Environmental Chemistry - Science topic

Numerous methods have been developed to address gaseous formaldehyde pollution, but most of them cannot be applied directly to eliminate the pollution of formaldehyde in aqueous solutions. Formaldehyde in aqueous solutions can be leached from formaldehyde‐containing solid materials (e. g., food, wood, clothes, resins) and absorbed from gaseous form...

Purpose Product lifetime is central to circular strategies that by lifetime extension could increase products’ environmental performance. In life cycle assessment (LCA), little attention has been paid to product lifetime modelling, although the environmental benefit of lifetime extension can vary greatly with lifetime values. Since product lifetime...

Ensuring universal access to safe drinking water remains a global challenge, especially in semi-arid regions facing water scarcity, pollution, inadequate infrastructure, and rapid urbanization. The present study aimed to assess drinking water quality by analysing antibiotic-resistant Escherichia coli (E. coli) and their spatial distribution, identi...

Urban heat island (UHI), where built areas are warmer compared to non-urban regions, increases human related diseases and mortality. A key challenge in UHI analysis is the designation of sites as urban or suburban/rural; however, the growing complexity of green spaces in urban areas and the predominance of the transportation sector in nonurban area...

The water budget in the Vietnamese Mekong Delta (VMD) depends heavily on rainfall which play crucial roles in supporting agriculture, aquaculture, and local livelihoods. This study evaluated rainfall trends across the VMD from 1978 to 2022, revealing significant spatial and seasonal variations. While a few inland stations showed marginal increases...

This is a review of public perception of air quality and awareness studies of the past 25 years (1999–2024). It shows general trends and characteristics which include: (1) An increase in studies worldwide and in Asia in particular, (2) the majority of citizens being unaware of official indexes, (3) the tendency to rely more on individual sensory pe...

This study is to investigate the degradation of clopidogrel using ZnO doped with europium under sunlight. This research targets the under-explored pharmaceutical pollutant clopidogrel, with europium doping significantly improving the photocatalytic efficiency of ZnO by reducing electron–hole recombination and enhancing light absorption. Europium-do...

Water solubility is a relevant physico-chemcial property in environmental chemistry, toxicology, and drug design. Although the water solubility is besides the octanol–water partition coefficient, melting point, and boiling point a property with a large amount of available experimental data, there are still more compounds in the chemical universe fo...

The apparel industry in Ghana has increasingly come under scrutiny for its environmental footprint, particularly in the wake of rising concerns about ecological degradation. This study critically examines the motivations behind unsustainable practices within the industry, exploring how economic, cultural, and structural factors contribute to enviro...

Fungicides, including carbendazim, are prevalent agricultural pesticides that contaminate surface waters, posing a threat to aquatic organisms like fish. The study addresses a critical knowledge gap regarding the mechanistic effects of carbendazim toxicity in fish, especially its influence on cold shock response, a major concern in aquaculture, par...

The potential for sediments in the Lake Urmia basin to sorb and retain dissolved inorganic phosphorus (P) is unknown. Land use has impacted Sediment P sorption capacity along several tributaries to Lake Urmia and its wetlands. The following hypotheses were tested: (1) upstream agricultural P sources are more significant than downstream locations, (...

Since aquaculture is playing an increasingly important role in food supply, ensuring the healthiness of aquatic environments is a fundamental issue. Anthropogenic activities are often a source of contamination for water and, among the pollutants released, potentially toxic elements (PTEs) represent a well‐known hazard to human health and ecosystem...

Particle emissions from vehicular traffic are one of the main sources of heavy metals in cities. During the COVID-19 pandemic, mobility was reduced, which created the opportunity to measure baseline heavy metal pollution in cities. Citizens took urban dust samples at 25 sites inside and outside their homes, with four repetitions; 159 urban dust sam...

Although thallium is a widespread and highly toxic element, it is rarely investigated in environmental chemistry due to its typically low concentrations in water. Consequently, little is known about the occurrence of thallium in groundwater and its origin. Here we show that high thallium concentrations of 5 up to 99 µg/l occur in Hesse exclusively...

Global pesticide use has increased significantly over the past decade, leading to greater exposure to contaminants and associated health risks. Endocrine-disrupting pesticides have gained attention due to their strong association with human reproductive impairments and rising global infertility rates. In Costa Rica, studies have reported reduced fe...

Agri -food residues represent an unutilised biomass that can be valorised into high-value compounds. Polyhydroxyalkanoates (PHAs) are one such product, offering a sustainable alternative to fossil-based plastics. PHAs containing hydroxyvalerate monomers (PHBV) are more flexible and less crystalline than pure PHB, making them suitable for a broader...

The widespread use of incense in indoor environments, particularly in cultural and religious practices, poses significant health risks due to particulate matter (PM) emissions. This study examines the chemical composition, particle morphology, and deposition dynamics of PM from four types of incense: Cup dhoop, Cone dhoop, Natural Incense Powder, a...

Persistent organic pollutants (POPs), including polychlorinated biphenyls (PCB), polychlorinated dibenzo-p-dioxins (PCDD), and polychlorinated dibenzofurans (PCDF), are a class of chemical compounds with high persistence that can accumulate in living organisms, mainly in fatty tissues. In addition, exposure to them can cause a wide variety of healt...

Salt affected soils significantly constrain crop production and soil productivity. Although salt accumulation in soil occurs naturally, human-induced factors such as poor agricultural practices, insufficient drainage systems, as well as inaccurate irrigation water management have accelerated the formation of salt affected soils. The increase in sal...

All vertebrates have a definitive thyroid gland, or thyroid for short. As a critical organ for growth, development and metabolism, its origin and evolution have long received attention. On the basis of anatomical position, endodermal origination and histological features, the endostyle of amphioxus has been proposed as a homologue to the thyroid of...

The exchange of inorganic nutrients at the coastal sediment-water interface (SWI) plays a crucial role in regulating the nutrient budget in overlying water. The related studies mainly focus on the mid-to high-latitude regions, leaving a significant gap in the quantitative assessment of nutrient exchange and environmental controls at the SWI in low-...

The present study aimed to optimize the synthesis of biochar using hydrothermal carbonization. Response surface methodology based on Box–Behnken design was utilized to optimize three experimental parameters, namely, the hydrothermal carbonization temperature, the reaction time, and the concentration of the chemical activator (H3PO4). To evaluate pr...

In 1999, a final waste storage site known as StocaMine was established at a depth of about 500 m within the former Alsace potash mines (France). The administrative abandonment procedure for this mine, which was initiated in 2010, provides for the permanent containment of the waste on site. The mining operator launched a large number of studies to a...

The current era of urbanization, globalization, and climate change is a challenge in urban planning and development in the future. There is still a lack of literature that offers various conceptual frameworks for stakeholders and city governance actors in dealing with urban threats. Therefore, this study aims to fill this research gap to encourage...

The rapidly increasing threats of bioaccumulation of persistent organic pollutants (POPs) in the marine environment have become a global concern. Benthic substratum of Gulf of Khambhat, India acts as a major sink for POPs from different sources which are readily uptaken and bioaccumulated in benthic invertebrates. Polychaetes are one of the abundan...

The rapid expansion of the floriculture industry has led to severe environmental challenges, particularly the discharge of heavy metal-contaminated wastewater. This study investigates the potential of biocarbon derived from Lantana camara leaves and seeds for the removal of toxic heavy metals including cadmium (Cd), lead (Pb), and zinc (Zn) from fl...

The CO2 adsorption characteristics of olive waste activated carbon (AC) treated with monoethanolamine (MEA) was investigated. The amine effect on the AC was characterized with SEM, FTIR, TGA and N2 adsorption–desorption. The results revealed that the amine group effect of the adsorbent enhanced the CO2 adsorption. The maximum amount of CO2 adsorpti...

This study investigates specimens of the Asian yellow-legged hornet ( Vespa velutina nigrithorax du Buysson, 1905) originating from the first colony detected in Hungary. Phylogenetic analysis based on the mitochondrial cytochrome oxidase c subunit 1 gene confirms their European origin and definitely identifies them as V. velutina . The detection in...

Peptide-based chemicals are promising for numerous applications including home and personal care and medical treatments. To better understand and control the environmental fate of peptide-based chemicals, in-depth knowledge on the specificity of wastewater peptidases is needed. Here, we employed multiplex substrate profiling by mass spectrometry to...

Microplastics cause alarming levels of pollution in the receiving water environment. Therefore, various advanced treatment processes are being investigated to prevent microplastics from entering the receiving water environment. In this study, microplastic (MP) treatment processes were evaluated in terms of efficiency, economy, sustainability, and a...

The present study was conducted to determine the extent of pollution of the Pasur River by HM, as well as the ecological and human health risks associated with the consumption of HM-contaminated fishes. For this purpose, the level of Pb, Cd, Cr, Cu, Ni, Mn, Zn and Co in water and Pb, Cd, Cr, Cu and Ni in sediment were evaluated. The mean concentrat...

Particulate matter (PM) is a widely used air pollution proxy indicator. Substantial supporting evidence links exposure to PM with adverse health effects. This study compares long-term accumulated particulate matter's chemical and morphological properties and possible sources from various locations in Bloemfontein, Kimberley, and the Vanderbijlpark...

Prosopis africana (Guill., Perrot., and Rich.) Taub. is a multipurpose species of significant socioeconomic value under threat in West Africa due to overexploitation and land-use changes. This study assesses the impact of climate change on the geographic distribution of this species within Togo climate zones. In predicting the distribution of P. af...

A groundwater quality assessment was conducted in the Bogoberi community of Calabar Municipality, Cross River State, Southeastern Nigeria, to evaluate the suitability of groundwater for drinking and other domestic purposes using different indices. A reconnaissance survey of five (5) borehole water samples were collected and analyzed using standard...

Purpose Life cycle assessment (LCA) emerged as a fact-based assessment tool and achieved broad acceptance. Climate change, decarbonization, and carbon neutrality boost the use of LCA-based assessments like carbon footprints. Whereas the LCA practice has been fairly consistent for decades, new and more “creative” approaches like avoided emission and...

Honored to contribute as a peer reviewer for scholarly research in my field. Reviewing manuscripts not only sharpens critical thinking but also allows me to support the scientific community by ensuring the integrity, quality, and impact of published work. Grateful to the editorial teams and publishers for recognizing my efforts. This acknowledgmen...

This study examines the environmental and economic implications of volume reduction techniques applied to beverage packaging waste within deposit return systems (DRSs). The research evaluates methods such as compression, crushing, and cutting, focusing on their Effectiveness in reducing the volume of plastic, glass, metal, and composite containers....

Tobacco Product Waste (TPW), which includes discarded cigarette butts, packaging materials, e-cigarette components, and other tobacco-related litter, is a growing environmental concern. TPW represents the most commonly littered waste item globally, yet its economic environmental impact is often underestimated. Discarded cigarette butts are not only...

The coronavirus disease COVID-19 is primarily transmitted through person-to-person contact, but meteorological conditions may influence its spread and severity. High levels of indoor ozone are known to inactivate the virus, yet the impact of low-level tropospheric ozone remains unclear. We thus hypothesized that tropospheric ozone, influenced by se...

Aerosols play a critical role in regional and global climate systems due to their influence on atmospheric processes and precipitation patterns. Understanding the complex interactions between aerosol optical depth (AOD), relative humidity, and precipitation is essential for improving climate and weather prediction models, particularly in regions li...

Public perception on pollution and associated risks are important to plan and implement environmental health management programmes. The study was carried out to understand the perception of the residents near an industrial cluster on air pollution and its health impacts through a questionnaire survey. The survey included 28 questions across three a...

Armed conflicts have been among the most common human activities across the world, and their effects on the environment have increased with the scale and technologies of warfare. However, little is known in depth about these effects, especially in land use and land cover (LULC) fragmentation and change intensity. Here we assess the impacts of an ar...

The desulphurisation of gasoline to the globally acceptable sulphur level is crucial for a cleaner environment. This study evaluated the adsorption performance of nanocellulose crystals, a novel adsorbent derived from renewable waste biomass, for desulphurising synthetic gasoline. The nanocellulose adsorbent was added to the synthetic gasoline and...

Kızılırmak, which is one of the most important rivers of the Southern Black Sea coast, discharged into the Black Sea by draining a very large basin extending to mid Anatolia. A turbid freshwater mass is transferred from the basin into the Black Sea as result of seasonally intense precipitation characteristics. In this study, the dynamics of turbid...

Computation of any numerical characteristic of a molecular graph results in understanding the properties of the respective chemical compound. A molecular graph is the graph of a chemical compound, in which atoms are presented in the form of vertices and the bonds between the atoms are the edges of the graph. These chemical graphs play a vital role...

The rising global temperatures due to climate change have a profound impact on global health. Heat is associated with many physical and mental health conditions. The impact of heat on health could be exacerbated in polluted areas due to the combined impact of pollutants and heat stress. Polycyclic aromatic hydrocarbons (PAHs) are among environmenta...

This study investigates the efficacy of certain biosorbents as a filtration method to reduce chlorination and its costs in wastewater treatment. A two-step filtering process was used, with each phase containing 200 mL of bacterially contaminated water that was passed through 100 g of biosorbents. Colony forming units were counted using routine plat...

Effectively managing and transforming organic waste into a valuable resource is critical for minimising environmental impact, conserving resources, and mitigating climate change. Anaerobic digestate of solid food waste has high ammonium (NH4+) concentration and discharging it into the environment after nitrification may cause eutrophication. This s...

Freshwater salinization is increasing globally through seawater intrusion, road de-icing, and changes in anthropogenic land uses. Concurrently, freshwaters are browning with the rise in dissolved organic carbon (DOC) concentrations, while water pH is falling. Elevations in external major ion concentrations (Na⁺ or Ca²⁺) and low pH, independently di...

This article indicates the best combustion condition of cattle manure to produce ash as fertilizer with high phosphorus and potassium content. The iso-curve response from combustion temperature (X1) and residence time (X2) reveals high phosphorus content within the following optimal area: cattle manure mass of 22.5 g, combustion temperature ranged...

Concentrated desalination brine resulting at the end of seawater desalination pose an environmental hazard due to its high mineral content. Effective treatment is crucial to mitigate its impact and enhance sustainability. An irradiated Micrococcus luteus bacterium was chosen for its tolerance to high salt concentration and was tested for mineral bi...

The growing environmental concerns associated with conventional textile manufacturing processes have intensified the search for eco-friendly biomaterials as sustainable alternatives. The environmental significance, characteristics, and applications of biomaterials in the manufacturing of sustainable textiles and apparel are analyzed in this review...

Global microplastic contamination of almost all biological and environmental media is an emerging threat to human health that recently fostered intense research. Here, we review polyethylene terephthalate with focus on microplastics, characteristics, uses, concentration, degradation, toxicity, and remediation. Plastic remediation can be done by lan...

The rapid advancement of global industrialization has significantly increased air pollution, particularly particulate matter (PM), black carbon (BC), and noise, impacting indoor air quality in urban areas and posing notable health risks. This study monitored total volatile organic compounds (TVOCs), noise, PM (PM10, PM2.5, PM1), and BC inside bottl...

Aquatic organisms can uptake metals directly from contaminated water or by consuming contaminated prey. Knowing the relative importance of these routes is critical to understand how metals enter and move through aquatic food webs. We previously established that nymphs of the aquatic dragonfly Erythemis simplicicollis accumulate elevated copper (Cu)...

This study explores the challenges and impact of rural electrification in Ghana, highlighting its critical role in sustainable development. Despite significant progress in improving access to electricity, rural areas continue to face disparities in energy availability, hindering socioeconomic growth. The research employs a mixed-methods approach, i...

Forests are crucial for climate change due to their significant capacity to act as carbon sinks. This study aimed to evaluate the carbon storage capacity of the Gantamie Natural Forest, which is in the Bure Zuria woreda in Northwestern Ethiopia. The study were employed systematic random sampling to collect field data across the study site. The main...

Oxocarboxylic acids are produced when oil is exposed to sunlight and are photo-dissolved in the aqueous phase in oil-water systems, impacting the fate, transport, and impact of spilled oil. However, temperature effects on these reactions are unknown, thus we investigate oxocarboxylic acid photoproduction from irradiated oil-water systems. Oil sampl...

Perchlorate (ClO 4 −), which is a powerful endocrine disruptor affecting iodine fixation in the thyroid gland in humans and in biota, is a pollutant of natural and anthropogenic origin. For this reason, this pollutant must be eliminated from the ecosystems. It has been found in extreme environments such as Antarctica. ClO 4 − reduction can be achie...

Traditional Chinese medicine has a rich history in the diagnosis and treatment of diseases, yet the disposal of medicine residues by incineration and landfilling is challenging. Here we review methods to recycle Chinese medicine residues with focus on challenges, recycling solutions, and case studies. Cases studies include extraction of bioactive c...

High-N addition accelerated soil acidification in tropical montane rainforests. Primary rainforest was more sensitive to soil acidification than secondary rainforest. Changes in exchangeable Ca2+ and H+ induced by N input regulated soil acidification. P50 or N50P50 addition did not change soil pH or cations in both rainforests. Tropical forest soil...

Pressure‐sensitive adhesives (PSAs) are polymers with tunable viscoelastic properties, primarily determined by the structural configuration of their polymer chains. In this study, we report the development of a CO2‐based poly(carbonate‐ether) for use in PSAs applications, synthesized via the copolymerization of CO2 and propylene oxide. The viscoela...

This study explores the role of cellulose paper composition—comprising holocellulose, hemicellulose, cellulose, and lignin—on the physical and chemical properties of eco‐friendly green roof tiles. The investigation focuses on key performance metrics including hardness, water absorption, flammability, thermal stability, and overall composition. By i...

Rabigh is one of the most promising areas in the southwestern province of Saudi Arabia. Future governmental developments and vigorous activities will take place in and around Rabigh. Pollution rates have recently increased significantly in Rabigh Governorate due to industrial development, landfills designated for hazardous industrial waste, and unq...

The adsorption of ReVII was estimated for polyethyleneimine (PEI), polyallylamine (PAA), and polyaminostyrene (PAST) possessing different Brønsted basicity. A high adsorption of ReVII (up to 97%) from the acetate buffer solution was observed in the pH range of 2.8–3.1 for PEI and PAST, and in the pH range of 2.8–5.2 for PAA. The kinetic data indica...

Developing a product that serves a dual purpose as an adsorbent/photocatalyst for ecological applications is a compelling study area. This article discusses a facile ultrafast synthesis of BiOCl/Bi 2 S 3 /biochar (BiOCl/Bi 2 S 3 /BC) by solid-state reaction with coupled roles as photocatalyst during sunlight exposure and adsorbent when there is no...

Artisanal and small-scale gold mining (ASGM) is the largest anthropogenic source of mercury globally. Few studies have explored how this toxicant affects avian wildlife in Indonesia, an ASGM hotspot. Here, we use feather samples from museum specimens (n = 92) of Indonesian birds to examine changes through time in methylmercury (MeHg), diet, and for...

Developing high‐performance Ir‐based catalysts for selective catalytic reduction of NOx by CO (CO‐SCR) under low temperatures remains challenging. This study presents an Ir‐based catalyst encapsulated in Zeolite Socony Mobil‐5 (Ir@ZSM‐5), with Ir species partially confined in micropores (Irδ+) and partially aggregated on the surface (Ir⁰), achievin...

Accumulation of allelochemicals in agricultural soils results in severe obstacles to continuous cropping and poses a notable challenge to global food security. The ginsenosides released into the rhizosphere soil as root secretion or during the degradation of plant residues exhibit autotoxic effects to plants and facilitate the proliferation of root...

The generation of reactive species and their derivatives, whether in the human body or in the food systems, contributes to various human diseases and compromises food quality. Unfortunately, both natural and synthetic antioxidants have specific limitations. Green chemistry-derived carbon dots offer a promising solution in this regard. Here we revie...

This paper examines the impacts of climate change and mobile pastoralism on land use and land cover in semi-arid Ghana. A mixed methods approach, involving a household questionnaire survey, focus group discussions and key informant interviews, was employed in collecting primary data from 387 smallholder farmers. Landsat images were used to analyze...

This study investigates the potential of microbial nicotine derivatives as eco-friendly alternatives to traditional pesticides. Using molecular docking, QMMM rescoring, and molecular dynamics simulations, we analyzed the binding affinities of 11 nicotine-derived compounds, including 6-hydroxynicotine and nicotine blue, to the acetylcholine-binding...

Biochar has increasingly attracted the attention of researchers owing to its excellent stabilization effect on heavy metals and resource recycling properties. To better describe the stabilization process of heavy metals under the action of biochar, this study combined literature data integration and soil culture experiments, constructed a conceptua...

Pollution of soils is one of the currently significant environmental concerns. Heavy metals that contaminate the soil can have harmful effects on crops, enter the food chain, and pose a threat to human health. Various approaches have been employed in the past to remediate heavy metal-contaminated soils for agricultural use, including the use of bio...

Rice paddies, a major anthropogenic source of atmospheric methane (CH4), currently face significant cadmium (Cd) pollution. China has a substantial storage of phosphogypsum intended to enhance arable soil fertility. However, little is known about the impact of phosphogypsum on synergic Cd pollution and CH4 emission in rice paddies. In this study, w...

Nitrous oxide (N 2 O) emissions from soil are an important contributor to global warming, particularly from intensively fertilized croplands. Biochar is commonly applied to reduce N 2 O emissions and raise soil fertility by regulating soil structure, microbial processes, and crop nitrogen use efficiency. However, the effects of biochar on N 2 O emi...

A comprehensive and in‐depth analysis of reaction mechanisms is essential for advancing chemical water treatment technologies. However, due to the limitations of conventional experimental and analytical methods, the types of reactive species and their generation pathways are commonly debatable in many aqueous systems. As highly sensitive diagnostic...

Aquatic macrophytes form an important component of freshwater systems and they perform a substantial role in the ecological and socioeconomic functioning of this habitat. There has been a rise in problems related to the presence of aquatic plants on water bodies, which includes reduction in access to freshwater extraction, reduction in the harvest...