Sentences with phrase «of air pollutants which»

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.»

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.

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

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.

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.

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.

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.»

«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.

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.

-- 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.

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.

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.

CO2 is a pollutant which kills since it is a poison kills since it is an Asphyxiant (heavier than air, smothers life) * «Police: Carbon dioxide led to death in McDonald's bathroom September 14, 2011 1:38 p.m. EDT STORY HIGHLIGHTS The carbon dioxide built up to toxic levels in the bathroom An 80 - year - old woman died after the incident September 7 lethal dose of carbon dioxide, authorities said Wednesday....»

The project also improves the air quality in the region by reducing the amount of pollutants emissions contained in the landfill gas such as hydrogen sulphide which an cause nausea, delirium, headaches, and skin and eye irritation.

In 2007, the Supreme Court affirmed that CO2 is a «pollutant» under the Clean Air Act, which — in and of itself — did not result in any regulation.

The Court's analysis faithfully follows the argument advanced by petitioners, which focuses on the word «including» in the statutory definition of «air pollutant.»

Coal is responsible for at least 50 % of sulfur dioxide emissions and is a major contributor to nitrous oxide and Particulate Matter (PM2.5) emissions which are three major toxic air pollutants;

The American Lung Association recognizes that energy and transportation sources of air pollution are often located near where many people, especially communities of color or lower income, live and work, which means their exposure to pollutants emitted can be more immediate and disproportionately harmful.

(e) Take steps to address other sources of short - lived climate pollutants like black carbon, methane, tropospheric ozone and hydrofluorocarbons, some of which contribute to air pollution.

UNEP is supporting countries and their partners to fast track action on this challenge through the PCFV and other programmes such as the Climate and Clean Air Coalition — which works to reduce short - lived climate pollutants such as black carbon in a number of key sectors, including transport, agriculture, waste, household cooking and heating, and brick production.

What's more, wind and solar plants don't even fall under the domain of the Clean Air Act, he said, as the law only regulates «sources» which emit air pollutanAir Act, he said, as the law only regulates «sources» which emit air pollutanair pollutants.

Sections 243.1 - 243.4 of Article 243 of the Code, specifically: rate of the tax due on emissions of certain pollutants into the atmospheric air, caused by stationary sources of pollution; rates of the tax due on stationary sources» emissions into the atmospheric air of pollutants (compounds), which are not listed in Section 243.1 of this Article and are falling within a certain substance hazard category (except for carbon dioxide), shall be applicable subject to determined approximately safe impact levels of such substances» (compounds») impact on the atmospheric air of urban settlements; and rates of tax due on emissions of carbon dioxide

But the incidental benefits of greenhouse - gas reductions can include a reduction in conventional pollutants, which do tend to enter the ground - level air close to industrial plants.

If carbon dioxide is indeed a pollutant when present in excessive concentrations in the atmosphere — which the EPA's 2009 Endangerment Finding for carbon says that it is — then by law and by past precedent the Clean Air Act is the appropriate means for controlling all of America's own greenhouse gas emissions, regardless of their source.

The reliability of supply provided by our nation's network of storage and distribution facilities has contributed to the increased use of natural gas in many sectors of the U.S. economy, which has led to reductions in air emissions — ranging from criteria pollutants, such as sulfur dioxide and nitrogen oxides, to greenhouse gases.

Jackson was also asked about the EPA's finding last week that carbon dioxide emissions are a danger to public health, which triggers the process of regulating the pollutant under the Clean Air Act.