Sentences with phrase «of sulfur emitted»

Tom M. L. Wigley, a highly esteemed climate scientist at the National Center for Atmospheric Research (NCAR), ran scenarios of stratospheric sulfate injection — on the scale of the estimated 10 million tons of sulfur emitted when Mt. Pinatubo erupted in 1991 — through supercomputer models of the climate, and reported that Crutzen's idea did, indeed, seem feasible.

Authors of the study are now suggesting that the levels of sulfur emitted at the time may have been as much as three times more than we assumed.

Not exact matches

While U.S. power plants have limits on other air - born pollutants — like nitrogen and sulfur oxides that cause acid rain — there haven't been limits, until now, on the levels of carbon dioxide emissions that power plants can emit.

Its coke facility emitted another 1,900 tons of sulfur dioxide and 500 tons of particulates.

And all of that production means that China is bearing the burden of the pollution that can go along with the manufacture of such renewable energy for other countries — whether the acid rain — forming sulfur dioxide emitted from making the steel in a wind turbine's blade or the noxious chemicals left over after manufacturing specialized silicon, or glass, that can turn sunshine into electricity.

It also emitted 33,400 tons of sulfur dioxide and nitrogen oxides, which are linked to asthma attacks and other respiratory problems.

Within the X-ray glow, Reeves and his colleagues discerned radiation emitted at energy levels associated with several specific elements, including magnesium, silicon, sulfur, argon, and calcium — a mix of ingredients similar to that cast out from a supernova explosion.

That sulfur dioxide market, run by the U.S. Environmental Protection Agency (EPA), has reduced sulfur dioxide levels by 40 percent since 1992 by allowing companies to buy and sell the right to emit the acid - rain forming pollution from coal - burning plants, which has increased the acidity of lake waters throughout the region.

Despite its smaller ash cloud, El Chichn emitted more than 40 times the volume of sulfur - rich gases produced by Mt. St. Helens, which revealed that the formation of atmospheric sulfur aerosols has a more substantial effect on global temperatures than simply the volume of ash produced during an eruption.

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.

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.

Norilsk factories also emit 2 million tons of acid rain — causing sulfur dioxide per year, roughly 1 percent of all that is emitted worldwide.

Burney is examining a similar trade - off between sulfur and black carbon in the United States, as coal - fired electricity plants shift to cleaner natural gas, which emits half as much CO2 as coal per unit of electricity.

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).

The researchers say that the first of the two NJDEP's petitions shows that the 30,465 tons of sulfur dioxide emitted by the plant in 2009 was more than double the sulfur dioxide emissions from all power - generating facilities in New Jersey combined.

Carn and his team found that each year volcanoes collectively emit 20 to 25 million tons of sulfur dioxide into the atmosphere.

Re the Chaiten eruption, from what I've read, a volcano needs to emit at least 1 million tons of sulfur dioxide into the stratosphere to have an effect on global temperature.

Re the Chaiten eruption, from what I've read, a volcano needs to emit at least 1 million tons of sulfur dioxide into the stratosphere to have an effect on global temperature.

The largest single source of this acid was considered to be the sulfur dioxide emitted by the metal smelters of Sudbury, Ont.

However, the majority of coal - fired power stations in operation is relatively old and emits large quantities of smoke, carbon dioxide and sulfur, making China the world's single largest emitter of greenhouse gases globally.

Natural gas is much more environmentally friendly than coal, which continues to be the mainstay of electricity production around the world and in the U.K. Gas emits less than half the CO2 per kilowatt hour produced, and it emits much lower amounts of other pollutants like nitrous oxide, sulfur dioxide, black carbon, carbon monoxide, mercury, and particulates.

An analysis of emissions prepared for the lawsuit shows that the three plants emit nearly 200,000 tons of sulfur dioxide and nitrogen oxide every year.

Sulfuric acid (H2SO4), formed from oxidation of sulfur dioxide (SO2) emitted during fossil fuel combustion, is a major precursor of new airborne particles, which have well - documented detrimental effects on health, air quality, and climate.

But China also emits a significant amount of GHGs besides carbon dioxide — methane, nitrous oxide, hydrofluorocarbons (HFCs), perfluorocarbons, sulfur hexafluoride and nitrogen trifluoride — collectively referred to as non-CO2 GHG emissions.

fiber fuel burns cleaner that coal, emitting only 2 percent Sulfur and lower carbon dioxide... reduction of sulfur and nitrous oxide emissioSulfur and lower carbon dioxide... reduction of sulfur and nitrous oxide emissiosulfur and nitrous oxide emissions....

In the years prior to 1985, several publications reported the scientific consensus that acid rain emitted by coal - fired electricity generation plants belching sulfur dioxide was destroying vast swathes of forests and lakes in the eastern United States.

The Sulfur Dioxide Analyzer measures sulfur dioxide based on absorbance of UV light at one wavelength by SO2 molecules which then decay to a lower energy state by emitting UV light at a longer wavelSulfur Dioxide Analyzer measures sulfur dioxide based on absorbance of UV light at one wavelength by SO2 molecules which then decay to a lower energy state by emitting UV light at a longer wavelsulfur dioxide based on absorbance of UV light at one wavelength by SO2 molecules which then decay to a lower energy state by emitting UV light at a longer wavelength.

However, it is emitted together with a range of other particle pollutants, including organic carbon, sulfur and other chemicals, some of which have a cooling effect, typically by reflecting sunlight.

Contribution of volcanic eruptions: big volcanic eruptions emit great quantities of SO2 (sulfur dioxide) that form with water vapor sulfate droplets that are lifted by the eruptive column to the stratosphere where they are carried by winds all over the world.

Myhrvold and Wood also worry that it would make people complacent about continuing to emit GHGs instead of using the sulfur straw as a short - term solution.

While the EPA has, under the Clean Air Act put federal limits on toxic emissions of arsenic, mercury, and lead pollution that power plants emit — as well as on pollutants like sulfur dioxide and nitrogen oxides — there are currently no such limits on the carbon emissions from new or existing power plants.

When black carbon is emitted, so is all sorts of other stuff, like sulfur dioxide and organic carbon.

Better air quality: If the same amount of electricity as that generated by America's 10,000 - MW wind turbine fleet were instead produced using the average utility fuel mix, it would emit 73,000 tons of sulfur dioxide and 27,000 tons of nitrogen oxide per year, as well as other pollutants such as mercury.

Data for anthropogenic sulfur emissions (21) are calculated using measures of economic activity that emit sulfur (see SI Appendix: Section 1).

Increase genset efficiency by lowering fuel cost and reducing the amount of Sulfur and CO ₂ emitted.

In this model, a limited number of licenses to emit a specified pollutant, like sulfur dioxide, are issued.

That sulfur dioxide market, run by the U.S. Environmental Protection Agency (EPA), has reduced sulfur dioxide levels by 40 percent since 1992 by allowing companies to buy and sell the right to emit the acid - rain forming pollution from coal - burning plants, which has increased the acidity of lake waters throughout the region.

To calculate possible benefits of policy action, the study provides «maximum feasible reduction scenarios» that take into account the incorporation of emissions control technologies such as seawater scrubbers that absorb sulfur dioxide emitted during the burning of diesel fuel.

«So the sulfur fuel regulations have the indirect effect of reducing the organic particles emitted.»

The refinery was slated to emit more mercury, selenium and sulfur flare gas than before, in addition to as much as 900,000 tons of additional greenhouse gases per year.