Sentences with phrase «nitrogen dioxide in»

Essex County has some of the highest levels of nitrogen dioxide in the country.

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.S..
By 2035, nitrogen dioxide levels in the city center's most polluted street were expected to fall by 74 percent, the proposal said.
Greg — I can use a couple sensors and show you the partial pressure of oxygen, nitrogen, carbon dioxide, etc. in the «air».
... A number of scientific studies indicate that most global warming in recent decades is due to the great concentration of greenhouse gases (carbon dioxide, methane, nitrogen oxides and others) released mainly as a result of human activity... Doomsday predictions can no longer be met with irony or disdain.
When sulfur dioxide gets into the atmosphere and meets nitrogen oxides, compounds are formed that lead to acid in the rain.
In addition to carbon dioxide there are other disruptive products from the use of fossil fuels such as the nitrogen oxides that have already been referred to.
Its report published this week says that EU limits on nitrogen dioxide are currently exceeded in 28 out of 45 UK areas.
The context for this question, is the recent court ruling about the nitrogen dioxide limits in German cities (An english article I found about it).
Similar how they are accountable for their own nitrogen dioxide limits in cities?
«To ask the Secretary of State for Transport whether he has requested a derogation from EU air quality legislation in relation to limits on the levels of pollution from (a) nitrogen dioxide, (b) ozone and (c) other nitrogen oxides.
It is a map of nitrogen dioxide (NO2) pollution in the congestion charging zone, put together by Assembly Member Jenny Jones.
Soon after the delay to the decision was announced by Hoon last Christmas, the Miliband and Benn camps both contacted the Institute for Public Policy Research, over a pamphlet by Simon Retallack, the IPPR's head of climate change, arguing that the third runway should not go ahead unless the government required aircraft using it to meet the aviation industry's own targets to cut carbon dioxide emissions and noise in new aircraft by 50 % and nitrogen oxides by 80 % by 2020.
Perhaps a carbon dioxide fire extinguisher -LRB--66 ° C) or liquid nitrogen (around -200 ° C) could kill in an instant.
Without this fixed nitrogen, phytoplankton could not absorb carbon dioxide from the air, a feat which is helping to check today's rising carbon dioxide levels in the atmosphere.
View a slide show of the world's first carbon capture and storage facility in operation The small stream of flue gas travels to the carbon - capture unit through plastic pipes reinforced with fiberglass and is cooled to between — 1 and 21 degrees Celsius from the 55 - degree C temperature at which it emerges from the other environmental technology add - ons that strip out the fly ash, sulfur dioxide and nitrogen oxides.
This reaction could play an important role in explaining the observed depletion of ozone over Antarctica; it releases photolytically active chlorine from its most abundant reservoir species, and it promotes the formation of HNO3 and thus removes nitrogen dioxide (NO2) from the gas phase.
Air leaving the lungs is 78 percent nitrogen, 16 percent oxygen, and 4 percent carbon dioxide — depleted in oxygen and enriched more than a hundredfold in carbon dioxide compared with what went in, due to human metabolism.
South of East St. Louis, the industrial plants in Sauget release hundreds of tons of volatile organic matter, sulfur dioxide and nitrogen oxides each year.
At the end of the study, children who lived in neighborhoods with the highest concentrations of nitrogen dioxide and particulates had experienced greater declines in insulin sensitivity and had signs of impaired pancreatic beta cells, which produce insulin.
A substantial portion of the planet is greening in response to increasing atmospheric carbon dioxide, nitrogen deposition, global warming and land use change.
In its test in its Danbury lab, the company plans to mix carbon dioxide, air and nitrogen to simulate coal plant emissions and then shoot those gases into a fuel cell stacIn its test in its Danbury lab, the company plans to mix carbon dioxide, air and nitrogen to simulate coal plant emissions and then shoot those gases into a fuel cell stacin its Danbury lab, the company plans to mix carbon dioxide, air and nitrogen to simulate coal plant emissions and then shoot those gases into a fuel cell stack.
Bada's experiment could also have implications for life on Mars, because the Red Planet may have been swaddled in nitrogen and carbon dioxide early in its life.
Danish researchers, with colleagues in the United States and Taiwan, published a study last year in Environmental Health Perspectives looking at people with and without Parkinson's and their exposure to nitrogen dioxide, a marker for traffic - polluted air.
The risk of developing asthma was associated with increases in the levels of nitrogen dioxide and carbon monoxide found in traffic - related air pollution.
In a typical urban area with a high level of background air pollution — for example, around 15 micrograms of fine particulate matter (PM2.5) per cubic metre, or a nitrogen dioxide concentration around 33 micrograms per cubic metre — an extra 300 trees per square kilometre was associated with around 50 fewer emergency asthma cases per 100,000 residents over the 15 year study period.
Nitrospinae bacteria, which use the nitrogen compound nitrite to «fix» inorganic carbon dioxide into sugars and other compounds for food and reproduction, are responsible for 15 to 45 percent of such carbon fixation in the western North Atlantic Ocean, researchers report in the...
Such technology could cut acid rain — causing sulfur dioxide emissions by more than 90 percent, smog - forming nitrogen oxides by 75 percent, and — ultimately — capture more than 80 percent of the CO2 normally produced by combustion, storing it in nearby depleted oil fields by 2015.
As is common around the country, New York State's Department of Environmental Conservation routinely monitors the levels of ozone, carbon monoxide, sulfur dioxide, nitrogen oxides, and particulates in the air.
In addition to PM2.5, they also measured exposure to nitrogen oxide and nitrogen dioxide, and black carbon or soot.
Newland says that a fall in nitric oxide and nitrogen dioxide from clean air regulations could have slowed the production of OH.
They rapidly detect and continuously respond to extremely small changes in the concentrations of gases including ammonia, carbon dioxide, and nitrogen oxide.
«The morphologic changes in the right ventricle of the heart that we found with increased exposure to nitrogen dioxide add to the body of evidence supporting a connection between traffic - related air pollution and cardiovascular disease,» said Dr, Leary.
Handheld extinguishers, which are commonly sold at hardware stores for use in the kitchen or garage, are pressurized with nitrogen or carbon dioxide (CO2) to propel a stream of fire - squelching agent to the fire.
The U.S. Environmental Protection Agency today strengthened the federal public health standard for nitrogen dioxide pollution, a limit that has been in place for nearly four decades
The heat absorbed by water vapor and carbon dioxide is shared with all the nitrogen, oxygen and argon, because the latter molecules are always bumping into water vapor and carbon dioxide as they mix in the atmosphere.
Using estimated exposure to outdoor oxides of nitrogen at the homes of participants over the year preceding MRI, the authors found that increased exposure to nitrogen dioxide was associated with an approximately 1.0 g (5 percent) increase in right ventricular mass and a 4.1 mL (3 %) increase in right ventricular end - diastolic volume.
But a comparison of the congestion charges in London and Stockholm suggests the schemes only achieve this if they drive down the amount of nitrogen dioxide belched into city air by vehicles.
EMISSIONS of sulphur dioxide and nitrogen oxides from shipping in the English Channel are «almost equivalent to those of Denmark», according to a study of marine pollution by Lloyd's Register.
Soil microbes decompose plant and other organic matter, in the process releasing carbon dioxide and soluble inorganic nitrogen, such as ammonium or nitrate.
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.
There's also interest in using metal catalysts to convert carbon dioxide into fuels, make fertilizers from atmospheric nitrogen and drive reactions in fuel - cell cars.
Beijing's air is full of pollutants like sulfur dioxide (SO2), ozone (O3), carbon monoxide (CO), nitrogen dioxide (NO2), and notably, particulate matter (microscopic particles like those in engine exhaust).
NOx gases represent some of the most reactive gases produced from diesel combustion and other fossil fuels, but the emissions limits for nitrogen dioxide are regularly exceeded, especially in urban areas.
Meanwhile, China obtains roughly three - quarters of its electricity from coal, meaning the air in Beijing and other cities is thick with sulfur dioxide, carbon monoxide, and nitrogen dioxide spewed from power plants and coal - burning stoves.
JS: Because we have actually flown through the plume, the mass spectrometer on board of Cassini got a direct composition measurement and found some carbon dioxide in the plume and traces of nitrogen and methane.
According to the U.S. Environmental Protection Agency, the process of manufacturing glass not only contributes its share of greenhouse gas emissions but also generates nitrogen oxides, sulfur dioxide and tiny particulates that can damage lung tissue when breathed in.
«A bioreactor containing anaerobic methane and ammonium oxidizing microorganisms can be used to simultaneously convert ammonium, methane and oxidized nitrogen in wastewater into harmless nitrogen gas and carbon dioxide, which has much lower global warming potential.»
To find out if how the nitrogen is delivered makes a difference, Arnold Bloom, a crop physiologist at the University of California, Davis, and his team monitored the growth of wheat plants raised in high levels of carbon dioxide.
In the United States, roughly two - thirds of all sulfur dioxide and a quarter of all nitrogen oxide come from electric power generation that relies on burning fossil fuels, such as coal.
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