Articles tagged with Pollution
Researchers propose a mandatory measurement and reporting component for the UN's plastics treaty to track plastic production, use, disposal, and pollution. The system would standardize labeling, measurement practices, and repository establishment, enabling countries to report detailed data on plastics from cradle to grave.
Researchers have developed a custom liquid chromatography–isotope ratio mass spectrometry device capable of high-temperature, high-pressure combustion to analyze halogenated compounds. The method provides a new tool for source identification and fate analysis, contributing to effective management strategies.
Pharmaceutical contamination in soil and air has severe ecological impacts, affecting animal, plant, and microbial communities. The review highlights the need for interdisciplinary research to understand the dynamics of pharmaceuticals in soil and their long-term implications for ecosystem health.
Researchers found lead levels were 7 times higher near airports compared to other areas of Portland, with aviation fuel as the dominant source. The study highlights the need for soil testing to address lead exposure risks for children.
A new study from the University of East Anglia found that people who swim in rivers and lakes are more than twice as likely to develop skin problems. Higher levels of bacteria linked to faecal pollution are also associated with an increased risk of stomach bugs. The study, which analyzed data from 2,368 volunteers, found that swimmers ...
Microplastics have been found throughout a protected Florida wetland, with concentrations highest along waterways. The study reveals that water movement plays a crucial role in transporting and concentrating microplastics within the ecosystem.
Researchers in Germany have developed a thermographic screening approach to identify short peptide sequences that respond to carbon dioxide. The study combines combinatorial solid-phase peptide synthesis with infrared thermography, identifying two tripeptides that show reproducible thermographic responses when exposed to CO2.
A new study finds that rain falling through wildfire smoke can deliver unusually large bursts of nitrogen, phosphorus, and potassium to ecosystems in the United States. The nutrient pulses could become an increasingly important ecological consequence of fire as wildfires become more frequent.
Researchers found that natural gas drilling can lead to elevated radium content in local drinking water due to increased salt levels. This can pose serious health risks, including an increased risk of cancer. The study used private water wells and springs to collect samples and found a connection between drilling operations and radium ...
Researchers found that exposure to PM2.5 worsens periodontal disease by exacerbating inflammation and intensifying alveolar bone loss. The oral mucosa also shows significant changes, including thickening of the tissue lining the tongue and increased keratin deposition.
Researchers found that certain tree species, such as weeping willow and Chinese white poplar, emit high levels of isoprene, a key contributor to ozone formation. By selecting low-emitting tree species, cities can reduce isoprene emissions and mitigate ozone formation, particularly during heatwaves.
After wildfires near the California Coast, human and animal fecal bacteria from urban and wildland areas have been found in coastal waters. This has been confirmed through a twenty-year investigation, highlighting the impact of wildfires on coastal ecosystems.
A new study estimates that decommissioning subsea oil and gas pipelines could release 4.5 to 500 tonnes of microplastics into the North Sea each year. The research highlights the potential environmental risks of legacy plastics and recommends integrating environmental consequences into decommissioning decision-making.
A scoping review found that wildfires in regions with mining, agricultural, or urbanized areas often lead to arsenic contamination in drinking water. The study highlights the need for monitoring and mitigation strategies to protect water resources.
A study found anticoagulant rat poisons in 78% of tested caracals, highlighting a hidden problem for the city's wildlife. Researchers call for tighter control over the sale, distribution, and use of these poisons, which can accumulate in animals' bodies and harm non-target predators.
A landmark study of over 3,400 children found that London's Ultra Low Emission Zone improved lung growth and health, with lung capacity increasing by 10ml per year. The study suggests that clean air zones can benefit child development and should be considered a priority for cities globally.
Researchers found a significant association between declining air pollution and improved cognitive development in children. The study, published in Environmental Health, analyzed data from over 1,000 mother-child pairs and found a 26% increase in cognitive scores at age 3 with reduced air pollution concentrations.
North Americans breathed unhealthy air for nearly 106 million person-days as Ontario wildfires exposed people on both sides of the border. Canada's slow fire season intensified within weeks, with Toronto recording the poorest air quality in the world.
Researchers found microplastics in Gulf of Mexico oysters, leading to biochemical stress and physiological damage. The study identified histochemical alteration, protein nitration, and antioxidant expression as early warning indicators for microplastic contamination.
Climate change is altering the distribution of cropland nitrogen pollution in China, with emerging hotspots shifting from the south to the north. Nitrogen accumulation in soils and increased rainfall are key drivers of this shift.
A recent study by researchers at Nagoya University found that low-frequency noise below 100 Hz can cause blood vessel damage to kidneys in mice. The study suggests that the frequency of noise matters more than its loudness, with high-frequency noise having no effect on kidney function.
Researchers at Florida Atlantic University are developing a sustainable, AI-guided system to remove excess phosphorus from freshwater systems, preventing harmful algal blooms. The technology combines durable 3D-printed structures with AI-powered monitoring and optimization.
A new study from Pusan National University reveals that climate-driven changes in vegetation can significantly impact ozone and aerosol pollution in East Asia. The researchers used satellite observations to update vegetation data, finding substantial changes in biogenic emissions and air quality, particularly in suburban areas.
Scientists at North Carolina State University have created a highly-porous, superadhesive mesh that can capture both large and small microplastic particles, including those as small as tens of nanometers. The mesh is made from sustainable biopolymers and can clean microplastics from both saltwater and freshwater.
A new white paper highlights the risks of microplastics in supply chains and environments, with primary and secondary microplastics found in various products. Businesses are urged to take proactive measures to manage their microplastic exposure, including monitoring, circular business models, and recycled-content products.
Researchers have identified Ruppia maritima as a resilient native seagrass species that can help restore degraded estuarine habitats. The species has a distinctive annual life cycle and a persistent seed bank, allowing it to persist through disturbance and regenerate when conditions improve.
Researchers found that polyethylene microplastics modify as they age in soil, but these changes have little effect on how they interact with various organic contaminants. The study suggests the soil itself, not the plastic, remains the main factor influencing the environmental fate of these chemicals.
Researchers have identified a hardy sea sponge that can thrive in polluted harbor habitats, demonstrating an exceptional ability to adapt and even reproduce asexually. The chicken kidney sponge showed outstanding resilience and was found to be particularly effective at filtering pollutants and recycling nutrients.
A study analyzing Chinese and global soil metagenomes found substantial declines in antimicrobial resistance genes after China implemented its AMR control plan. The research suggests a close association between soil resistomes and antimicrobial use patterns across human and animal sectors.
A new review by the University of East London found no direct evidence showing whether domestic gardens reduce pollution levels or improve household air quality. Despite covering vast areas of Britain's towns and cities, researchers discovered a huge gap in understanding the role of domestic gardens on air quality.
A new study recommends reducing and reusing nappies, developing recycling technologies, and creating compostable products to tackle the plastic waste crisis. The research team identifies three system interventions that can radically reduce the environmental impact of absorbent hygiene products.
Local policies in China's 'Livestock-Free Zones' successfully reduced local carbon emissions, but this achievement was overshadowed by a significantly larger 'policy leakage' effect. A study found that for every unit of carbon reduced locally, approximately 3.14 units of carbon emissions were displaced to neighboring regions.
Exposure to even moderate levels of multiple air pollutants during critical stages of pregnancy may increase the risk of preterm birth. The study found that a mixture of ozone and fine particulate matter posed the strongest relationship to early preterm birth.
Researchers at Lancaster University have discovered nanoplastics in remote soils of Antarctica, raising concerns about plastic pollution's global reach. The finding highlights the urgent need for reduced plastic emissions and improved waste management practices.
A global analysis reveals that microplastic pollution peaks during fish spawning seasons, putting reproductive individuals at heightened risk. The study highlights the need for targeted ocean management and conservation plans that consider reproductive-period exposure to protect threatened species.
A greenhouse study suggests that converting rice straw into biochar could provide greater environmental and food safety benefits than directly incorporating untreated straw. Biochar treatment reduced copper and lead accumulation, improved soil properties, and produced high grain biomass, while avoiding air pollution from open burning.
A recent study found that human activities are fundamentally altering the chemical makeup of local coral reefs, leading to decreased coral health and resilience. The research team discovered that 25 contaminants from agricultural, industrial, and pharmaceutical sources accumulated in the soft tissues of coral around Maui, Hawai‘i.
A multidisciplinary study assesses the Guadalquivir River's water quality along its entire course, combining physicochemical and biological parameters. The results show a gradual decline in quality, with specific sections identified as deteriorated, highlighting the importance of integrated analysis for risk assessment.
Researchers at MIT have developed a microscopic pixel-based tunable lens that controls incoming infrared light for more precise thermal imaging, chemical sensing, or pollution monitoring. The system enables compact, dynamic infrared cameras with potential applications in environmental protection, space research, and military technology.
Patients who suffered a serious heart attack had higher levels of micro and nanoplastics in their blood compared to those with chronic ischemic heart disease and normal coronary arteries. The study also revealed that people exposed to higher levels of air pollution and smokers had higher levels of microplastics in their blood.
Researchers developed a rapid biosensor for detecting polystyrene nanoparticles, enabling direct detection without labeling or extensive sample preparation. The device can detect particles as small as 50 nm in fresh water and has a low detection limit of 1.3 μg/mL.
Researchers at Flinders University discovered that phage virus 'bioaugmentation' can enhance microbial function in polluted soils, allowing for faster degradation of pollutants. The method has potential for restoring polluted environments and promoting microbial resilience.
Researchers found ultrafine particulate matter from cruise ships increases inflammatory signals and weakens cells' defense against viruses like COVID-19. The study suggests exposure to vanadium may facilitate viral replication, with potential implications for infection severity and spread.
A new book reveals Iran's government failure to address devastating environmental catastrophes, while persecuting campaigners trying to raise awareness. The country's rulers have failed to provide a comprehensive plan, despite the concerning state of its natural environment, leading to issues like water scarcity and deforestation.
A systematic review and meta-analysis found two air pollutants associated with an increased risk of Parkinson's disease. The study suggests that long-term exposure to fine particulate matter (PM2.5) may interact with genetic susceptibility, leading to oxidative stress and neuroinflammation.
Scientists used clues from label data, chemical analysis of tiny shells, and ocean current simulations to trace the voyage of a plastic bottle cap. The study found 307 organisms, including a polychaete worm not found in Japanese waters before, highlighting the potential for micro-ecosystems to be transported over extended periods.
Research found bumblebees accumulate higher levels of toxic metals in bodies and pollen, affecting foraging efficiency, navigation, and reproductive success. The study highlights the vulnerability of bumblebees to metal pollution, even in relatively safe areas.
Researchers at Hiroshima University discovered a crab trapped in a plastic bottle off Okinawa, Japan, which survived for two months by feeding on juvenile fishes and algae inside the bottle. The study highlights the dangers of marine plastic pollution on small marine animals.
A Korea University study reveals that reusable beverage systems can deliver significant environmental benefits when paired with efficient washing technologies. The research finds that automatic tumbler washers can maximize sustainability, while manually washed tumblers have the highest impacts among reusable options.
Researchers found evidence of early ozone loss dating back to the late 1950s, linked to carbon tetrachloride use, in contrast to CFCs' later role. This discovery reveals that modern monitoring tools could have detected earlier signs of human-induced depletion.
A new study by Osaka Metropolitan University found that levoglucosan, a chemical formed from biomass combustion, loses up to 88% of its mass in the atmosphere due to degradation and volatilization. This suggests that conventional analyses may misidentify emission sources, particularly in tropical areas.
Colorado State University researchers propose strategies to immobilize toxic metals and prevent plant uptake in rice grains, protecting food security and public health. The approach aims to reduce arsenic, cadmium, and mercury contamination in rice paddies using nanomaterials and chemical reactions.
A new study has identified biological pathways that explain why air pollution affects some people with asthma more than others. Researchers found that individuals with specific genetic variants are more susceptible to the harmful effects of fine particulate matter, and that targeted interventions may be able to blunt these effects.
Researchers analyzed cloud and rainwater samples collected over 19 summers at Mount Washington, revealing that rainfall history impacts air pollution as much as wind direction. The study provides a valuable tool for meteorologists to improve predictions over complex terrains, with implications for waterways fed from the mountains.
A recent study found that maternal exposure to the Deepwater Horizon oil spill was associated with worse children's mental health outcomes, mediated by financial and social resource loss. The study highlights the indirect negative impact of disasters on families' wellbeing.
A study found that polystyrene nanoplastics and triphenyl phosphate exposure can trigger gut inflammation and disrupt lipid metabolism in salamanders. The combined effects of these pollutants on the gut-liver axis were also investigated, revealing potential for hidden toxicity and non-additive interactions.
Urban parks are found to have a significant impact on mitigating heat, air and noise pollution in cities, extending far beyond their boundaries. Parks with tree cover and grassland areas improve thermal comfort and reduce Physiologically Equivalent Temperature by up to 8.5°C.
A new study published in Biochar reports a promising approach to address food safety and climate challenges at the same time. A titanium dioxide-loaded biochar material reduces arsenic mobilization and methane emissions in flooded paddy soil, offering a two-in-one strategy for safer rice and lower greenhouse gas emissions.
The Earth's energy imbalance has grown to a record high, driving rapid global warming and its projected increase to 1.5°C in four years. Global greenhouse gas emissions have reached an all-time high, contributing to the acceleration of climate change.
Natural waters slow down nature's cleanup process by shielding plastics from sunlight and microbes, according to a new study. The chemical makeup of natural waters, especially combinations of salt and organic matter, significantly delays the breakdown of polystyrene plastic.