Articles tagged with Water Pollution
The KAIST-Yonsei University research team has developed a novel, high-performance paper coating material made from biodegradable plastic that improves the sustainability of paper packaging. The coating material was tested for its biodegradability and found to achieve 59-82% biodegradation in marine environments.
Scientists at UC Riverside and Clarkson University developed a method to clean up PFAS pollutants in contaminated water using UV light, sulfite, and electrochemical oxidation. The process achieves near-complete destruction of PFAS compounds and can be used for firefighting equipment flushing and groundwater treatment.
Researchers have developed swarms of miniature robots that can capture both microplastics and bacteria from water, demonstrating a promising approach for ridding water of plastic and bacteria. The microrobotic system works by attracting particles with positively charged polymer strands, allowing the robots to decontaminate and reuse them.
A new study by Chalmers University of Technology finds that ship scrubber water discharges caused EUR 680 million in pollution costs between 2014 and 2022. The researchers also found that most shipping companies have already recouped their investments in scrubbers, making cheap heavy fuel oil a more lucrative option.
A new study by scientists affiliated with the Woods Hole Oceanographic Institution found that human activities account for a substantial amount of toxic thallium in the Baltic Sea. The research suggests that the amount of thallium could increase due to further anthropogenic or natural activities, posing a concern for marine life.
A new AI method developed by Swedish researchers can identify toxic substances based on their chemical structure, potentially replacing animal testing. The method has been shown to be more accurate and broadly applicable than existing computational tools, offering a promising alternative for environmental research and authorities.
Research found that oil spills in freshwater produce more chemical changes, creating compounds that can persist longer in the environment. The study simulated a freshwater oil spill and analyzed water samples using mass spectrometry, revealing higher concentrations of oxygen-loaded chemicals.
A new study shows that firms in the US respond differently to political parties in charge, even if policies don't change. Firms located in Republican-governed states spend more on water pollution control than those in Democratic states.
Researchers developed Au-BiFeO3 nanocrystals with improved photocatalytic activity, achieving 98% methylene blue degradation efficiency. The nanoparticles' unique localized surface plasmon resonance and electron transfer mechanisms enhance their recyclability and stability.
A group of 350 scientists from over 60 countries call for a legally binding global treaty to prohibit the production of hazardous plastics chemicals and adopt science-based approaches. They advocate for an independent scientific body with robust conflict of interest policy and regional representation.
Volunteers collected nearly nine tonnes of marine litter from beaches across the Seychelles between 2019 and 2023. The clean-ups, led by the University of Plymouth, demonstrate the potential of citizen science to address marine pollution challenges.
Researchers developed a framework to measure plastic pollution emissions, estimating Toronto emitted nearly 4,000 tonnes in one year. The approach will help identify major contributors and inform strategies to reduce emissions worldwide.
The new centers aim to better understand the interplay between environmental science, climate change, and human health in oceans and Great Lakes. Researchers will study microplastics, algal blooms, and their impact on seafood safety and human health.
High levels of plastic pollution can kill the embryos of a wide range of ocean animals, preventing healthy development in all seven tested species. This study highlights the
Researchers at IISc developed a novel hydrogel that can remove 95% of polyvinyl chloride and 93% of polypropylene microplastics from water. The hydrogel uses UV light irradiation and has a durable structure, making it suitable for repeated use.
A Dartmouth-led study found that people in New England, particularly those who frequently consume seafood, face an increased risk of PFAS exposure. The researchers recommend setting safety standards to limit seafood consumption and highlight the need for more stringent public health guidelines.
A new study reveals that retention ponds and wetlands can significantly reduce the amount of tyre particles entering aquatic environments, with an average reduction of 75%. The research found that tyre wear particles outweigh other forms of microplastics, but are also removed in greater quantities.
A study by Staffordshire University has pinpointed microplastic pollution 'hotspots' in Long Island Sound using a new scientific method. The technique identified two primary and two secondary hotspots, with potential similarities between areas of high shipping traffic and higher microplastic concentrations.
New study reveals high concentrations of small microplastics in surface water samples from the Southern Weddell Sea off Antarctica, surpassing previous studies. The research suggests ocean currents play a crucial role in pollution and highlights the need for further investigation into their impact.
Researchers at FAU's Harbor Branch Oceanographic Institute will survey Sargassum inundation sites using drones and remotely operated vehicles, then conduct aerial images and on-the-ground morphometrics. They aim to test the viability of harvesting Sargassum without harming marine animals.
A new UNSW-led international study reveals that much of the world's global source water contains PFAS levels above recommended drinking water guidelines. In Australia, firefighting foams used in military institutions and fire training facilities are a common source of contamination, with many locations exceeding safe limits.
A study by researchers at the University of Leeds found that changes to fibre composition and yarn spinning system significantly reduce microfibre release. Current product specifications do not include these details, making it challenging for brands to make informed choices about garment sustainability.
The study emphasizes the urgent need for a just and sustainable future, highlighting the interconnectedness of environmental degradation, climate change, and socio-economic inequality. The authors advocate for a global cultural shift that prioritizes kinship with nature and communal well-being to avoid devastating consequences.
A new water quality analysis technique can detect organic chemicals in rivers and lakes, identifying their source and predicting their impact. This method uses high-resolution mass spectrometry to analyze water samples within an hour, providing a comprehensive overview of all organic molecules present.
A study found open waste burning increases health risks to a remote Arctic community due to high levels of particulate matter (PM2.5) pollution. Continuous air quality monitoring is crucial for protecting public health, particularly in the Arctic region.
A study published in the Journal of the American Heart Association found that neighborhoods with more adversity have up to twice the increased risk of heart disease and stroke. The research highlights the complex interplay between social and environmental factors on health outcomes.
Researchers have developed a simple and sustainable method for monitoring and degrading a mixture of polycyclic aromatic hydrocarbons (PAHs) in water. The new approach uses excitation-emission matrix fluorescence spectroscopy and photochemical systems to achieve efficient degradation, outperforming traditional methods like chromatography.
A new study published in Nature Sustainability suggests that decommissioned offshore structures may only provide limited long-term ecological benefits. The research analyzed over 530 scientific studies on the effects of marine artificial structures and found no conclusive evidence to support their use as artificial reefs.
Researchers are developing nonmetallic quantum dots to identify and separate pollutants from water, including pesticides, surfactants, metal ions, antibiotics, and dyes. The dots can also be used to break down pollutants and help treat oil spills.
A recent study by UFZ and AWI researchers found significant accumulations of plastics in the North Pacific Ocean, extending far beyond the Great Pacific Garbage Patch. Microplastics were also discovered in a remote marine protected area northwest of Hawaii, challenging previous assumptions about their distribution.
Researchers at KTH Royal Institute of Technology report that global warming and plastic pollution are inextricably linked, with rising temperatures causing plastics to deteriorate more rapidly. This acceleration in plastic waste leads to increased greenhouse gas emissions, further exacerbating climate change.
The rapid assessment of the Kakhovka Dam breach has estimated that half a million hectares of protected habitats have been exposed to hazards, including nutrients and pollutants. The study will support international action to restore a biodiversity hotspot in southern Ukraine.
Scientists find that increased Asian aerosol emissions slow the AMOC's movements, reducing solar heating and cooling the Earth's climate. Reducing these emissions can help stabilize the AMOC, according to a study published in Nature Communications.
Researchers at Pohang University of Science & Technology created a novel catalyst that enhances the efficiency of reactions using contaminated municipal sewage to produce hydrogen. The catalyst, called nickel-iron-oxalate (O-NFF), successfully lowers the voltage required for hydrogen generation and promotes the urea oxidation reaction.
A study found over 40% of loggerhead sea turtles in the Mediterranean contained macroplastics, including a Halloween toy. Researchers say these turtles could be used as 'bioindicator' species to understand the impact of plastic pollution.
A study analyzing 610 chemicals found in European watercourses detected 504 substances, including pesticides, pharmaceuticals, and PFAS, with 74% of samples exceeding scientific limit values. The chemical footprint concept quantifies the impact of mixtures on aquatic organisms, highlighting the need for further monitoring and evaluation.
A new material has been developed that can degrade the widely used antibiotic levofloxacin, considered an emerging pollutant in aqueous environments. The material, comprising iridium dioxide and niobium oxide films on a titanium substrate, showed excellent photoelectrocatalytic activity and stability.
Researchers have discovered that produced water, often considered waste, contains nearly every element in the periodic table, including critical minerals like lithium and platinum group metals. A new approach using CO2 desalination can extract these valuable minerals, making it a lucrative means of offsetting reclamation costs.
Scientists at UKCEH developed a robust method to detect and measure toxic chemical 6PPD in river sediments, which has been linked to salmon and trout deaths. The method uses gas chromatography mass-spectrometry techniques to accurately quantify 6PPD concentrations.
Researchers found stable tuna mercury concentrations worldwide from 1971 to 2022, except for a slight increase in the northwestern Pacific Ocean. The team suggests upward mixing of 'legacy' mercury as a possible cause, which could take up to 25 years to influence oceanic levels.
A new study from Norway shows that only a third of fishing ropes can be recycled in a sustainable way. The researchers analyzed 15 types of rope and ranked them according to ease of recycling, highlighting the need for better waste management practices.
A new study by MIT researchers reveals that global deforestation is a previously overlooked driver of human-made mercury emissions, with the Amazon rainforest playing a crucial role in mitigating this issue. The study estimates that curbing Amazon deforestation could reduce mercury pollution by 30%, highlighting the need for worldwide ...
Researchers have discovered pollutants from burning fossil fuels in Mediterranean corals, providing a potential new tool to track pollution. The study found significant increases in pollutant particles between 1969 and 1992, aligning with Europe's industrialization and coal consumption.
A Chinese Medical Journal study examined the spatiotemporal features of disease burden due to air pollution across China between 2005 and 2017. The findings revealed a downward trend in premature mortality from fine particulate matter (PM2.5) and ozone (O3) pollution, but an increasing financial burden due to economic growth.
A study from Chalmers University of Technology found that the production and use of ammonia as a marine fuel can lead to eutrophication, acidification, and emissions of potent greenhouse gases. Researchers warn that the pursuit of low-carbon fuels may create new environmental challenges.
New research reveals how human activities affect the marine phosphorus cycle in coastal seas, leading to changes in coastal biodiversity and ecosystem services. The study identifies an 'Anthropogenic Nitrogen Pump' that reduces phosphate levels, limiting algae growth, and enhances the utilization of dissolved organic phosphorus.
Researchers found that bioplastic straws made from cellulose diacetate and polyhydroxyalkanoates can break down within 10-20 months, while those made from polypropylene and polylactic acid persist for years. Switching to foam materials significantly reduces their environmental lifetime.
Researchers found that permeable pavements can capture tire-associated chemicals, resulting in a 68% average reduction of the toxic contaminant 6PPD-quinone. The technology has vast potential to protect salmon populations and human health.
Researchers found rapid microplastic accumulation and contamination across prey organisms, with Galápagos penguins showing the highest level. The study highlights the urgent need to reduce plastic waste and protect vulnerable ecosystems.
A study in PLOS ONE suggests that Galápagos penguins may accumulate microplastics at a high rate within their food web, with the excretion rate playing a key role. The research uses modeling to simulate microplastic movement through the Galápagos penguin ecosystem and highlights the potential for biomagnification across trophic levels.
A new study reveals high concentrations of PFAS in micro-estuaries, posing significant risks to the environment and human health. The research emphasizes the need for targeted environmental management strategies to protect these critical ecosystems.
Researchers have created a prototype model that detects 'forever chemicals' in water using a luminescent metal complex attached to a sensor surface. The approach can detect 220 micrograms of PFAS per liter of water, but needs to be more sensitive to detect nanogram levels for drinking water.
A new database of marine microbes has been created, revealing insights into the ocean's diversity and its impact on climate change. The catalog provides unprecedented information on which microbes live where and what they do.
Research in ACS' Environmental Science & Technology Letters suggests that PFAS are transported in a feedback loop between the Arctic and North Atlantic Oceans. The study found that around 123 tons of PFAS entered the Arctic Ocean, while approximately 110 tons moved into the Atlantic Ocean in one year.
Shengqian Ma, Ph.D., receives the 2024 Edith and Peter O'Donnell Award in Physical Sciences for his groundbreaking research on nanoporous materials-based nanotraps. These nanotraps can effectively clean up environmental pollutants like oil, mercury, and nuclear waste.
A new snail species, Xenassiminea nana, native to Japan's temperate zones, has been officially named following a comprehensive examination of its anatomical characters. The study highlights the species' unique traits, including its small size and distinct shell shape.
Machine learning algorithms revealed that MP size, shape, and dosage significantly alter soil properties. The study provides essential data for informed decision-making on plastic waste management and corporate sustainability efforts.
A new study led by Dr. Tyler Frankel has identified cancer-causing contaminants in sediments and fish in a Chesapeake Bay tributary, highlighting the importance of considering exposure pathways in conservation strategies.
Brazilian researchers developed a 3D zinc oxide photocatalyst that efficiently degrades sertraline, an emerging pollutant contaminating groundwater. The material's high photocatalytic activity and stability make it suitable for wastewater treatment.
A study found polycyclic aromatic hydrocarbons (PAHs) in Southern Resident killer whales and Bigg's killer whales off the coast of B.C., with contaminants from oil spills and wildfire smoke. The presence of PAHs suggests recent exposures to toxic chemicals, emphasizing the need for improved pollution management.