Articles tagged with Water Pollution
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Scientists at Chalmers University of Technology have created a new method for removing mercury from concentrated sulphuric acid, reducing levels by more than 90%. This innovation could lead to reduced mercury emissions and the production of high-purity, non-toxic products in industries such as mining and metal refining.
The WVU Pollution Prevention Program provides customized source reduction solutions, training, and digital technologies to minimize waste. The program aims to help businesses achieve carbon neutrality through data-driven modeling and AI-powered adjustments.
Researchers estimate that gray whales off the Oregon Coast consume millions of microparticles per day, primarily from zooplankton and fish. The study suggests that these high loads of microfibers may be affecting the health and behavior of the whales, with potential consequences for their populations.
Researchers at Duke University have discovered a way to make rubbery materials up to nine times more durable without compromising their elasticity. This breakthrough could help reduce microplastic pollution from car tires, with estimates suggesting that tire wear alone releases millions of metric tons of debris into the environment eac...
A specially designed garden, rain garden, can capture toxic tire chemicals associated with tires entering waterways by more than 90%. Researchers tested a Vancouver rain garden and found that it captured about 75% of the chemical, preventing it from entering salmon-bearing streams.
Inadequate household water can cause a range of adverse effects on children's health, including the spread of disease, interruptions to growth and development, and school absenteeism. This highlights the need for inclusive policies addressing water poverty and its impact on child well-being.
Researchers have identified a phenomenon that could help coral reef managers plan and act for the future. Ocean processes during El Niño strengthened the North Equatorial Counter Current, driving cooler plankton-rich waters to Palmyra's coral reefs and enabling them to better manage heat stress.
A novel technique allows for the observation of colloidal particle degradation in real-time, providing valuable insight into the mechanisms of micro- and nanoplastics origin and change over time. The study demonstrates the potential to assess temperature variations, ultraviolet light, and stress on nanoscale particles.
Researchers developed a model to predict microplastic concentrations in Swiss waters, finding that around half of the microplastics remain in the country. The Rhine river near Basel has the highest concentration of microplastics, with major cities contributing significantly to pollution.
A new study from Chalmers University of Technology reveals that the marine environment is at risk due to ship emissions, particularly from scrubber discharge water and antifouling paint. The cumulative environmental risk in ports was found to be five and thirteen times higher than acceptable limits.
A recent study found that microplastics and triphenyltin have a combined toxic effect on the gut-brain axis in common carp. The pollutants amplified toxicity when used together, causing changes in gut microbiome and immune system function.
A multidisciplinary team of scientists conducted a comprehensive study to understand the sources and sinks of plastic debris in the Southern North Sea. Local citizen scientists played a crucial role in tracking the distribution pathways of plastic particles, revealing that two-thirds were washed ashore within 25km of their release site.
A new study reveals that diverting streams and rivers for irrigation can significantly extend the time microplastics spend in river catchments. Researchers found a strong link between urbanisation and microplastic concentrations, with microplastic loads increasing downstream of more urbanised areas.
A new Dartmouth study projects a 52% increase in extreme precipitation events in the Northeast by the end of the century. The region is expected to experience more frequent heavy rainfall events, with winter and spring contributing most to this projected increase.
A team of researchers urges governments to manage plastic production, use, and recycling by categorizing plastics as persistent, bio-accumulative and toxic (PBT) pollutants. Plastics' long-lasting nature and accumulation in organisms pose significant environmental and health risks.
The study found that widgeongrass has expanded over 150% in the past few decades, outcompeting eelgrass in Chesapeake Bay. This shift has implications for conservation and management of seagrass ecosystems.
Researchers found both dryer types produce microfiber pollution, including water pollution from lint traps. Simple remedy is to clean lint filters and dispose of collected fibers as dry waste to reduce microfiber release.
A new study finds that popular compostable plastics like PLA don't biodegrade in marine environments, instead persisting unchanged. The research highlights the need for standardizing tests to see if materials promoted as compostable or biodegradable actually break down in natural environments.
A study by McGill University found that microplastic pollution alters the gut microbiomes of seabirds, increasing pathogens and antibiotic-resistant microbes. The research warns humans to be wary of microplastics in their environment and food, as they can also impact human health.
The global biogeochemical mercury cycle is closely tied to international trade routes, with emissions primarily linked to artisanal gold mining and smelting. Strategies to mitigate mercury exposure include production-side controls and consumption taxes to influence consumer behavior.
A new study links disproportionate siting of PFAS sources near watersheds serving communities with higher proportions of Black and Hispanic/Latino residents. The research suggests that regulating PFAS releases and ensuring safe drinking water is crucial in protecting public health, particularly in vulnerable communities.
Researchers develop a method to estimate the age of microplastics in the ocean, finding that nearshore microplastics range from 0 to 5 years old while offshore microplastics range from 1 to 3 years old. The study provides insights into how microplastics are generated and spread in the environment.
Researchers from the Institute of Physical Chemistry found that microplastics decrease bacteriophages' infectivity due to leachates and polymer size. The study highlights the impact of microplastics on aquatic ecosystems, affecting both animals and humans.
Acoustic artist Colin Malloy transforms ocean data into captivating percussion songs, raising awareness about the impact of oil production on oceans. His music aims to encourage listeners to reflect on the issues surrounding oceans, leveraging the power of art to digest information on an emotional level.
A new study from Harvard T.H. Chan School of Public Health estimates that regulations reducing lead and copper contamination in drinking water generate $9.2 billion in health benefits annually, exceeding the EPA's public estimates by an order of magnitude. The analysis also reveals at least $2 billion in infrastructure benefits, bringi...
A 24-year study of freshwater fish exposed to warm water pollution found changes in growth rates, death rates, and size. Despite expectations, the study revealed that warmer waters led to larger fish, contradicting general predictions of global warming's effects on natural ecosystems.
Researchers used computer modeling to simulate the movement of lightweight plastic particles in the Mediterranean Sea. Their results suggest that these particles can drift up to 175 miles laterally from their point of origin before sinking. This discovery highlights the potential for long-distance interactions between plastic waste and...
Researchers identify OmpU protein variants associated with antimicrobial resistance in Vibrio cholerae bacteria. Understanding the evolutionary origins of AMR can inform the development of effective therapeutics against resistant infections.
The City University of Hong Kong (CityU) has been approved to establish the first UNESCO Regional Training and Research Centre on coastal contaminant monitoring in Hong Kong, focusing on the Western Pacific region. The centre aims to strengthen marine pollution monitoring, promote innovative technologies, and facilitate international r...
A comprehensive study found that wild boar liver can be used as a bioindicator for PFAS contamination in the environment, detecting hot-spots in regions with elevated PFAS levels. The researchers discovered that PFAS concentrations are highest in areas where industrial activities and agricultural practices have led to contamination.
Researchers in China developed a method to increase the efficacy of membrane separation technology using nanofibrous membranes with silver nanoparticles. The technology is up to 99% effective at separating oil from water, promoting a stable hydration layer that impedes oil droplets and enhances antibacterial properties.
A study by Pohang University of Science & Technology (POSTECH) analyzed water pollution complaints in Alabama and found a significant decrease during the COVID-19 pandemic. The research team used AI methodologies to examine sentiment changes and correlations with climatic extremes.
Researchers have developed a jellyfish-like robot capable of collecting and transporting waste particles in the ocean without causing harm to marine species. The robot uses electrohydraulic actuators to swim and create currents, allowing it to trap objects along its path and transport them to the surface for recycling.
Researchers developed a suite of tools to assess economic benefits of improving urban stream water quality. The 'ecological production function framework' estimates use and non-use benefits, including increased property values and protected natural resources.
A new University of Illinois study suggests that widespread planting of cereal rye could significantly reduce nitrate levels in Illinois' tile drainage water. The research found that adopting winter cover crops, such as cereal rye, can help minimize nitrogen loss and improve water quality.
A new study reveals that beaver ponds with deeper sediments can store up to 15% of the nitrogen that enters them. This finding is crucial for understanding nitrogen pollution in rivers and streams, where beavers play a key role in shaping ecosystems.
A UH-led research team has developed a cost-effective method for removing harmful chemicals and heavy metals from coastal waters by utilizing native aquatic plants. The system, which includes floating aquatic plants and synthetic mats, can help restore ecological balance and keep communities healthy.
A new study finds that communities with high proportions of elderly residents and those living in mobile homes or group homes are at greater risk of groundwater contamination from fracking. Higher-income households were more likely to have access to mitigation strategies, while lower-income households faced greater risks.
Researchers at the University of Stirling found that microplastics can transport harmful bacteria from wastewater to beaches in Scotland. The study suggests that these bacteria can survive for up to 7 days on beach sand and show resistance to common antibiotics.
Researchers have developed a new class of materials that can efficiently remove glyphosate from groundwater. The new metal-organic frameworks (MOFs) have a large surface area and can be customized depending on the application.
Scientists have identified specific genetic variants in wheat and barley that enable plants to adapt to nitrogen deficiency by increasing root growth and improving nitrogen content. These findings offer promising opportunities for plant breeding to develop varieties with enhanced nitrogen use efficiency.
Researchers at Chalmers University of Technology have developed a cellulose-based material that can easily remove 80% of toxic dyes from wastewater using sunlight. The method is cost-effective, simple to set up, and could benefit countries with poor water treatment technologies.
A new study by the University of Exeter found that microplastic pollution reduces energy production in microscopic creatures like Paramecium bursaria. The microorganisms rely on algae for energy through photosynthesis, but severe contamination can lead to a 50% decline in net photosynthesis.
A new study from the University of Illinois finds that local enforcement of manure management regulations can effectively reduce nutrient concentrations in rivers and lakes. The study focuses on Wisconsin's unique approach, which allows counties to participate in enforcement without state approval.
The Minderoo-Monaco Commission on Plastics and Human Health issues a sweeping new report highlighting the far-reaching health hazards of plastics across their life cycle. The report examines the economic, health, environmental, and social costs associated with plastics from extraction to end states.
Researchers from China and Singapore study the radiative properties of polyamide-12, a common marine microplastic pollutant. They found that most of the incident radiation is scattered by PA12 particles, affecting ocean light transmission and marine ecology.
Researchers explore biotechnologies that use microbes to extract rare minerals and fuels from wastewater. This innovation has the potential to reduce greenhouse gas emissions by utilizing previously unused resources.
A widely used dry cleaning chemical, trichloroethylene (TCE), may be fueling the rise of Parkinson's disease. Exposure to TCE has been linked to an increased risk of developing the condition, particularly among individuals who worked with or lived near contaminated sites.
The Nile River Delta faces significant environmental threats from heavy metal pollution and coastal erosion, impacting 60 million people in Egypt. The study highlights the need for conservation measures to slow degradation and recover the ecosystem.
Experts call for a legally-binding treaty to govern Earth's orbit, citing the growing threat of satellite debris. With an expected 60,000 satellites in orbit by 2030, scientists warn that large parts of space could become unusable if action is not taken immediately.
A study reveals a rapid increase in ocean plastics since 2005, with an estimated 170 trillion plastic particles in the world's oceans by 2019. The researchers predict that without policy changes, plastic pollution will accelerate sixfold by 2040.
A model predicting oxygen levels in freshwater streams, developed by WVU researcher Omar Abdul-Aziz, helps determine stream pollution and health. The tool allows citizen scientists to take action on stream pollution, with potential applications for implementing the Clean Water Act.
New research confirms that coastal water pollution transfers to the atmosphere in sea spray aerosol, contaminating air for people inland. Bacteria and chemicals from sewage-polluted Tijuana River are detected in ocean aerosols.
Researchers propose a novel approach to analyzing microplastic particles, highlighting the importance of particle size and shape in determining environmental impact. Studies show that even samples with similar numbers of particles can have varying levels of plastic pollution based on mass, volume, and specific surface area.
Scientists discovered that 12 strains of cyanobacteria can passively collect rare earth elements from wastewater through a process called biosorption. This process has great potential for the circular recovery and reuse of rare earth metals in industries such as mining, electronics, and chemicals.
Researchers found a significant gap between when private wells were sampled and when they were likely to become contaminated, with higher levels of bacteria detected in summer months. The study has implications for national and global water sources, highlighting the need for more guidance on seasonal timing for testing.
Researchers at Princeton University have developed a new solar absorber gel technology that can filter pollutants from water, producing almost fourfold more filtration rate than its predecessor. The device can provide enough clean water to meet daily demand in many parts of the world.
Citizen science project in Arctic reveals 1/3 of plastic debris comes from Europe, with significant contributions from Germany. The findings underscore the urgent need for improved local waste management and reduced global plastic production to tackle pollution in remote ecosystems like the Arctic.
Researchers found that small, disconnected wetlands are twice as effective in catching pollutants like nitrogen and phosphorus. These isolated wetlands can protect lake or river ecosystems from pollution, improving water quality and biodiversity.
The study highlights technological innovations to accelerate green transformation of textiles, including sustainable materials, manufacturing technologies, and recycling methods. These developments aim to reduce greenhouse gas emissions and water consumption, minimizing environmental impacts.