Articles tagged with Pollution Control
Researchers found substantial amounts of pharmaceutical compounds in a stream in Baltimore, despite low concentrations over the course of a year. The high loads are likely coming from leaking sewer pipes, posing a significant threat to aquatic life and ecosystems.
A new study found that US-China trade tensions would lead to increased nitrogen and phosphorus pollution and irrigation water consumption in agriculture, affecting not only the two countries but also other nations through international trade.
Lauren Ross aims to better understand the mixing process in complex estuaries like the Penobscot River Estuary, which affects ecosystems and aquaculture. She will use on-site data and numerical model simulations to quantify the mixing processes.
Researchers from the University of Washington identified a strong link between fine particulate air pollution and an increased risk of dementia. A 1 microgram per cubic meter difference in PM2.5 pollution was associated with a 16% greater incidence of dementia, highlighting the potential neurodegenerative effects of air pollution.
A recent study by IIASA researchers found that higher income groups in India contribute more to ambient air pollution, resulting in higher mortality rates among lower income groups. The study suggests that policies targeting specific emission sources could help distribute the load more fairly.
Researchers will investigate how air pollutants in indoor spaces, such as homes and schools, affect children with asthma and people living in urban homes. A new platform will be developed to rank the toxicity of common air pollutants and establish links with neurological disease.
Michele Galizia, an assistant professor at the University of Oklahoma, has received a $543,641 NSF CAREER grant to develop new polymer membranes. His research focuses on improving the efficiency of industrial separations, crucial for reducing environmental pollution and energy costs.
Children exposed to air pollution may experience poor inhibitory control and academic skills in early adolescence, including spelling, reading comprehension, and math. Interventions targeting inhibitory control might improve outcomes.
The GEM Programme aims to establish a global monitoring network to collect and analyze seawater samples from urbanised estuaries worldwide. The project will identify pollution hotspots and priority contaminants, providing strategies for cleaner estuaries.
Research finds that exposure to metals in PM2.5 exacerbates cardiovascular autonomic dysfunction in COPD patients, leading to increased heart rates. The study provides valuable insights into the disease burden of COPD associated with air pollution in China.
Scientists study how human emissions impact SOA formation from volatile organic compounds produced by vegetation. Research suggests that anthropogenic pollutants can modify SOA formation potential, which has implications for climate change and air quality.
Research from Lancaster University Management School found that potentially polluting firms choose locations based on local income demographics, leading to higher toxic releases in poorer areas. Firms reduce pollutant releases and increase waste management spending in higher-income areas.
Fog-haze events over the North China Plain were caused by meteorological conditions, not emission reductions during the COVID-19 lockdown. The study found that higher temperatures and relative humidity accelerated secondary aerosol formation, while low wind speeds inhibited pollutant diffusion.
Computational air quality models have been adapted to better understand pollution challenges in Latin America, providing valuable insights for governments and authorities. The models can help identify the most cost-effective ways of achieving air quality improvements in cities like Bogotá.
A new study by Ohio State University researchers reveals that stricter environmental laws in one country can lead to increased pollution in other countries with lax regulations. This phenomenon, known as 'carbon leakage,' highlights the need for global cooperation on environmental policies.
A new study published in Diabetologia found that regular physical activity significantly reduces the risk of type 2 diabetes for people living in polluted regions. The research, conducted in Taiwan, investigated the combined effects of physical activity and air pollution on type 2 diabetes risk.
A University of Illinois study reveals racial discrimination in the home-renting process actively sorts minority renters into neighborhoods with higher levels of pollution. This leads to disparities in residential pollution exposures and contributes to health issues like respiratory illnesses and stress.
In a study published in Environmental Pollution, researchers found that strict emission controls contributed to a decline in black carbon loading in urban Beijing. The aerosols became 'slim', with smaller core sizes and less coatings, indicating reduced solar radiation absorption and improved air quality.
China's stringent air pollution control policies have led to a significant decrease in aerosol concentrations, but winter haze events still occur. A recent study found that the controls have resulted in a much stronger increase in surface solar radiation in eastern and central China.
A new report reveals widespread ocean pollution poses significant human health risks, affecting 3 billion people. The study recommends banning coal combustion and single-use plastics to mitigate these impacts.
A new study found that frequent peak air pollution exposure was associated with reduced math and English language arts test scores for third graders in Salt Lake County. Chronic exposure also had an impact on test scores, but the effect disappeared when controlling for social disadvantage factors.
A new study by Cornell University researchers found that improved air quality under the Clean Air Act saved nearly 20 percent of birdlife in the US, potentially averting 1.5 billion bird deaths over the past 40 years.
Dr. Mauro Vallati will receive a UKRI Future Leaders Fellowship to develop AI-driven frameworks for tackling traffic congestion and environmental issues in urban areas. The research aims to optimize traffic light settings, communicate with vehicles, and reduce pollution.
Researchers analyzed 12 voluntary REDD+ projects in the Brazilian Amazon and found that they overestimated reduction of deforestation and carbon emissions. Decreasing deforestation trends during early stages of REDD+ projects may explain why these projects resulted in less avoided deforestation than expected.
A new study reveals that oil and natural gas pipelines are major contributors to carbon emissions, with seven out of eight pipelines being foreign-owned. The study prioritizes climate lawsuits targeting these facilities, which could lead to increased insurance costs for fossil-fuel companies.
A new study by the University of Exeter and others found that surface clean-up devices will not solve the ocean plastic problem, but could be more effective when used with river barriers. The research estimates that floating plastic will peak at over 860,000 metric tonnes by 2052.
Researchers found that regular physical activity is a safe approach for people living in polluted regions to prevent high blood pressure. High blood pressure risk increased with higher levels of air pollution, but each increase in physical activity level led to a lower risk.
A new University of Minnesota study identifies livestock, wood stoves, farms, and residential buildings as significant contributors to deadly air pollution in the United States. The research highlights the need for targeted regulations to reduce emissions from these sources, which account for a substantial portion of PM2.5-related deaths.
The study reveals a significant drop in PM2.5 levels in China since 2011, while India is experiencing a plateau phase. The researchers' hybrid dataset shows that effective controls can be remarkably effective at reducing air pollution.
A study published in National Science Review found that COVID-19 lockdowns in China led to a sharp reduction in transportation emissions, but this was offset by an increase in secondary particle formation due to enhanced atmospheric oxidizing capacity. The study suggests that coordinated control of various primary emissions is necessar...
Ozone pollution in China's most populated and industrialized city clusters poses a great challenge due to diverse precursors. Long-term research is necessary to accurately determine main sources of ozone and inform effective control strategies.
A new study published in Environmental Research Letters reveals that a small percentage of industrial facilities are responsible for the majority of toxic pollution year after year. The researchers analyzed data from over 25,000 facilities across 322 manufacturing industries and found that only 1,116 can be characterized as 'super poll...
A device that simulates borehole ballooning has been developed to help prevent serious drilling accidents and irreversible damage. The device can accurately simulate conditions like fracture opening pressures, rock types, and mud circulation pressures, and its experimental results have validated theoretical research on the topic.
A global review highlights broad patterns of environmental pollution's impact on Indigenous groups, primarily through consumption of polluted water and food. Innovative strategies by Indigenous communities aim to limit and abate pollution.
Researchers found that higher tariffs had a small correlation with decreased invasive pest findings, but this impact was not sensitive enough to be a good tactic. Revoking duty-free status on fruits and vegetables is the only way to achieve measurable impact in pest reduction through tariffs.
Research reveals that livestock and poultry farming account for 78.08% of agricultural ammonia emissions in Jiangsu Province, with nitrogen fertilizer application contributing 21.92%. The study suggests focusing on controlling ammonia emissions from these sources to mitigate haze pollution.
A recent study found that reducing sulfur dioxide emissions alone can significantly decrease air pollution, mainly due to the stability of ammonium nitrate formed with nitrogen oxides and ammonia. In China, nitrogen dioxide control is more effective in reducing surface PM2.5 concentrations.
Motorboat noise affects clownfish behavior, leading to increased aggression, hiding, and reduced foraging. The study found that noise-exposed fish had elevated cortisol levels and reproductive hormones, which corresponded with observed behavioral changes.
Research shows that concentrations of nicotine and smoking-related volatile organic compounds spike when moviegoers enter a non-smoking theater, equivalent to up to 10 cigarettes of secondhand smoke. The study highlights the need for regulation and warns of the health risks of thirdhand exposure, especially for infants and children.
Researchers at the University of Freiburg have discovered a novel flavin N5-peroxide that reacts differently than previously known flavin C4a-peroxide, enabling the breakdown of stable chemical compounds and environmental pollutants.
Ultrafine particles (UFPs) formed through photooxidation of organic compounds are a major source of urban pollution. Existing particles inhibit new particle formation, suggesting controlling primary emissions or removing existing particles could worsen pollution.
Higher-density development with more impervious surfaces causes runoff, leading to increased water pollution. Agriculture also contributes significantly to water pollution, and anti-sprawl policies can prevent much-needed land-use changes that reduce pollution.
A comprehensive study by the University of Surrey shows that local activities like construction, vehicle traffic, and domestic heating contribute significantly to Delhi's high air pollution levels. The research highlights a clear trend with higher pollutant levels in winter months, mainly due to crop burning and biomass burning.
China's inland surface water quality improved significantly from 2003-2017 due to reduced pollution emissions in industrial, rural, and urban residential sectors. Annual mean concentrations of chemical oxygen demand and ammonium nitrogen declined by 63% and 78%, respectively, at the national level.
A study published in PLOS ONE found that long-term exposure to hydrocarbons in the air may be a risk factor for ischemic stroke development. The research analyzed data from Taiwan's National Health Institute Research Database and found significant associations between air pollution levels and increased risk of ischemic stroke.
A new study examines how made-to-order production affects consumer behavior, finding that it prompts them to weigh ethical production attributes more heavily. This can lead to stronger feelings of guilt or gratification, which then mediates purchase intentions.
Daily satellite observations show that NOx lifetime decreases even as concentrations increase in 34 cities from 2005-2014. Accounting for these changes is crucial to accurately estimating NOx emissions and understanding the relationship between emissions and concentrations.
Scientists have discovered how red algae adapted to extreme environments by losing genes, allowing them to thrive in diverse habitats. The study's findings may lead to the creation of genetically altered seaweeds and help control invasive seaweed pests.
Researchers Xu Dahai and Chen Junming investigated the physical and chemical origin of secondary fine particles in haze. They defined atmospheric self-purification ability and established equations to analyze key factors forming secondary fine particles, revealing their macro mechanism and synergistic effect. The study provides a quant...
Researchers found that combining stormwater controls with stream restoration results in improved erosion reduction. The study suggests that watershed-scale implementation of stormwater controls is essential for reducing channel erosion and pollutant loading, making it a more effective approach than individual restoration projects.
Researchers evaluated China's success in controlling coal-fired power plant (CPP) emissions, finding significant reductions in air pollution and premature deaths since 2005-2020. The upgrading of end-pipe control facilities and early retirement of small units led to substantial emissions reductions.
A new study found that lower air pollution levels in New York State led to a 67% decrease in premature deaths between 2002 and 2012. Long-term exposure to PM2.5 is linked to respiratory and cardiovascular problems.
Research from the University of Notre Dame finds that private, independent firms have lower carbon emissions and incur fewer EPA penalties than public and private equity-owned firms. The study suggests that increased oversight within public firms may decrease pollution.
A new Portland State University study demonstrates how planting more vegetation, using reflective materials on hard surfaces, and installing green roofs can help cool urban heat islands. The research found that these solutions can make a significant difference in reducing temperatures, even when applied in combination.
Researchers at Sandia National Laboratories have discovered a new avenue for understanding and controlling combustion processes, which will ultimately lead to cleaner engines. By analyzing a massive dataset of flames and fuels, the team identified correlations among chemical intermediates that play a role in pollutant formation.
A recent study found that targeting nitrogen oxides emitted by cars and power plants may increase harmful wintertime air pollution in the US West. Instead, limiting volatile organic compounds could be a more effective way to reduce particulate matter pollution.
A recent study synthesizes research on severe haze pollution in Northern China, highlighting its complex interaction between human activities and atmospheric conditions. The findings suggest that improving haze prediction and developing effective regulatory policies require additional knowledge and public awareness campaigns.
Researchers suggest regional emission control strategies based on acid rain and PM2.5 pollution levels to balance benefits and drawbacks of reduced ammonia emissions.
A study found that roadsides with only hedges were the most effective at reducing pollution exposure, cutting black carbon and ultrafine particles. The researchers suggest planting denser hedges or a combination of trees with hedges in open-road environments to improve air quality.
A comprehensive review assesses growing climate change science, strengthening the Endangerment Finding's conclusion on public health risks. The study highlights new evidence on climate change impacts, including extreme weather events, ocean acidification, and national security threats.