Sentences with phrase «as sulfur dioxide»

Fossil fuels — especially coal in electricity generation and gasoline for transportation — are the biggest source of conventional air pollutants, such as sulfur dioxide (SO2), nitrous oxides (NOx), and carbon monoxide (CO).
The EPA estimates that the new rule would cut traditional air pollutants such as sulfur dioxide, nitrogen oxides and soot by 25 percent, according to those who have been briefed, yielding a public health benefit of between $ 55 billion to $ 93 billion when it is fully implemented with 2,700 to 6600 premature deaths avoided and 140,000 to 150,000 asthma attacks a year avoided.
In the United States and Europe, better technology and regulations have led to drastic reductions in air pollutants such as sulfur dioxide and nitrogen dioxide.
While carbon dioxide keeps heat from escaping Earth, substances such as sulfur dioxide, a common air pollutant, reflect solar radiation, helping cool the planet.
In fact, some of the progress reining in air pollution, such as the sulfur dioxide (SO2) coming out of smoke stacks, leads to serious climate tradeoffs.
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.
The fees were raised more than tenfold on major pollutants such as sulfur dioxide, nitrogen oxide, chemical oxygen demand and ammonia nitrogen.
Facilities that fall under the CAA for major emissions of non-greenhouse gases such as sulfur dioxide or nitrous oxide may be required to take steps to control not only these pollutants, but also greenhouse gas emissions.
Utility industry officials say they're already making major efforts to cut traditional pollution emissions, such as sulfur dioxide and nitrous oxide.
Of course, this does not mean that aerosols such as sulfur dioxide do not have negative effects on the environment.
With the activated carbon layer embedded in the media, this filter easily bonds pollutant gases such as sulfur dioxide, ozone and fuel vapors in the pores of the activated carbon,...
Io's thin atmosphere collapses as the sulfur dioxide gas emitted from volcanoes freezes when shaded by Jupiter.
Thus, injecting sulfur dioxide into the upper atmosphere over the Arctic in the summers would cause regional cooling, which would dissipate as the sulfur dioxide spread to lower latitudes.
The specialized instruments onboard the aircraft sampled the plume for aerosol particle size distribution and composition as well as concentrations of pollutant gases such as sulfur dioxide, nitric oxide, nitrogen dioxide, ozone, and volatile organic compounds (VOCs).
The findings: carbon, hydrogen, oxygen, nitrogen, sulfur and phosphorous — key ingredients for life — plus chemicals such as sulfur dioxide and hydrogen sulfide that could provide energy for microorganisms.
China has a plan designed to reduce pollutants such as sulfur dioxide, linked to climate change and breathing problems, by as much as 10 percent over the next five years.
Much of this fine particle pollution comes from electric power plants, either directly or as pollutants such as sulfur dioxide that chemically evolve downwind of the plant.

Not exact matches

Not only can cruise ships generate the same amount of sulfur dioxide fumes as 13.1 million cars in a day, but they also dump boatloads of noxious bilge water into the ocean.
Pineapple, corn syrup, high fructose corn syrup, water, citric acid, natural and artificial flavor, potassium sorbate and sodium benzoate added as a preservative, oleoresin turmeric (color) and sulfur dioxide.
Pineapple, sorn syrup, high fructose corn syrup, water, citric acid, natural and artificial flavor, potassium sorbate and sodium benzoate added as a preservative, oleoresin turmeric (color), and sulfur dioxide.
Sulfur dioxide is used as a preservative to extend its shelf life and preserve the fruit's bright color, which is why un-sulfured apricots are a darker brown.
It has also reduced 90 percent of harmful pollutants such as mercury, sulfur dioxide, nitrogen oxide, ozone and particulate matter.
There, temperatures climbed as high as 42 °C, and an acid rain — caused by sulfur dioxide fumes from the volcano — occasionally lashed the upper reaches of the mountain.
«When you look at a satellite picture of sulfur dioxide, you end up with it appearing as hotspots — bull's - eyes, in effect — which makes the estimates of emissions easier.»
Current, sulfur dioxide monitoring activities include the use of emission inventories that are derived from ground - based measurements and factors, such as fuel usage.
Prior to an eruption, gases — water vapor, carbon dioxide, and sulfur dioxide — bubble out of the magma as it rises, adding more pressure to the volcanic system, she explains.
Thriving in environments that lacked oxygen, they relied on compounds such as carbon dioxide, sulfur - containing molecules or iron minerals that act as oxidizing agents to break down food.
Krotkov and his team now are able to more accurately detect smaller sulfur dioxide concentrations, including those emitted by human - made sources such as oil - related activities and medium - size power plants.
The pollution is generally a mixture of gases — such as carbon monoxide, sulfur dioxide and nitrogen oxides — and particulate matter, microscopic solids or droplets that can be inhaled into the lungs.
«These effects include wasted resources, foregone revenue and outsized emissions of carbon dioxide as well as local pollutants such as sulfur oxides and nitrogen oxides.
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.
Satellite tracking showed sulfur dioxide being carried northeasterly over the Arctic Ocean as ash plumes spread to the southeast.
RGGI builds on the market known as the European Union Emissions Trading Scheme, which covers CO2 emissions from the E.U., as well as from the ongoing sulfur dioxide emissions market in the U.S..
With many sources of pollution in some parts of the world, however, air pollution also can contain a mix of hazardous gaseous molecules, such as carbon monoxide, formaldehyde, sulfur dioxide and other volatile organic compounds.
They analyzed ozone measurements taken from weather balloons and satellites, as well as satellite measurements of sulfur dioxide emitted by volcanoes, which can also enhance ozone depletion.
There, the sulfur dioxide rapidly combined with readily available hydroxide gas — which, in liquid form, is commonly known as hydrogen peroxide — to form more than 100 million tons of sulfuric acid.
He wonders whether megaplumes carry the gases of an eruption, such as carbon dioxide and methane and helium 3, as well as minerals such as sulfur and iron, to upper layers of the ocean where most plant and animal life resides.
They calculate that, around 3.9 billion years ago, erupting volcanoes emitted huge quantities of sulfur dioxide into the atmosphere, which eventually settled and dissolved in water as sulfidic anions — specifically, sulfites and bisulfites.
Using spectral readings from telescopes at the Keck Observatory in Hawaii, Hand has found high levels of oxidative chemicals such as sulfate, oxygen, sulfur dioxide and hydrogen peroxide on Europa's surface, which are produced as ionizing radiation from Jupiter scours it, splitting apart water molecules and sulfur compounds in the uppermost layers of its ice.
According to a World Bank report on environmental conditions in 21st - century China, a resident of Beijing is subjected to about seven times more particulates than a resident of Los Angeles and about eight times as much sulfur dioxide.
Free oxygen is not bound to another element, as are the oxygen atoms in other atmospheric gases like carbon dioxide and sulfur dioxide.
The precursors of acid rain formation result from both natural sources, such as volcanoes and decaying vegetation, and human - made sources, primarily emissions of sulfur dioxide and nitrogen oxide resulting from fossil fuel combustion.
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.
The oceans will boil away and the atmosphere will dry out as water vapor leaks into space, and temperatures will soar past 700 degrees Fahrenheit, all of which will transform our planet into a Venusian hell - scape choked with thick clouds of sulfur and carbon dioxide.
Jet engine exhaust contains carbon dioxide, oxides of sulfur and nitrogen, unburned fuel, soot and metal particles, as well as water vapor.
«It is therefore reasonable to expect that precipitation extremes will continue to intensify,» although how much is still a mystery, largely thanks to an unclear understanding of the atmospheric impact of how tiny flecks of pollution in the atmosphere — known as aerosols to scientists and comprising materials ranging from soot to sulfur dioxide.
And sulfur dioxide extracted from the coal will be converted into sulfuric acid and sold as well.
Ground - level ozone, sulfur dioxide, nitrogen dioxide carbon monoxide are especially harmful for senior citizens, children, and people with heart and lung conditions such as emphysema, bronchitis, and asthma.
The new study suggests that the impact may have released around three times as much sulfur and much less carbon dioxide compared with previous estimates from 20 years ago.
I criticized this statement, noting that the actual emissions from U.S. coal - burning power plants declined only from 16.1 million tons to 12.4 million tons between 1980 and 1998 in the case of sulfur dioxide and from 6.1 million tons to 5.4 million tons between 1980 and 1998 in the case of nitrogen oxides (mostly emitted as NO, not NO2, but by convention measured as tons of NO2 - equivalent).
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