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Impact of EU non-financial reporting regulation on Spanish companies’ environmental disclosure: a cutting-edge natural language processing approach
IF 6 3区 环境科学与生态学
Environmental Sciences Europe Pub Date : 2025-02-21 DOI: 10.1186/s12302-025-01067-z
Javier Villacampa-Porta, María Coronado-Vaca, Eduardo C. Garrido-Merchán
{"title":"Impact of EU non-financial reporting regulation on Spanish companies’ environmental disclosure: a cutting-edge natural language processing approach","authors":"Javier Villacampa-Porta,&nbsp;María Coronado-Vaca,&nbsp;Eduardo C. Garrido-Merchán","doi":"10.1186/s12302-025-01067-z","DOIUrl":"10.1186/s12302-025-01067-z","url":null,"abstract":"<div><h3>Background</h3><p>A debate exists about the effects of environmental disclosure becoming mandatory on the quality and the actual commitment of such reporting. This study seeks to assess whether differences exist when comparing the disclosure quality and comprehensiveness of Spanish companies’ non-financial reports under voluntary and mandatory reporting regimes spanning the period 2015–2022.</p><h3>Methods</h3><p>We present a novel approach by utilizing cutting-edge Natural Language Processing (NLP) techniques, chiefly <i>ClimateBERT</i> (a transformer-LLM—Large Language Model) and <i>ClimateBERT</i> fine-tuned on <i>ClimaText</i> (a public database for climate change topic detection), to scrutinize and compare 729 voluntary and mandatory non-financial corporate reports from 96 Spanish companies spanning multiple sectors. Since transformers can only be accurately estimated by organizations with lots of computing power, but not by small organizations, we have also fine-tuned the transformer, something cheaper in computational terms, thus making it affordable to all companies, investors, regulators, policymakers, and other stakeholders.</p><h3>Results</h3><p>Our results document interesting patterns and strong trends of enhancement in specificity and commitment, particularly in risk-related texts, spanning the period 2015–2022. We provide descriptive evidence and an explorative appeal that underscores the regulations' influence, among many other factors also identified by prior literature (other stakeholders’ requirements and expectations from companies, aside from the regulatory stakeholders), in fostering a higher quality and more comprehensive approach to climate risk reporting by Spanish companies, with enhanced alignment to internationally recognized reporting guidelines. In addition, the comparative analysis between the transformer model and the fine-tuned transformer model revealed subtle yet insightful differences in how climate disclosures are interpreted. The fine-tuned model exhibited an increased sensitivity to elements of commitment, specificity, and neutrality in climate texts.</p><h3>Conclusions</h3><p>Our findings highlight the potential of cutting-edge NLP techniques, like fine-tuned transformers, in the quantitative assessment of the evolution and quality of environmental disclosures, either mandatory or voluntary. It is the first paper applying a fine-tuned transformer-LLM to compare the currently in force European mandatory environmental disclosure regulation’s impact on Spanish companies' environmental disclosure versus previous voluntary reporting.</p></div>","PeriodicalId":546,"journal":{"name":"Environmental Sciences Europe","volume":"37 1","pages":""},"PeriodicalIF":6.0,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1186/s12302-025-01067-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143455532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on the comprehensive effect of the Porter hypothesis of environmental protection tax regulation in China
IF 6 3区 环境科学与生态学
Environmental Sciences Europe Pub Date : 2025-02-20 DOI: 10.1186/s12302-025-01069-x
Chen Ming-jun, Zhou Jian-ya
{"title":"Research on the comprehensive effect of the Porter hypothesis of environmental protection tax regulation in China","authors":"Chen Ming-jun,&nbsp;Zhou Jian-ya","doi":"10.1186/s12302-025-01069-x","DOIUrl":"10.1186/s12302-025-01069-x","url":null,"abstract":"<div><p>As a type of environmental regulation, environmental protection taxes (EPTs) have a Porter hypothesis effect. The Porter hypothesis effect is a comprehensive effect that includes the compliance cost effect, the innovation compensation effect, the weak Porter hypothesis effect, and the strong Porter hypothesis effect. The comprehensive effect of the Porter hypothesis is discussed through an evaluation of the implementation of an environmental protection tax law (EPTL). On the basis of the data of 729 heavily polluting enterprises, the mechanism of the regulatory effect of EPTs on the comprehensive effect of the Porter hypothesis is discussed via multiple linear regression equations. The results show that the compliance cost effect is still significant and that the innovation compensation effect, the weak Porter hypothesis effect, and the strong Porter hypothesis effect are declining. To realise the Porter hypothesis effect of environmental protection tax regulation more effectively, it is necessary to take the following measures: cultivate complex tax personnel; consult taxpaying enterprises on their information needs; optimise the collection and management process by applying the concept of precise service; reset the local tax rate; and increase the punitive provisions of the environmental protection tax law (EPTL).</p></div>","PeriodicalId":546,"journal":{"name":"Environmental Sciences Europe","volume":"37 1","pages":""},"PeriodicalIF":6.0,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1186/s12302-025-01069-x.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143455446","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Distribution of microplastics in tadpoles, adults, and habitats of three water frogs of Pelophylax spp.
IF 6 3区 环境科学与生态学
Environmental Sciences Europe Pub Date : 2025-02-19 DOI: 10.1186/s12302-025-01065-1
Hale Tatlı, Kenan Gedik, Abdullah Altunışık
{"title":"Distribution of microplastics in tadpoles, adults, and habitats of three water frogs of Pelophylax spp.","authors":"Hale Tatlı,&nbsp;Kenan Gedik,&nbsp;Abdullah Altunışık","doi":"10.1186/s12302-025-01065-1","DOIUrl":"10.1186/s12302-025-01065-1","url":null,"abstract":"<div><p>Microplastics (MPs) are ubiquitous environmental contaminants, and amphibians are especially susceptible owing to their dual aquatic and terrestrial life cycle and permeable integument. This research examines the presence, composition, and potential origins of microplastics in tadpoles, adult frogs, and their environments in different regions of Türkiye, concentrating on three Anatolian water frog species: <i>Pelophylax ridibundus, P. bedriagae</i>, and <i>P. caralitanus</i>. Samples were obtained from 11 sites, encompassing water bodies, sediments, tadpoles, and the gastrointestinal tracts (GITs) of adult frogs. MPs were examined for polymer type, morphology, and dimensions via stereomicroscopy and Fourier transforms infrared spectroscopy. Results indicated that microplastics were absent in 64% of sediment and water samples; nevertheless, elevated quantities were identified in areas with considerable human activity, such as İstanbul. Tadpoles demonstrated negligible MP intake, with merely 2 MPs identified among 157 samples, resulting in an average of 0.01 MP per individual. Conversely, 44% of the 100 adult frogs exhibited microplastics in their gastrointestinal tracts, averaging 1.52 microplastics per individual. The MPs were primarily fibers (90.8%) and comprised polymers such as ethylene–vinyl acetate (EVA) (32.5%) and polycyclohexylenedimethylene terephthalate (PCT) (20.8%). The study emphasizes the potential dangers of microplastics to amphibian health and reinforces the necessity of addressing microplastic pollution in freshwater habitats through focused conservation initiatives.</p></div>","PeriodicalId":546,"journal":{"name":"Environmental Sciences Europe","volume":"37 1","pages":""},"PeriodicalIF":6.0,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1186/s12302-025-01065-1.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143446521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An integrated approach to assessing the quality of sediments in the Great Backa and Bega canals, Serbia
IF 6 3区 环境科学与生态学
Environmental Sciences Europe Pub Date : 2025-02-10 DOI: 10.1186/s12302-025-01058-0
Tanja Tomić, Tamara Jurca, Dunja Rađenović Veselić, Nataša Slijepčević, Dejan Krčmar, Milena Bečelić-Tomin, Dragana Tomašević Pilipović
{"title":"An integrated approach to assessing the quality of sediments in the Great Backa and Bega canals, Serbia","authors":"Tanja Tomić,&nbsp;Tamara Jurca,&nbsp;Dunja Rađenović Veselić,&nbsp;Nataša Slijepčević,&nbsp;Dejan Krčmar,&nbsp;Milena Bečelić-Tomin,&nbsp;Dragana Tomašević Pilipović","doi":"10.1186/s12302-025-01058-0","DOIUrl":"10.1186/s12302-025-01058-0","url":null,"abstract":"<div><h3>Background</h3><p>To improve the process of achieving good ecological and chemical status of waters, it is proposed that issues regarding the sediment in water bodies be incorporated in national and international river basin management programs. For a more realistic sediment quality assessment, multidimensional approaches that include various methods are preferred. The northern part of Serbia has an intertwined network of canals that receive untreated industrial and municipal wastewaters and pollution from the surrounding agricultural land. This leads to the accumulation of large amounts of sediments with varying quality in the canals. To assess the quality of the Great Backa and Bega canal sediments, an analysis based on chemical, ecological and ecotoxicological methods was conducted and the sediment quality triad approach was applied. Ecotoxicological data was obtained in a battery of tests on standard organisms belonging to different trophic levels in various exposure scenarios. Sediment contact tests on <i>Myriophyllum aquaticum</i>, immobilization tests on <i>Daphnia magna</i> (in water–sediment and elutriates) and <i>Allivibrio fischeri</i> bioluminescence tests (in elutriates) were performed. In addition, a small-scale accumulation test of potentially toxic elements on exposed plants was conducted.</p><h3>Results</h3><p>Responses of test organisms in the Great Backa samples were in line with the results of chemical analysis or stronger, while the analysis of aquatic macroinvertebrates reflected bad ecological potential of the canal. The Bega samples were highly contaminated and the ecological potential of the canal was graded as bad, but the ecotoxicological tests did not reveal high toxicity of samples. Plants exposed to samples from both canals took in metals, but inhibition of growth was detected only in the Great Backa samples, while the growth in the Bega samples was stimulated. The principal component analysis revealed no significant correlation between organism responses and results of chemical analysis. Based on the SQT applied, there is a likelihood of adverse effects posed by sediments from both canals.</p><h3>Conclusions</h3><p>Ecotoxicological tests complemented the commonly applied methods for sediment quality evaluation. The triad approach applied with the addition of the accumulation test contributed to a more ecologically relevant sediment quality assessment. Results indicated that remediation, dredging or mitigation measures are required.</p></div>","PeriodicalId":546,"journal":{"name":"Environmental Sciences Europe","volume":"37 1","pages":""},"PeriodicalIF":6.0,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1186/s12302-025-01058-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143379841","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unmute biodiversity risks of free trade? The EFTA–Mercosur Agreement (Swiss) case study
IF 6 3区 环境科学与生态学
Environmental Sciences Europe Pub Date : 2025-02-10 DOI: 10.1186/s12302-025-01063-3
Rémi Willemin, Cornelia B. Krug, Nicolas Roux, Elisabeth Bürgi Bonanomi, Marc Chesney, Benjamin Curnow, Sierra Deutsch, Maarten B. Eppinga, Johanna Jacobi, Sofia J. van Moorsel, Fanny Petibon, Leila Schuh, Gabi Sonderegger, Patrick O. Waeber, Maria J. Santos
{"title":"Unmute biodiversity risks of free trade? The EFTA–Mercosur Agreement (Swiss) case study","authors":"Rémi Willemin,&nbsp;Cornelia B. Krug,&nbsp;Nicolas Roux,&nbsp;Elisabeth Bürgi Bonanomi,&nbsp;Marc Chesney,&nbsp;Benjamin Curnow,&nbsp;Sierra Deutsch,&nbsp;Maarten B. Eppinga,&nbsp;Johanna Jacobi,&nbsp;Sofia J. van Moorsel,&nbsp;Fanny Petibon,&nbsp;Leila Schuh,&nbsp;Gabi Sonderegger,&nbsp;Patrick O. Waeber,&nbsp;Maria J. Santos","doi":"10.1186/s12302-025-01063-3","DOIUrl":"10.1186/s12302-025-01063-3","url":null,"abstract":"<div><p>Sustainability and environmental impact assessments of trade and investment agreements need to address biodiversity more effectively. To showcase this, we examined a report, commissioned by Switzerland, on potential environmental impacts and risks of the trade between Switzerland and the Mercosur under the EFTA–Mercosur Free Trade Agreement. Our analysis focuses on chemical pollution, regulatory impact, duty-free precious minerals, deforestation, and greenhouse gas emission to develop a roadmap for (re-)interpreting (muted) risks on biodiversity in light of the Global Biodiversity Framework. Our analytical approach on normative and substantive effectiveness of impact assessments encourages broader responses to impacts of economic policies on biodiversity and ecosystems.</p></div>","PeriodicalId":546,"journal":{"name":"Environmental Sciences Europe","volume":"37 1","pages":""},"PeriodicalIF":6.0,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1186/s12302-025-01063-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143379842","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Using problem formulation for an efficient, fit-for-purpose risk assessment of microbial plant protection products
IF 6 3区 环境科学与生态学
Environmental Sciences Europe Pub Date : 2025-02-08 DOI: 10.1186/s12302-025-01062-4
Anne K. Steenbergh, Gertie Arts, Peter A. H. M. Bakker, Wietse de Boer, Debora C. M. Glandorf, Mechteld M. S. ter Horst, Rob de Jonge, Willem Jan de Kogel, Jürgen Köhl
{"title":"Using problem formulation for an efficient, fit-for-purpose risk assessment of microbial plant protection products","authors":"Anne K. Steenbergh,&nbsp;Gertie Arts,&nbsp;Peter A. H. M. Bakker,&nbsp;Wietse de Boer,&nbsp;Debora C. M. Glandorf,&nbsp;Mechteld M. S. ter Horst,&nbsp;Rob de Jonge,&nbsp;Willem Jan de Kogel,&nbsp;Jürgen Köhl","doi":"10.1186/s12302-025-01062-4","DOIUrl":"10.1186/s12302-025-01062-4","url":null,"abstract":"<div><p>The safety of the use of microbial plant protection products (PPP) is assessed before the products can be placed on the market. Due to large differences amongst microbial PPP a case-by-case approach is needed for this assessment. We propose to use the problem formulation approach based on pathways to harm to tailor the assessment to individual microbial PPP and to harmonise this approach when possible. The steps in problem formulation are described and examples are given of how the approach can be used for case-by-case assessments of microbial PPP. We also describe which other elements are needed to fully optimise the risk assessment of microbial PPP and how our approach fits in with the current EU regulatory framework and ongoing activities.</p></div>","PeriodicalId":546,"journal":{"name":"Environmental Sciences Europe","volume":"37 1","pages":""},"PeriodicalIF":6.0,"publicationDate":"2025-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1186/s12302-025-01062-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143370035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unmasking MRSA antibiotic resistance: the impact of environment, pollution, and healthcare quality—a nationwide exploration in China: a comprehensive analysis spanning 2014 to 2021 in mainland China
IF 6 3区 环境科学与生态学
Environmental Sciences Europe Pub Date : 2025-02-08 DOI: 10.1186/s12302-025-01064-2
Yi-Chang Zhao, Ming-Xuan Xiao, Zhi-Hua Sun, Jia-Kai Li, Huai-yuan Liu, Bi-Kui Zhang, Hua-Lin Cai, Wei Cao, Feng Yu, Miao Yan
{"title":"Unmasking MRSA antibiotic resistance: the impact of environment, pollution, and healthcare quality—a nationwide exploration in China: a comprehensive analysis spanning 2014 to 2021 in mainland China","authors":"Yi-Chang Zhao,&nbsp;Ming-Xuan Xiao,&nbsp;Zhi-Hua Sun,&nbsp;Jia-Kai Li,&nbsp;Huai-yuan Liu,&nbsp;Bi-Kui Zhang,&nbsp;Hua-Lin Cai,&nbsp;Wei Cao,&nbsp;Feng Yu,&nbsp;Miao Yan","doi":"10.1186/s12302-025-01064-2","DOIUrl":"10.1186/s12302-025-01064-2","url":null,"abstract":"<div><h3>Background</h3><p>The rise of antibiotic resistance has become a critical global health concern, resulting in numerous fatalities annually. Among resistant pathogens, methicillin-resistant <i>Staphylococcus</i> <i>aureus</i> (MRSA) poses a particularly severe and expanding threat. However, there is a lack of comprehensive studies on the prevalence, patterns, and contributing factors of MRSA resistance within mainland China.</p><h3>Methods</h3><p>In this study, the data of MRSA antimicrobial resistance in 31 provinces from 2014 to 2021 were obtained from the China Antimicrobial Resistance Surveillance System (CARSS). Environment and medical care data were obtained either from the National Bureau of Statistics (NBS) database or the National Ministry of Ecology and Environment (NMEE). Multiple linear regression and restricted cubic spline (RCS) was used to explore the potential influencing factors of MRSA antibiotic resistance rate (AMR).</p><h3>Results</h3><p>Significant positive associations were identified between MRSA AMR and various factors, including cadmium pollution, soybean and poultry production, and oil consumption. Conversely, an inverse J-shaped relationship was observed between tap water coverage and MRSA resistance. Other noteworthy correlations included the effects of corn and pork production, as well as antibiotic use intensity. Our predictive model explained 52.7% of the variability in MRSA AMR, demonstrating strong predictive capability.</p><h3>Conclusions</h3><p>This study highlights the significant role of environmental, agricultural, and healthcare factors in influencing MRSA AMR in China. The findings emphasize the need for integrated strategies addressing regional environmental and healthcare quality in combating antibiotic resistance. Extending this research globally could enhance understanding of MRSA resistance dynamics on a broader scale.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":546,"journal":{"name":"Environmental Sciences Europe","volume":"37 1","pages":""},"PeriodicalIF":6.0,"publicationDate":"2025-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1186/s12302-025-01064-2.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143370000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Future climate and agricultural farming systems affect the fungal plastisphere of different biodegradable plastics at the early stage of field degradation
IF 6 3区 环境科学与生态学
Environmental Sciences Europe Pub Date : 2025-02-08 DOI: 10.1186/s12302-025-01051-7
Benjawan Tanunchai, Martin Schädler, Matthias Noll
{"title":"Future climate and agricultural farming systems affect the fungal plastisphere of different biodegradable plastics at the early stage of field degradation","authors":"Benjawan Tanunchai,&nbsp;Martin Schädler,&nbsp;Matthias Noll","doi":"10.1186/s12302-025-01051-7","DOIUrl":"10.1186/s12302-025-01051-7","url":null,"abstract":"<div><h3>Background</h3><p>The use of biodegradable mulch films has an advantage over non-biodegradable ones, as it offers degradation by microbes under environmental conditions. Nevertheless, less is known about the microbial colonization of different biodegradable plastics under different agricultural systems and climate change conditions. In the current study, the plastic degradation experiment was conducted at the Global Change Experimental Facility platform, specifically in conventional and organic farming systems, both under ambient and future climatic conditions. In this study, we investigated the early fungal colonizers associated with polybutylene-succinate (PBS) and polybutylene adipate-co-terephthalate (PBAT) with polyethylene (PE) as a reference in comparison to the initial soil fungal community.</p><h3>Results</h3><p>We found a distinct pattern between soil and plastisphere fungi. Soil fungi were dominated by Sordariomycetes (mainly <i>Gibellulopsis</i>, <i>Fusarium</i>, and <i>Gibberella</i>), and fungi in plastics were dominated by Dothideomycetes (mainly <i>Mycosphaerella</i>, <i>Alternaria</i>, and <i>Cladosporium</i>). These microbes were previously reported as plastic colonizers and potential plastic degraders. We found that agricultural systems affect both fungal richness and community composition of the plastisphere. Plastic type significantly affected the fungal richness, but not the fungal community composition. The two different agricultural systems undergo different treatments, including crop rotation and fertilization, which in turn impact the fungal colonization of the biodegradable plastics.</p><h3>Conclusions</h3><p>This study provides new insights into factors that affect early fungal colonization of different biodegradable plastics under real field conditions using high-throughput sequencing. These data are of high relevance to evaluate the plastic composition for adjusted rate of plastic biodegradation for upcoming mulch film products.</p></div>","PeriodicalId":546,"journal":{"name":"Environmental Sciences Europe","volume":"37 1","pages":""},"PeriodicalIF":6.0,"publicationDate":"2025-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1186/s12302-025-01051-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143369990","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characterization of polyethylene and polyurethane microplastics and their adsorption behavior on Cu2+ and Fe3+ in environmental matrices
IF 6 3区 环境科学与生态学
Environmental Sciences Europe Pub Date : 2025-02-06 DOI: 10.1186/s12302-025-01061-5
Ilaria Zanoni, Lucia Briccolani, Lara Faccani, Magda Blosi, Simona Ortelli, Matteo Crosera, Giovanna Marussi, Stefania Albonetti, Anna Luisa Costa
{"title":"Characterization of polyethylene and polyurethane microplastics and their adsorption behavior on Cu2+ and Fe3+ in environmental matrices","authors":"Ilaria Zanoni,&nbsp;Lucia Briccolani,&nbsp;Lara Faccani,&nbsp;Magda Blosi,&nbsp;Simona Ortelli,&nbsp;Matteo Crosera,&nbsp;Giovanna Marussi,&nbsp;Stefania Albonetti,&nbsp;Anna Luisa Costa","doi":"10.1186/s12302-025-01061-5","DOIUrl":"10.1186/s12302-025-01061-5","url":null,"abstract":"<div><p>As the world faces growing environmental challenges, understanding the nature of microplastics—such as Low-Density Polyethylene (LDPE) and Polyurethane (PU)—and their transformation in water-based environments is necessary for predicting and mitigating their effects. In this study, we investigated their physicochemical characteristics, presence of impurities, colloidal behavior, and sorption capacity to understand better how microplastics behave and transform in the environment, including their role in transporting heavy metals. The two types of microparticles investigated fall into distinct size ranges, approximately 70 microns for PE particles and around 5 microns for PU particles. Both samples showed a spherical morphology and an evident surface micro-roughness. The elemental and thermal analysis did not show the presence of any significant metal impurities. The zeta-potential measurements as a function of pH provided insights into the dispersion behavior of microplastics (MPs) in freshwaters, suitable for the growth of Zebrafish (Egg water) and Daphnia magna (Elendt M7 Water). Both materials showed in bidistilled water negative zeta potential (ZP) at natural pH (ZP = − 51.0 ± 4.3 mV at pH = 6.6 and ZP = − 29.5 ± 1.4 mV at pH = 5.6 for LDPE and PU, respectively), justified by the presence of surface-active charged impurities. In saline media, ZP vs. pH curves were flatter, with ZP values near 0 mV, confirming the reduced colloidal stability from higher ionic strength and double-layer compression. Finally, we assessed the metal adsorption capacity to establish the role of microplastics in the transport of heavy metals in the environment. We observed selective adsorption for Cu<sup>2</sup>⁺ ions, which was both medium-dependent (more ions adsorbed in Elendt M7) and plastic-dependent, with PU showing a stronger affinity for Cu<sup>2</sup>⁺ in MilliQ and Egg water. On the contrary, both plastics showed similar adsorption capacity for Fe<sup>3</sup>⁺ ions across all media.</p></div>","PeriodicalId":546,"journal":{"name":"Environmental Sciences Europe","volume":"37 1","pages":""},"PeriodicalIF":6.0,"publicationDate":"2025-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1186/s12302-025-01061-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143362033","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploring the role of ICT adoption technologies and renewable energy consumption in achieving a sustainable environment in the United States: an SDGs-based policy framework
IF 6 3区 环境科学与生态学
Environmental Sciences Europe Pub Date : 2025-01-30 DOI: 10.1186/s12302-025-01059-z
Tomiwa Sunday Adebayo, Oktay Özkan, Dilber Uzun Ozsahin, Babatunde Sunday Eweade, Bright Akwasi Gyamfi
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