Articles tagged with Pollution
A breakthrough solution has been discovered to recycle blended fabrics like polyester/cotton using a simple technique involving heat, non-toxic solvent, and household ingredient. This environmentally friendly approach can recover cotton on a scale of hundreds of grams while preserving the plastic component.
A systematic review from George Washington University links lead exposure during childhood to increased risk of criminal behavior in adulthood. The study's findings highlight the need for policies to prevent future health and social problems from lead exposure.
A new study suggests that with careful management, road salt concentrations in US lakes may stabilize below EPA-set thresholds to protect aquatic life. Reducing road salt application rates could yield additional environmental and economic benefits without threatening road safety.
Research predicts increased frequency and intensity of extreme El Niño events due to high atmospheric carbon dioxide, even after CO2 reduction. Simulations suggest potential climate regime shifts in affected regions, with some areas experiencing desertification while others face increased flooding.
A new AI approach has confirmed that the Maldivian government effectively enforced its ban on open trash burning and single-use plastics, eliminating toxic smoke plumes from satellite imagery. The tool, trained using transfer learning and image segmentation, achieved 88% accuracy in identifying plumes.
A new study reveals that nearly half of traded hazardous chemicals are imported without consent, posing a significant threat to human health and the environment. The report highlights the need for strengthened national and international action to address global trade of highly hazardous chemicals.
A study investigates the impact of industrial sludge on zebrafish development, revealing concentration-dependent mortality, decreased hatchability, and disrupted thyroid hormone levels. The findings highlight the need for biomonitoring endpoints to predict and assess PAH pollution in Bohai Bay.
Research reveals that 176 bird species globally incorporate man-made materials into their nests, providing potential benefits such as structural support and insulation. However, these materials can also harm birds through entanglement, ingestion, or attracting predators.
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.
Researchers analyzed scientific literature from 1990 to 2021 and found that environmental pollution through chemicals is less studied than other causes of global biodiversity loss. The team calls for a stronger interdisciplinary focus to better understand and mitigate chemical impacts on biodiversity.
Researchers found that combining vermiculite with submerged plants reduces phosphorus levels and improves sediment oxygen circulation. The study also showed increased beneficial microorganisms and enhanced sediment permeability.
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.
The team's innovative design uses bank-tube-inspired modules to capture CO2 with sufficient purity for underground sequestration. By eliminating steam-based heating and using ambient wind flow, the system boosts efficiency and reduces upfront costs.
Researchers at Pusan National University have developed a new adsorbent that utilizes problematic protons in acidic wastewater to enhance the removal of radioactive cesium ions. The adsorbent, potassium calcium thiostannate, shows improved capacity under strongly acidic conditions.
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 team of researchers from China and the UK has developed new ways to optimise the production of solar fuels by creating novel photocatalysts. These photocatalysts, such as titanium dioxide with boron nitride, can absorb more wavelengths of light and produce more hydrogen compared to traditional methods.
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 UC Riverside-led study reveals the Salton Sea environment is toxic, causing sulfuric smells, dust storms, chemicals, and fires that contribute to chronic health conditions like asthma and respiratory illnesses. The study's findings have important public health implications for vulnerable child populations.
Researchers at NC State University have developed a novel method for creating CO2 capture filters using 3D printing. The filters, made from a hydrogel material infused with the enzyme carbonic anhydrase, captured 24% of CO2 in a gas mixture and retained 52% of its performance after over 1,000 hours. This technology has potential applic...
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 developed a new hydrogel material with a Janus structure, combining ultra-lightweight and super-hydrophobic properties for efficient solar desalination. The material exhibits enhanced salt resistance and high mechanical strength.
Researchers found an increased risk of death due to respiratory disease five to seven days after exposure to ultrafine particles. The risk was highest for smaller particle sizes, with a 4.46% increase in mortality for each 3,223 particles per cubic centimeter concentration.
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.
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 Chinese Medical Journal review highlights the health hazards of air pollution, particularly from fine particulate matter (PM2.5), which is associated with increased risks of cardiovascular disease, hospitalization, and respiratory mortality. The study suggests that reducing PM2.5 levels through government interventions and individual...
A new study suggests that increased exposure to air pollution may be associated with first hospital admissions for acute kidney injury. The research found a link between PM2.5, NO2, and O3 exposure and an increased risk of AKI, even at low annual exposures.
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 new study reveals an association between poor air quality in India and impaired cognition in infants under two. The study found that air quality was poorer in homes that used solid cooking materials like cow dung cake, and that reducing cooking emissions could have benefits to infants' emerging cognitive abilities.
A recent study by the University of Surrey found that group cyclists can reduce their exposure to vehicle pollutants by spreading out, especially in busier roads. The research highlights the importance of considering wind movement and positioning within a group to minimize exposure.
A new detection technique reveals that megafires emit significantly more methane than previously thought, posing challenges to California's climate goals. Researchers used remote sensing to measure methane emissions from wildfires, finding nearly 20 gigagrams of methane emitted by a single fire.
A research group has successfully developed an adsorbent material that can selectively recover rare earth elements from hot spring water, a process expected to contribute to a metal resource-circulating society. The method uses environmentally friendly and inexpensive materials, such as baker's yeast and trimetaphosphate.
The latest issue of PLOS Biology features a special collection on biology-based solutions to reduce plastic pollution, carbon dioxide emissions, and produce food or energy more sustainably. Insect enzymes may degrade plastic waste, while photosynthetic algae can capture CO2 produced by industrial applications.
A novel copper-containing polymeric filter can effectively capture carbon dioxide from the air, converting it into sodium bicarbonate that can be released harmlessly into the ocean. The technology has garnered international attention and could be powered by renewable energy in the future.
A study led by University of Houston researchers found that the Texas Gulf Coast is polluted with high concentrations of sulfate, a major component of particulate matter. The pollution originates from anthropogenic shipping emissions and chemical processing, making it particularly hazardous to human health.
A new study by University of Toronto researchers found high levels of toxic PFAS chemicals in Canadian fast-food packaging, contaminating the food people eat. The study suggests that PFAS can enter the environment through waste streams and never break down, posing significant health risks.
A team of researchers has created a two-stage device that uses acoustic forces to aggregate and remove microplastics from water samples. The device, made with steel tubes and pulsing sound waves, can remove over 70% of small plastics and 82% of large ones, making it a promising solution for removing microplastics from waterways.
A new study published in Environment International reveals that vehicle exhaust filters have limited impact on reducing ultrafine particles, which are a major contributor to air pollution. The research shows that current filters are not effective at removing smaller liquid particles, highlighting the need for alternative measures to re...
A new study found that stronger air pollution rules would lower premature death risks for all Americans, but particularly those from marginalized communities. Lowering PM2.5 levels to 8 μg/m3 could reduce mortality rates by 4% for White higher-income adults and up to 7% for Black higher-income and low-income adults.
A new study found that droughts and heatwaves exacerbate air pollution inequalities in California, particularly for communities of color. Financial penalties for power plants can significantly reduce people's exposure to pollution, except during severe heat waves.
A low-cost, open-source device called Flatburn can measure air pollution using 3D printing or inexpensive parts. Researchers have tested and calibrated it against existing state-of-the-art machines, making it suitable for community groups and individual citizens to track local air quality.
Researchers have developed a new type of bioplastic film that can be rolled into a straw without getting soggy. The bioplastic, made from natural materials like lignin and starch, is stronger than plastic and can break down when no longer needed.
Researchers found that toilet paper is a significant source of per- and polyfluoroalkyl substances (PFAS) in wastewater systems, particularly in North America. The study detected diPAPs, which can convert to more stable PFAS like perfluorooctanoic acid, in toilet paper rolls and sewage sludge samples.
A new study finds that rising temperatures will increase harmful plant emissions and dust, leading to a 14% boost in air pollution. The degradation in future air quality from natural sources is predicted to be significant, with two-thirds of the pollution coming from plants.
Researchers have developed a self-powered nanosensor that can detect small amounts of mercury ions by tapping it into a sample solution. The sensor uses the triboelectric effect to generate electricity and signal the presence of mercury ions in real-time.
Researchers from Drexel University found that microbes help break down biodegradable materials and release per- and polyfluoroalkyl substances (PFAS) into the environment. PFAS have been linked to serious health problems and accumulate in soil, crops, and groundwater.
A new study published in the British Journal of Criminology found that the number of stoves exempt from UK smoke control regulations has increased ten-fold since 2010. The Deregulation Act 2015 removed obstacles to manufacturers certifying their appliances as 'exempt', contributing to nationwide air pollution problems.
Researchers estimate that UK laundry releases between 6,860 and 17,847 tonnes of microfibers every year, equivalent to around 600 to 1,500 double-decker buses. Fabric characteristics have a greater impact on microfiber release than washing conditions.
A £5.4 million project, backed by Innovate UK, aims to develop a new value chain to convert industrial waste gases into sustainable materials for consumer products. The consortium, including Unilever and BASF, will seek to demonstrate how the UK can cut 15-20 million tonnes of carbon dioxide emissions per year.
A study by MIT researchers found that chess players perform worse and make more errors when exposed to high levels of fine particulate matter in the air. The probability of error increases by 2.1 percentage points, while the magnitude of those errors rises by 10.8%. Cleaner air leads to clearer heads and sharper thinking.
A recent study found that homes near electric vehicle charging stations (EVCSs) in California see a significant increase in value, with those within 0.4-0.5 km of EVCSs valued up to 5.8% higher. The study also showed reduced air pollution and increased traffic, but no effect on property values within closer proximity.
A UC Riverside study found that fathers exposed to chemicals in plastics can affect the metabolic health of their offspring for two generations. Paternal DCHP exposure led to high insulin resistance and impaired insulin signaling in F1 offspring, while F2 offspring showed weaker effects.
Researchers have developed a new additive that can break down PFAS at ambient temperature and pressure using a ball milling process. The new method uses boron nitride as a non-corrosive additive, which breaks down 80% of known PFAS in soils contaminated with firefighting foam.
A new study analyzed state nutrient reduction strategies and found that initial energy and inclusive planning processes were key to success. Emphasizing local water body impacts was more motivating than distant goals, and addressing scale challenges is crucial for significant results.
Researchers at Goethe University Frankfurt have found that jet engine lubrication oils are a significant source of ultrafine particles. These tiny particles can penetrate deep into the lungs and trigger inflammatory reactions, potentially contributing to cardiovascular diseases.
The Inflation Reduction Act offers significant benefits for public health through its tax credits and financial incentives. The law aims to reduce the adverse health effects of climate change by targeting greenhouse gases, conventional air pollutants, and carcinogenic chemical contaminants. By providing a more politically feasible appr...
Researchers propose alternative fertilizer production methods to reduce greenhouse gas emissions, but emphasize the need for careful environmental assessment. The global food supply depends on synthetic nitrogen fertilizers, which require significant energy and lead to carbon pollution.
A government policy that pushed back the sowing of rice in northwest India led to a delay in harvests and agricultural burning, exacerbating air pollution. Without this delay, cities like New Delhi would have seen an average of 11-21% less smoke-related air pollution between 2008 and 2019.
Researchers at the University of Cambridge discovered that the London Underground is contaminated with ultrafine metallic particles, including maghemite, which can be inhaled and enter the bloodstream. The particles are so small that they evade traditional air pollution monitoring methods, posing a significant risk to public health.
Researchers at the University of California, Riverside, have created a novel method to break down per- and polyfluoroalkyl substances (PFAS), also known as 'forever chemicals', in contaminated water. The hydrogen-infusion and UV light-based process achieves high molecular destruction rates without generating unwanted byproducts.
A new MIT study suggests that prioritizing polluting power plants in times of wind energy generation could quadruple the health benefits associated with wind power, resulting in $8.4 billion in nationwide health benefits. However, this approach would not address existing disparities in air pollution exposure among low-income and minori...