Sentences with phrase «air pollutants which»

What the EPA does not communicate clearly to the public, however, is that none of these health benefits come from decreasing carbon dioxide emissions to avoid global warming, but from coincidental benefits (or «co-benefits») from reducing other air pollutants which the EPA already heavily regulates.

The Clean Air Act defines «performance standard» as a «standard for emissions of air pollutants which reflects the degree of emission limitation achievable through the application of the best system of emission reduction which... the Administrator determines has been adequately demonstrated.»

We know that trees remove the air pollutants which can bring on asthma attacks, but in some situations they can also cause localised build - ups of particulates by preventing their dispersion by wind.

Not exact matches

Air pollutants are the result of impurities in coal that, once burned, can become air - or water - borne hazards, including soot, sulfur dioxide, nitrogen oxides, and mercury, all of which are regulated in the U.Air pollutants are the result of impurities in coal that, once burned, can become air - or water - borne hazards, including soot, sulfur dioxide, nitrogen oxides, and mercury, all of which are regulated in the U.air - or water - borne hazards, including soot, sulfur dioxide, nitrogen oxides, and mercury, all of which are regulated in the U.S..

That came in the form of an online air quality management platform, which employs both historical and real - time data to make future projections for different pollutant levels and show air quality trends.

High temperatures also worsen deadly air pollutants like ozone, which is linked to respiratory illnesses such as asthma.

There are a vast range of air pollutants, which cause a variety of effects on the environment and health.

That filing, which has been called the most important environmental lawsuit ever to go to the Supreme Court, demanded that the Environmental Protection Agency regulate carbon dioxide (CO2) as a pollutant under the Clean Air Act — something the plaintiffs saw as a very reasonable request since the Clean Air Act defines a pollutant as a substance that is damaging to humans.

Last but not least, the Rabbit Air offers an excellent auto mode which turns up air purification when pollutants are detectAir offers an excellent auto mode which turns up air purification when pollutants are detectair purification when pollutants are detected.

The study was conducted in Jena, Germany, a city with 100,000 residents and only a few days over the last several years during which concentrations of some air pollutants exceeded EU daily limits.

They act as porous bodies which influence local dispersion of pollution and aid the deposition and removal of airborne pollutants, making the air cleaner.

Emissions from vehicles, power plants, industrial operations, and other human activities are a primary cause of surface ozone, which is one of six main pollutants regulated in the U.S. by the Clean Air Act.

Ecosystems provide the most basic provisioning services — food, firewood, and medicines — along with the so - called regulating services of a fully functional environment, which include cleaning the air, purifying water, controlling floods and erosion, storing carbon, and detoxifying pollutants in soils.

But monitoring by the London Air project from King's College, London, showed that the rules had been breached by 9 pm on Thursday for the pollutant, which is linked to heart and lung problems and even early deaths.

As a result, combined emissions of six common air pollutants have dropped by about 70 percent nationwide since the 1970 passage of the Clean Air Act, which regulates U.S. emissions of hazardous air pollutanair pollutants have dropped by about 70 percent nationwide since the 1970 passage of the Clean Air Act, which regulates U.S. emissions of hazardous air pollutanAir Act, which regulates U.S. emissions of hazardous air pollutanair pollutants.

Fuels derived from natural gas burn more cleanly than those derived from crude oil because they don't contain components like nitrogen, sulfur, or carbon arranged in rings, which are notorious air pollutants.

While exercising, we breathe in 10 - 20 times more air than we do standing still, Rundell says, which means we also let that many more pollutants into our lungs.

The report is based on the JRC's Emissions Database for Global Atmospheric Research (EDGAR), which is not only unique in its space and time coverage, but also in its completeness and consistency of the emissions compilations for multiple pollutants: the greenhouse gases (GHG), air pollutants and aerosols.

The researchers hope an added bonus could be understanding how pollutants are transported and transformed as air is pushed along the tropics, which could have a direct effect on people living downwind of major air pollution sources.

Senator Tom Carper (DE), top Democrat on the panel, cited an interview in which Hartnett White suggested that low - level ozone, an air pollutant, wasn't harmful unless «you put your mouth over the tailpipe of a car for 8 hours every day.»

Conducted in 1999, INDOEX exploited a unique occurrence during the winter monsoon in which air currents carry pollutants from India and Southeast Asia in a southern direction out over the open ocean.

But the Clean Air Act, which the Obama administration used as the legal mechanism for the plan, mandates that the federal government regulate carbon dioxide emissions because the EPA has already declared it to be a pollutant, said David Goldston, government affairs director for the Natural Resources Defense Council.

«But these single factors don't paint a comprehensive picture of what a person is exposed to in their environment — and may not be as helpful in predicting cancer risk, which is impacted by multiple factors including the air you breathe, the water you drink, the neighborhood you live in, and your exposure to myriad toxins, chemicals and pollutants.»

This breakdown process results in the creation of more air pollutants, including hydroxyl and nitrate radicals, which further increase the breakdown rate of plant odors.

Air pollutants interact with and break down plant - emitted scent molecules, which insect pollinators use to locate needed food, according to a team of researchers led by Penn State.

In addition to providing the air we breathe and the weather we experience, the troposphere is laced with a compound called the hydroxyl radical — abbreviated OH — which bonds to pollutants like bromines and droplets of sulfates called aerosols.

«It's nasty stuff,» said Dmitri Stanich, a spokesman for the California Air Resources Board, which regulates air pollutanAir Resources Board, which regulates air pollutanair pollutants.

Wildfires are a source of an especially problematic type of air pollutant known as PM2.5 («particulate matter» less than 2.5 microns in diameter), which can become lodged in lungs and cause or exacerbate a wide array of health problems such as asthma and heart disease.

The new study, published last week in the journal Environmental Research Letters, showed that emissions of sulfur dioxide, a common air pollutant released during coal and fossil fuel combustion, increased from 2000 to 2006, after which they started to decline.

Particulate matter: Air pollutants can be in the form of particulate matter which can be very harmful to our health.

The stagnant air caused by heat and humidity tends to trap airborne pollutants, such as car exhaust, which react in the presence of sunlight to form ozone, a main ingredient in smog.

The study, which controlled for levels of pollutants and allergens in the air (which are affected by weather), found that a 10 - degree increase in temperature and a 10 % change in humidity were associated with a slight uptick in asthma - related emergency room visits.

«At levels that the EPA considers to be generally safe, we found an important effect of ambient air particles, which is one of many pollutants in the air, but an important one,» says study coauthor Gregory A. Wellenius, Sc.D., an assistant professor of community health at Brown University Medical School, in Providence, R.I. Wellenius collaborated with researchers at Beth Israel Deaconess Medical Center and the Harvard School of Public Health, both in Boston.

The Environmental Protection Agency has found indoor air can be filled with more pollutants than outdoor air, which can ultimately lead to symptoms of «sick building syndrome»: tiredness, fogginess, and lack of concentration.

Air pollutants can cause an inflammatory response in the airways, which is a primary feature of asthma.

Stress may increase a person's susceptibility to air pollutants by lowering immune system function or affecting the autonomic nervous system, which helps regulate breathing, the authors say.

-- Pollution and smoking Atmospheric air pollutants and chemical constituents of tobacco can activate inflammatory responses and cause oxidative stress, among other disturbances, which could accelerate ageing and increase the risk for various diseases.

Your skin will show clues of aging which include wrinkles, facial lines, and sagging skin because of the action of age; environmental pollutants; inappropriate foods and drinks; sun or sunlamp damage; harmful medications, creams, or oils; skin being stretched because of stretching, incorrect exercises and / or massage; free radicals in your food, the air you breath, liquids you swim in, drink; and from the natural environment.

The EcoDiesel engine is also capable of running on biofuel, which produces less air pollutants and greenhouse gas emissions.

Paper manufacturing adds too many pollutants to the air, which may be avoided to a certain extent.

Second, most air pollutants cause lung cancer, which has a plethora of other potential causes.

Many of these small internal combustion engines used for yardwork can release as much as 30 % of the fuel / oil mixture as unburned pollutants into the atmosphere due to incomplete combustion, which not only wastes fuel and money, but also contributes to air pollution.

Carol M. Browner, the new White House coordinator for climate and energy, is a seasoned environmental regulator and campaigner who has focused on cap - and - trade legislation, which would steadily raise the cost of unfettered fossil - fuel use, and rule - making as driving the necessary change (as they did with the 20th - century basket of air pollutants).

The indoor module offers a feature to «sense on demand» in addition to every five minutes, so I was able to get a reading right away for temperature, humidity, CO2 levels (which can also indicate high levels of other pollutants), air pressure, and sound levels.

Following the Supreme Court's decision in Massachusetts v. EPA, 549 U.S. 497 (2007)-- which clarified that greenhouse gases are an «air pollutant» subject to regulation under the Clean Air Act (CAA)-- the Environmental Protection Agency promulgated a series of greenhouse gas - related rulair pollutant» subject to regulation under the Clean Air Act (CAA)-- the Environmental Protection Agency promulgated a series of greenhouse gas - related rulAir Act (CAA)-- the Environmental Protection Agency promulgated a series of greenhouse gas - related rules.

She asked him to explain his dissent in the 2007 case in which the Supreme Court ruled that the Environmental Protection Agency had the authority to regulate carbon dioxide, the main greenhouse gas emitted by human activities, as a pollutant under the Clean Air Act.

There are growing examples of co-benefits of mitigation and development policies, like those which can potentially reduce local emissions of health - damaging and climate - altering air pollutants from energy systems.

Similar negative effects occur with worsening air pollution — higher levels of ground - level ozone smog and other pollutants that increase with warmer temperatures have been directly linked with increased rates of respiratory and cardiovascular disease — food production and safety — warmer temperatures and varying rainfall patterns mess up staple crop yields and aid the migration and breeding of pests that can devastate crops — flooding — as rising sea levels make coastal areas and densely - populated river deltas more susceptible to storm surges and flooding that result from severe weather — and wildfires, which can be ancillary to increased heat waves and are also responsible for poor air quality (not to mention burning people's homes and crops).

The paper is meant to invite further research into the mechanisms so that we can determine whether these impacts are driven by specific pollutants in the air or water, by light or sound pollution, or other changes that may have happened to these communities, some of which could be unrelated to gas development.

If a pollutant endangers the climate, the Clean Air Act requires EPA to regulate it, which is what EPA is doing.