Current Air Pollution News and Events | Page 25

Current Air Pollution News and Events, Air Pollution News Articles.
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A tale of two cities: Is air pollution improving in Paris and London?
For the first time, a joint air pollution study across two mega-cities -- London and Paris -- measures the impact of policies designed to reduce air pollution from urban traffic over the last 12 years. (2019-03-11)

Hot or cold, rural residents more vulnerable to extreme temperatures
A study in China's Zheijiang Province shows that people in China's rural communities are more vulnerable to both hot and cold temperature extremes than people living in urban areas. (2019-03-11)

US black and Hispanic minorities bear disproportionate burden from air pollution
Black and Hispanic Americans bear a disproportionate burden from air pollution caused mainly by non-Hispanic white Americans, according to a study to be published in the Proceedings of the National Academy of Sciences. The research, led by researchers from the University of Minnesota and the University of Washington, quantifies for the first time the racial gap between who causes air pollution and who breathes it. (2019-03-11)

Vitamin D may protect against pollution-associated asthma symptoms in obese children
A new study finds vitamin D may be protective among asthmatic obese children living in urban environments with high indoor air pollution. The study out of John Hopkins University School of Medicine, funded by the National Institute of Environmental Health Sciences (NIEHS), part of the National Institutes of Health, was published in The Journal of Allergy and Clinical Immunology: In Practice. (2019-03-08)

Probing water's skin
Electrosprays of water cannot reliably probe the air-water interface. (2019-03-07)

BU researchers develop 'acoustic metamaterial' that cancels sound
Boston University researchers, Xin Zhang, a professor at the College of Engineering, and Ghaffarivardavagh, a Ph.D. student in the Department of Mechanical Engineering, released a paper in Physical Review demonstrating it's possible to silence noise using an open, ringlike structure, created to mathematically perfect specifications, for cutting out sounds while maintaining airflow. (2019-03-07)

Swifts are born to eat and sleep in the air
Nearly 100 species of swift are completely adapted to life in the air. That is the conclusion of researchers at Lund University in Sweden after having studied a third species and observing that some individuals did not land for over three months. (2019-03-06)

Nitric acid and ammonia electrosynthesis
The commercial synthesis methods for HNO3 and NH3 chemicals is Ostwald and Haber-Bosch process, respectively, but both of them are energy-intensive and high-emission. Thus, developing novel and green alternative strategies are crucial to solve the global energy and environmental crisis. Recently, researchers in Tianjin University reported electrochemical strategies to realize the production of HNO3 and NH3 from air and waste nitrate, which can open a new avenue for green production of HNO3 and NH3 at distributed sources. (2019-03-05)

Capturing bacteria that eat and breathe electricity
WSU researchers traveled to Yellowstone National Park to find bacteria that may help solve some of the biggest challenges facing humanity -- environmental pollution and sustainable energy. (2019-03-05)

India's stubble burning air pollution causes USD 30 billion economic losses, health risks
India's air pollution made headlines around the globe last year. IFPRI researchers estimate the economic and health cost of air pollution caused due to stubble burning at USD 30 billion per year in a new research -- the first to arrive at these estimates. (2019-03-04)

Radiography of marine litter in Spanish waters
Marine litter is a growing problem in the Mediterranean Sea, but few studies have focused on its composition, spatial distribution and temporal evolution. Now, a new study reveals that, in Spanish waters, plastics are the main component and that density is higher in the Alboran Sea than in the Levantine region or Catalonia, where accumulation has remained stable. (2019-03-04)

SDSU study looks to limit secondhand smoke in homes with children
SDSU researchers found at least some smokers with kids will modify their behavior with an electronic push. (2019-03-04)

Natural climate solutions are not enough
To stabilize the Earth's climate for people and ecosystems, it is imperative to ramp up natural climate solutions and, at the same time, accelerate mitigation efforts across the energy and industrial sectors, according to a new policy perspective published today in Science. Among their findings, the researchers warn that a ten-year delay in emissions reductions from energy and industry could this century result in emissions that negate the net potential emissions reductions benefit of natural climate solutions. (2019-02-28)

Crop residue burning is a major contributor to air pollution in South Asia
Urban emissions of black carbon from fossil fuel combustion are not always the main contributor to severe air pollution in south Asian megacities like New Delhi, shows a new study by researchers from Stockholm University and the Indian Institute for Tropical Meteorology, published in the journal Nature Sustainability. (2019-02-27)

Scientists simulate forest and fire dynamics to understand area burn of future wildfires
Scientists, including Matthew Hurteau in the Department of Biology at the University of New Mexico, are examining more data via simulations of wildfires in the Sierra Nevada to improve their understanding between prior and future wildfires. They hypothesized that prior wildfires and their influence on vegetation, coupled with a changing climate and its influence on vegetation recovery after a wildfire, would likely restrict the size of wildfires in the future. (2019-02-26)

New clues about why non-smokers, as well as smokers, develop chronic lung disease revealed
A group of researchers led by the universities of Leicester and Nottingham has discovered genetic differences that put some people at higher risk than others of developing chronic lung disease. (2019-02-25)

Scientists reveal impacts of anthropogenic nitrogen discharge on nitrogen transport in global rivers
Scientists found that riverine dissolved inorganic nitrogen in the USA has increased primarily due to the use of nitrogen fertilizers. In contrast, European rivers were affected mainly by point source pollution. However, both aspects are equally important for aquatic environments in China. (2019-02-22)

Squid could provide an eco-friendly alternative to plastics
The remarkable properties of a recently-discovered squid protein could revolutionize materials in a way that would be unattainable with conventional plastic. Originating in the ringed teeth of a squid's predatory arms, this protein can be processed into fibers and films with applications ranging from health-monitoring 'smart' clothes to self-healing recyclable fabrics that reduce microplastic pollution. Materials made from this protein are eco-friendly and biodegradable, with sustainable large-scale production achieved using laboratory culture methods. (2019-02-21)

Health burden of glaucoma has risen worldwide
The health burden of glaucoma has continuously increased around the globe in the past 25 years, according to an Acta Opthalmologica study. (2019-02-21)

Study examines indoor exposure to air pollution
In an Indoor Air study conducted in a suburb of the city of Kuopio, Finland, relatively short-lasting wood and candle burning of a few hours increased residents' daily exposure to potentially hazardous particulate air pollution. Associations between indoor air pollutants and building ventilation or cooking were also observed. (2019-02-21)

Simulated ocean mesoscale structures induce air-sea interaction
Using the Community Earth System Model framework, the authors build a very high-resolution quasi-global coupled model by coupling an eddy-resolving quasi-global ocean model with a high-resolution atmospheric model. The model is successfully run for six years under present climate conditions, and the simulations are evaluated against observational and reanalysis data. The model is capable of simulating large-scale oceanic and atmospheric circulation patterns, sea surface temperature (SST) fronts, oceanic eddy kinetic energy, and fine-scale structures of surface winds. (2019-02-20)

Delhi's complicated air pollution problem
According to the World Health Organization, Delhi is the world's most polluted large city. And it's only going to get worse if something isn't done about it, say some experts in an article in Chemical & Engineering News (C&EN), the weekly news magazine of the American Chemical Society. (2019-02-20)

Fishing and pollution regulations don't help corals cope with climate change
A new study from the University of North Carolina at Chapel Hill reports that protecting coral reefs from fishing and pollution does not help coral populations cope with climate change. The study also concludes that ocean warming is the primary cause of the global decline of reef-building corals and that the only effective solution is to immediately and drastically reduce greenhouse gas emissions. (2019-02-19)

Prenatal forest fire exposure stunts children's growth
Forest fires are more harmful than previously imagined, causing stunted growth in children who were exposed to smoke while in the womb, according to new research from Duke University and the National University of Singapore. (2019-02-19)

Climate change makes summer weather stormier yet more stagnant
Climate change is shifting the energy in the atmosphere that fuels summertime weather, which may lead to stronger thunderstorms and more stagnant conditions for midlatitude regions of the Northern Hemisphere, including North America, Europe, and Asia, a new MIT study finds. (2019-02-18)

Microalgae as natural detector of environmental safety
An international group of toxicologists, which includes experts from the Far Eastern Federal University (FEFU), pointed out that unicellular microalgae, the most common microorganisms on Earth and an important part of the food chain for more developed organisms, serve as an effective biomarker of environmental pollution. They quickly respond to chemical contamination of the environment by oxidative stress. The study was published in Current Opinion in Toxicology. (2019-02-18)

A hidden source of air pollution? Your daily household tasks
Cooking, cleaning and other routine household activities generate significant levels of volatile and particulate chemicals inside the average home, leading to indoor air quality levels on par with a polluted major city. (2019-02-17)

Large-scale window material developed for PM2.5 capture and light tuning
A research team from University of Science and Technology of China develops a simple and economical process to fabricate large-scale flexible smart windows. (2019-02-16)

Tiny fibers create unseen plastic pollution
While the polyester leisure suit was a 1970s mistake, polyester and other synthetic fibers like nylon are still around and are a major contributor to the microplastics load in the environment, according to a Penn State materials scientist, who suggests switching to biosynthetic fibers to solve this problem. (2019-02-16)

Research forms complex picture of mercury pollution in a period of global change
This study looks at how climate change and land use modification impact mercury pollution in wetlands. (2019-02-14)

Super-light, super-insulating ceramic aerogel keeps the hottest temperatures at bay
Researchers have developed a near weightless material, comprised mostly of air, capable of both withstanding and protecting against some of the most extreme temperatures experienced in aerospace and industrial environments. (2019-02-14)

SDSU researchers find new way to measure nicotine exposure in children
A team of researchers from SDSU has found silicone wristbands to be an effective way to measure children's exposure to secondhand smoke. (2019-02-14)

Moving artificial leaves out of the lab and into the air
Researchers from the University of Illinois at Chicago have proposed a design solution that could bring artificial leaves out of the lab and into the environment. Their improved leaf, which would use carbon dioxide -- a potent greenhouse gas -- from the air, would be at least 10 times more efficient than natural leaves at converting carbon dioxide to fuel. (2019-02-12)

NUS marine scientists find toxic bacteria on microplastics retrieved from tropical waters
A team of marine scientists from the National University of Singapore had uncovered toxic bacteria living on the surfaces of microplastics (which are pieces of plastic smaller than 5 millimetres in size) collected from the coastal areas of Singapore. These bacteria are capable of causing coral bleaching, and triggering wound infections in humans. The team also discovered a diversity of bacteria, including useful organisms - such as those that can degrade marine pollutants like hydrocarbons - in the plastic waste. (2019-02-11)

Using big data to help manage global natural assets
Research led by the University of Southampton is helping to tackle one of the biggest sustainability challenges -- looking after and nurturing the natural resources in the world around us. The study outlines a new approach for using environmental 'big data' to understand where different approaches to managing our 'natural capital' (e.g. forests, lakes, soils) are most effective, so the environment continues to provide us with the food, water, recreation and timber on which we all depend. (2019-02-11)

Connection between home energy efficiency and respiratory health in low-income homes
A new study finds people living in drafty homes in low-income, urban communities are at a higher risk of respiratory health issues. (2019-02-11)

Skyglow over key wildlife areas
Light pollution affects the skies over most of the world's key wildlife areas, new research shows. (2019-02-10)

The 2008 recession associated with greater decline in mortality in Europe
In recent decades, Europe has experienced a downward trend in the annual number of deaths. Not only was this trend not arrested by the economic recession that started in 2008, in fact, the rate of decline increased during the recession years. This acceleration has been evidenced by the results of a study published in Nature Communications. (2019-02-08)

Seasons change: Researchers provide new definition for major Indian monsoon season
FSU Professor of Meteorology Vasu Misra has used detailed surface temperature analyses to develop the first-ever objective definition of the Northeast Indian Monsoon. (2019-02-08)

How poppy flowers get those vibrant colours that entice insects
With bright reds and yellows -- and even the occasional white -- poppies are very bright and colorful. Their petals, however, are also very thin; they are made up of just three layers of cells. University of Groningen scientists Casper van der Kooi and Doekele Stavenga used microscopy and mathematical models describing how light interacts with petals to find out how the vibrant colors are created. (2019-02-08)

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