Sentences with phrase «sulfur dioxide emissions»

More importantly, I've heard people arguing that the decreased warming is the result of increased sulfur dioxide emissions from Chinese coal.

However, while field measurements of sulfur dioxide emissions are increasing, they still remain too sparse to piece together a cohesive global picture.

Fine particles and sulfur dioxide emissions also must be reduced.

He led the effort to catalogue sulfur dioxide emissions sources from human activities and volcanoes and to trace emissions derived from the satellite observations back to their source by using wind data.

With daily observations, tracking sulfur dioxide emissions via satellite can also help with eruption forecasting.

Total sulfur dioxide emissions would increase in the near term due to sulfur content in coal.

Switching from coal to natural gas would reduce sulfur dioxide emissions by more than 90 percent and nitrogen oxide emissions by more than 60 percent.

According to a 2007 report by the Environmental Integrity Project, the Portland Generating Station was ranked fifth among the top 50 «dirtiest» power plants by sulfur dioxide emission rate.

The study used IIASA's GAINS model, along with emissions reports from countries, to calculate sulfur dioxide emissions for the entire world on a detailed regional scale.

Using a new satellite - based method, scientists at NASA, Environment and Climate Change Canada, and two universities have located 39 unreported and major human - made sources of toxic sulfur dioxide emissions.

That cap - and - trade system has cut sulfur dioxide emissions by 50 percent, and has saved electricity companies — and hence shareholders and ratepayers — some $ 1 billion per year compared with a conventional, non-market approach.

Concentrations of sulfate aerosols were especially high during these years before regulations like the Clean Air Act limited sulfur dioxide emissions that produce sulfate aerosols.

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..

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..

«We can use this to look at trends in sulfur dioxide emissions on the scale of an entire volcanic arc.»

The new study shows a decrease in global sulfur dioxide emissions since 2006, while emissions continued to increase in Asia.

Sulfate forcing is net negative throughout the century but this influence declines over time largely due to assumed increases in pollution control with income, although there are also indirect sulfur dioxide emissions reductions due to the greenhouse gas mitigation policy (Smith et al. 2005).

Compliance coal: A coal or a blend of coals that meets sulfur dioxide emission standards for air quality without the need for flue gas desulfurization.

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.

Slammed by bad publicity, Norilsk Nickel recently pledged money to reduce emissions, but the company admits that its goal to reduce annual sulfur dioxide emissions to 400,000 tons by 2015 is a long shot.

In a new study published in Scientific Reports this week, a team led by researchers from Michigan Technological University created the first, truly global inventory for volcanic sulfur dioxide emissions, using data from the Dutch - Finnish Ozone Monitoring Instrument on NASA's Earth Observing System Aura satellite launched in 2004.

Nitrogen oxide and sulfur dioxide emissions contribute to the formation of acid rain, which inhibits the ability of fish to survive in ponds and lakes.

There was also the global cooling scare in the 1970s, with high - profile scientists (including Obama's science advisor John Holdren) worried about sulfur dioxide emissions (from coal plants primarily).

Thus far, most existing Chinese stock exchanges have focused on broad environmental equities such as environmental technologies and emissions of conventional pollutants: companies with new pollution - control technologies can sell them on the exchange, with sulfur dioxide emission allowances being the major tradable pollution equity.

In June 1989, President George H. W. Bush proposed the use of a cap - and - trade system to cut by half sulfur dioxide emissions from coal - fired power plants and consequent acid rain.

«The conversion to natural gas will reduce CO2 emissions from the plant by 50 % and eliminate sulfur dioxide emissions.

Although sulfur dioxide emissions were higher than expected because of cycling, the study still found that over.all emissions were reduced by 14 % to 24 % in the scenarios with high amounts of wind and solar electricity.

Probable impacts of EPA's New Source Performance Standards on sulfur dioxide emission control standards are assessed.

Steadily improving air pollution controls have sent sulfur dioxide emissions from U.S. coal - fired power plants tumbling by more than 40 % and particulate emissions (the alleged cause of asthma) by more than 90 % since 1970, says air quality expert Joel Schwartz, even as coal use tripled.

For coal - fire boilers in thermal plants, the maximum allowed sulfur dioxide emission in the specially controlled regions is halved to 50 milligrams per cubic meter, from the 100 milligrams per cubic meter that is currently permitted in most of the country, said the report.

«A paper published today in Geophysical Research Letters finds that clean air laws which greatly reduced sulfur dioxide emissions explain 81 % of the «brightening» of sunshine and 23 % of the surface warming in Europe since 1980.»

Population aging and environmental quality in OECD countries: evidence from sulfur dioxide emissions data.

Sulfur dioxide emissions convert into sulfate aerosols in the atmosphere.

This pattern of warming and cooling in the U.S. may be part of a worldwide pattern: while most of the earth has warmed, the regions that are downwind from major sources of air pollution (specifically sulfur dioxide emissions) have generally cooled (Figure 1).

The impact of the solar project, which features SunPower solar panels, will include reductions in carbon dioxide emissions at 113,147 pounds per year, sulfur dioxide emissions at 479 pounds per year and nitrous oxide emissions at 189 pounds per year.

A NASA satellite discovers 39 unreported man - made sources of toxic sulfur dioxide emissions.

In Germany in the 1970s, when it was not yet scientifically proven that acid rain was killing the nation's forests, the government took the precautionary measure of cutting sulfur dioxide emissions.

Similar systems have already helped phase out lead from motor fuel, and have limited sulfur dioxide emissions, which cause acid rain.

Coal - fired power plants are the largest unregulated source of mercury, a potent neurotoxin, in the U.S.. They're also the major source of sulfur dioxide emissions in the U.S. which causes acid rain, haze in National Parks and Wilderness areas, and fine particulate matter which contributes to lung cancer, heart attacks, and even premature death.

Enron had banked on trading permits for carbon dioxide emissions, which would have been based upon the existing permit system for sulfur dioxide emissions from coal - burning electric power plants.

She worked for a year in Beijing developing chemical additives that would reduce sulfur dioxide emissions from flue gas.

The Dynegy Midwest Generation plant, a coal - burning power plant, had nearly 10,000 tons of sulfur dioxide emissions in 2010.

In any case, our past record of increased energy use has been accompanied by a seventeen-fold increase in carbon emissions, a thirteen-fold increase in sulfur dioxide emissions, and an eightfold increase in lead emissions to the atmosphere.