Sentences with phrase «air pollution particles»

The investigators found that — pound for pound — particles from coal burning contribute about five times more to the risk of death from heart disease than other air pollution particles of the same size — less than one ten - thousandth of an inch in diameter (known as PM 2.5).

These are just a few of the respiratory illnesses that are associated with exposure to ozone and air pollution particles.

These children lived in neighborhoods that, according to the U.S. Environmental Protection Agency, had excess nitrogen dioxide and tiny air pollution particles that are generated by automobiles and power plants, formally called particulate matter 2.5 (PM2.5).

In the study, long - term historical meteorological data were combined with relatively short measurements of air pollution particles in China in an innovative way to clarify interactions among the solar radiation, surface wind and air pollution.

Air pollution particles may disrupt the barrier by making the gut more permeable to bacteria and possibly altering the composition of the bacteria.

«Brief exposure to tiny air pollution particles triggers childhood lung infections.»

Daniel Rosenfield and his colleagues at the Hebrew University of Jerusalem studied satellite data of air masses over the Indian Ocean, which contain large numbers of air pollution particles blown off the surrounding continents.

The team studied the impacts of sulphur emitted by ships using current marine fuels, which produce air pollution particles that are small enough to be breathed deeply into the lungs and are considered harmful to human health.

Not exact matches

If the quality is not good, buying fine particle filters is a partial solution — so is looking for the root causes of the air pollution around you and trying to avoid them.

Another organization, the Clean Air Task Force, estimates particle pollution from power plants claims over 40 lives a year in the Rochester area, for example.

The new study also found that snow takes up airborne particulate matter and alters the concentrations of different nanoparticles, the smallest particles found in air pollution.

Snow takes up airborne particulate matter and alters the concentrations of different nanoparticles, the smallest particles found in air pollution.

Extreme magnification, well beyond what is shown here, reveals airborne particles trapped in the crystals, which could provide a new way of studying acid snow and air pollution.

These cities had the cleanest air quality in terms of year - round particle pollution.

Particles from small - scale energy use, mainly household fires for cooking and heating, are the leading cause of air - pollution deaths in many areas of Asia, researchers report in the Sept. 17 Nature.

The scientists expect further warming in the Arctic as levels of greenhouse gases will continue to increase and aerosol particle emissions will likely decrease to combat air pollution in different parts of the world.

Candles are a major source of airborne particles that contribute to air pollution inside homes.

The research focuses on the power of minute airborne particles known as aerosols, which can come from urban and industrial air pollution, wildfires and other sources.

In areas with higher levels of sulfate particles in the air, a measure of pollution, mortality rates were higher.

In the Southeast air pollution that begins accumulating on Monday causes rainfall to, more or less, occur during the week, when there are the most particles in the air.

«Until 20 years ago, we thought that air pollution affected only the respiratory system,» says Petros Koutrakis, an environmental chemist who heads the EPA Harvard Center for Ambient Particle Health Effects.

The question is: did all those toxicants — whether dust particles or air pollution — harm human health?

Another measure, the federal Cross-State Air Pollution Rule, will require still more expensive controls on coal plants in the Midwest and South to reduce sulfur dioxide and nitrogen oxide emissions that travel across state lines, creating ozone and fine particle pollution downwind.

Although the Environmental Protection Agency (EPA) has reported that air is cleaner today than it was in the 1970s, more than 130 million people in the U.S. still live in places where smog or particle pollution rises to unhealthful levels.

In fact, when the team compared exposure to all forms of measured air pollution — including larger particles and carbon monoxide — walking proved the best mode of transportation.

Air pollution and the gut: Are fine particles linked to bowel disease?

Pollutants and other fine particles can hang in the air and travel great distances, said George Thurston, who studies the health effects of air pollution at New York School of Medicine.

Other studies have shown that air pollution may lead to an increase in inflammatory particles called cytokines circulating throughout the body, including the gut.

Researchers studied the effects of fine particulate air pollution, which is made up of particles less than one ten - thousandth of an inch in diameter, or PM2.5.

THE sheer number of particles in urban air pollution may be the critical factor that pushes up death rates from heart and lung problems when cities are hit by smog, according to Anthony Seaton, professor of environmental and occupational medicine at the University of Aberdeen.

He says that the «key point is that the urban pollution cloud comprises predominantly small acidic particles... which penetrate indoors and persist for long periods in air, whereas industrial dust clouds consist mainly of much larger particles».

Daily exposure to air pollution from sources including traffic, power plants, and other industrial sources consisting of fine particles in the prenatal period was estimated based on where these mothers lived.

When the wind slows down, the concentration of small particles of air pollution (aerosols) increase, which help increase haze and leads to solar dimming in the area.

She and a colleague at the NRDC wrote a book, Respirable Particles, in 1979, which warned that the government's air pollution standards for American cities and industries were failing to curb the very smallest pParticles, in 1979, which warned that the government's air pollution standards for American cities and industries were failing to curb the very smallest particlesparticles.

The researchers say human - made pollution is still the core of air pollution in cities like Beijing in eastern China but that it's important to understand the role of natural dust particles.

The data were collected by air pollution monitoring campaigns, and included levels of nitrogen dioxide (a prominent air pollutant caused by traffic and cigarette smoking), coarse particles, and fine particles.

Small particles in the air enhance the scattering effect, which is why on hazy days or when there is air pollution, the sunsets appear even redder.

This type of pollution refers to particles found in the air that are less than 2.5 micrometers in diameter, or 1 / 30th the average width of a human hair.

The deposited particle mass from 10 to 350 nanograms (a billionth of a gram) per square centimeter of cell surface corresponds to an airway daily dose of slightly polluted, rural air with 20 micrograms (a millionth of a gram) PM per cubic meter of air through to very high air pollution in a megacity (1000 micrograms PM per cubic meter of air).

Pope and his team analyzed life expectancy, economic, demographic and pollution data from 51 metropolitan areas, and found that when fine - particle air pollution dropped by 10 micrograms per cubic meter, life expectancy rose by 31 weeks — such as in Akron, Ohio and Philadelphia.

These fine particles, which are blamed for some 90 % of premature deaths from air pollution, can lodge deep in the lungs, causing respiratory and cardiovascular diseases.

The study, published Wednesday in the journal Nature, showed that the production of tar sands and other heavy oil — thick, highly viscous crude oil that is difficult to produce — are a major source of aerosols, a component of fine particle air pollution, which can affect regional weather patterns and increase the risk of lung and heart disease.

The experiment will include an intervention component, as well: For half of each study week, participants will wear high - quality, particle - filtering face masks that greatly reduce air pollution exposure.

Of course, buses that burn natural gas do cut down on soot and other forms of air pollution, reducing known deaths from inhaling such small particles.

You report that about 80 per cent of early deaths from air pollution are due to fine particles (21 October,...

Launching a natural research experiment in Kathmandu, Nepal, this month using advanced monitoring methods to assess health risk from air pollution, environmental health scientist Rick Peltier at the University of Massachusetts Amherst hopes to demonstrate for the first time in a real - world setting that air pollution can and should be regulated based on toxicology variables rather than simply on the volume of particles in the air.

Iron particles generated by cities and industry are being dissolved by human - made air pollution and washed into the sea — potentially increasing the amount of greenhouse gases that the world's oceans can absorb, a new study suggests.

He then simulated the effect of long - term exposure to increased air pollution (of 10 micrograms of small particles per cubic meter) on mortality.

Tiny particles of air pollution contain more hazardous ingredients in non-white and low - income communities than in affluent white ones, a new study shows.

The present work will lead to better computer models for air pollution, which do not currently take into account the nighttime birth and growth of ultrafine particles.