j.coesh.2025.100684
Julian L. Fairey , Ashley D. Pifer , David G. Wahman
Intrinsic disinfection byproducts are formed by reactions between disinfectant species and/or their decomposition products. In this review, we focus on a subset that accumulates in free chlorine and chloramine drinking water systems. First, we review the sequential formation of chlorite, chlorate, and perchlorate in hypochlorite feedstocks. Model simulations indicate chlorate and perchlorate can accumulate under realistic dosing conditions and can be managed with less concentrated feedstocks and climate-controlled storage. Second, we review the formation pathways of dichloramine and chloronitramide anion. Chloronitramide anion accumulation may be mitigated by increasing monochloramine stability and quenching reactive nitrogen species in its formation pathway.
{"title":"Intrinsic disinfection byproducts in free chlorine and chloramine systems: Formation of chlorite, chlorate, perchlorate, and chloronitramide anion","authors":"Julian L. Fairey , Ashley D. Pifer , David G. Wahman","doi":"10.1016/j.coesh.2025.100684","DOIUrl":"10.1016/j.coesh.2025.100684","url":null,"abstract":"<div><div>Intrinsic disinfection byproducts are formed by reactions between disinfectant species and/or their decomposition products. In this review, we focus on a subset that accumulates in free chlorine and chloramine drinking water systems. First, we review the sequential formation of chlorite, chlorate, and perchlorate in hypochlorite feedstocks. Model simulations indicate chlorate and perchlorate can accumulate under realistic dosing conditions and can be managed with less concentrated feedstocks and climate-controlled storage. Second, we review the formation pathways of dichloramine and chloronitramide anion. Chloronitramide anion accumulation may be mitigated by increasing monochloramine stability and quenching reactive nitrogen species in its formation pathway.</div></div>","PeriodicalId":52296,"journal":{"name":"Current Opinion in Environmental Science and Health","volume":"48 ","pages":"Article 100684"},"PeriodicalIF":6.6,"publicationDate":"2025-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145571359","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-11-01DOI: 10.1016/j.coesh.2025.100688
Thomas Sol Dourdin , Cassandre Aimon , Scott McCairns , Marie-Agnès Coutellec
Whilst ecology has served as a foundational inspiration for risk assessment in ecotoxicology, far less attention has been given to evolution, despite its importance. As the need for a new paradigm in ecotoxicology is becoming increasingly evident in the face of Global change, the consideration of evolutionary processes and patterns should provide a way to progress towards this objective. This review draws on the recent literature to support this idea, with a particular attention to the interplay between evolutionary rates. In doing so, we recast ecotoxicology as an innovative, exciting discipline, conceptually equipped to meet the challenges of the Anthropocene era.
{"title":"It's about time: Integrating micro- and macro-evolutionary perspectives into ecotoxicology for improved predictions and long-term assessment of ecosystem health","authors":"Thomas Sol Dourdin , Cassandre Aimon , Scott McCairns , Marie-Agnès Coutellec","doi":"10.1016/j.coesh.2025.100688","DOIUrl":"10.1016/j.coesh.2025.100688","url":null,"abstract":"<div><div>Whilst ecology has served as a foundational inspiration for risk assessment in ecotoxicology, far less attention has been given to evolution, despite its importance. As the need for a new paradigm in ecotoxicology is becoming increasingly evident in the face of Global change, the consideration of evolutionary processes and patterns should provide a way to progress towards this objective. This review draws on the recent literature to support this idea, with a particular attention to the interplay between evolutionary rates. In doing so, we recast ecotoxicology as an innovative, exciting discipline, conceptually equipped to meet the challenges of the Anthropocene era.</div></div>","PeriodicalId":52296,"journal":{"name":"Current Opinion in Environmental Science and Health","volume":"48 ","pages":"Article 100688"},"PeriodicalIF":6.6,"publicationDate":"2025-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145571361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-10-30DOI: 10.1016/j.coesh.2025.100681
Ismael Vera-Puerto , Darja Istenič , Pascal Molle , Carmen Hernández-Crespo , Carlos A. Arias
Combined sewer overflow (CSO) discharges pose a significant challenge to urban water management. Constructed wetlands (CWs) are a promising blue-green infrastructure solution for CSO management and water quality improvement, with recognized economic, social, and environmental benefits. This review synthesizes the state-of-the-art in CSO treatment using CWs over the past 30 years and explores current trends and future projections. A bibliometric analysis of 68 papers from the Web of Science Core Collection revealed that although CWs have been applied at a full scale for CSO treatment since the 1990s, they remain an emerging research topic. Germany, France, Italy, the United Kingdom and the United States of America lead in literature production and application. However, there is a significant lack of information from the Global South (developing countries) and tropical/subtropical regions. Reports from temperate developed countries indicate good performance, with removal efficiencies above 70 % for conventional pollutants such as solids, organic matter, and nutrients (nitrogen and phosphorus). However, pathogen removal was limited. Contaminants of emerging concern such as pharmaceuticals, polycyclic aromatic hydrocarbons (PAHs), and microplastics, have also been investigated in CW-treated CSOs with divergent results. This review also discusses various aspects, including regulations, design, environmental performance, and trade-offs. While CWs demonstrate substantial potential for preventing surface water pollution, their application and associated knowledge must expand beyond developed temperate regions, mirroring the global adoption of CWs for domestic wastewater and stormwater treatment. This expansion is crucial for CWs to be considered a truly global solution for CSO treatment.
复合式污水溢流（CSO）排放对城市水管理提出了重大挑战。人工湿地（CWs）是一种很有前途的蓝绿色基础设施解决方案，用于公民社会组织的管理和水质改善，具有公认的经济、社会和环境效益。本综述综合了过去30年来使用化学武器治疗CSO的最新进展，并探讨了目前的趋势和未来的预测。对Web of Science核心合集68篇论文的文献计量分析表明，尽管自20世纪90年代以来，CWs已经全面应用于CSO治疗，但它们仍然是一个新兴的研究课题。德国、法国、意大利、英国和美国在文献生产和应用方面处于领先地位。然而，全球南方（发展中国家）和热带/亚热带地区的资料严重缺乏。来自温带发达国家的报告显示了良好的性能，对固体、有机物和营养物质（氮和磷）等常规污染物的去除效率超过70%。然而，病原菌的去除是有限的。新出现的关注污染物，如药物、多环芳烃（PAHs）和微塑料，也在化化水处理的公民社会组织中进行了研究，结果不同。本综述还讨论了各个方面，包括法规、设计、环境性能和权衡。虽然化粪池在防止地表水污染方面显示出巨大的潜力，但它们的应用和相关知识必须扩展到发达温带地区以外，反映出全球在生活废水和雨水处理中采用化粪池的情况。这一扩展对于将CWs视为CSO治疗的真正全球解决方案至关重要。
{"title":"Constructed wetlands for combined sewer overflow treatment: A 30-year review, current trends and future projections","authors":"Ismael Vera-Puerto , Darja Istenič , Pascal Molle , Carmen Hernández-Crespo , Carlos A. Arias","doi":"10.1016/j.coesh.2025.100681","DOIUrl":"10.1016/j.coesh.2025.100681","url":null,"abstract":"<div><div>Combined sewer overflow (CSO) discharges pose a significant challenge to urban water management. Constructed wetlands (CWs) are a promising blue-green infrastructure solution for CSO management and water quality improvement, with recognized economic, social, and environmental benefits. This review synthesizes the state-of-the-art in CSO treatment using CWs over the past 30 years and explores current trends and future projections. A bibliometric analysis of 68 papers from the Web of Science Core Collection revealed that although CWs have been applied at a full scale for CSO treatment since the 1990s, they remain an emerging research topic. Germany, France, Italy, the United Kingdom and the United States of America lead in literature production and application. However, there is a significant lack of information from the Global South (developing countries) and tropical/subtropical regions. Reports from temperate developed countries indicate good performance, with removal efficiencies above 70 % for conventional pollutants such as solids, organic matter, and nutrients (nitrogen and phosphorus). However, pathogen removal was limited. Contaminants of emerging concern such as pharmaceuticals, polycyclic aromatic hydrocarbons (PAHs), and microplastics, have also been investigated in CW-treated CSOs with divergent results. This review also discusses various aspects, including regulations, design, environmental performance, and trade-offs. While CWs demonstrate substantial potential for preventing surface water pollution, their application and associated knowledge must expand beyond developed temperate regions, mirroring the global adoption of CWs for domestic wastewater and stormwater treatment. This expansion is crucial for CWs to be considered a truly global solution for CSO treatment.</div></div>","PeriodicalId":52296,"journal":{"name":"Current Opinion in Environmental Science and Health","volume":"48 ","pages":"Article 100681"},"PeriodicalIF":6.6,"publicationDate":"2025-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145571357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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