Sentences with phrase «sulfur dioxide emission»

According to the EPA Clean Air Markets Division, over the twenty year period 1997 to 2016, the sulfur dioxide emission rate dropped 98 % from 0.83 to 0.017 lbs per mmBtu.

When I retired in 2010, the sulfur dioxide emission rate was 0.527 lbs of SO2 per mmBtu (81 % reduction) and the nitrogen oxide emission rate was 0.159 lbs of NOx per mmBtu (73 % reduction).

The earliest sulfur dioxide and nitrogen oxides data I have for those two plants is from 1984 when the sulfur dioxide emission rate was 2.04 lbs of SO2 per mmBtu and the nitrogen oxide emission rate was 0.56 lbs of NOx per mmBtu.

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.

May be this partly explains the slight slowdown in warming during the last decade, this is however uncertain because the sulfur dioxide emission for the last 5 years are not available.

Fig. 3 suggests that modern countries in North America, Europe, South East Asia, Australia and New - Zealand greatly reduced their sulfur dioxide emission.

How could their possible be little impact from CO2 and sulfur dioxide emission with all of the consequences of an eruption?

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.

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.

To settle a Clean Air Act lawsuit brought by the state attorney general's office, NRG agreed last year to shut down four of its units at Tonawanda and to reduce its sulfur dioxide emissions by 80 percent.

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.

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

Simon Carn studies carbon dioxide and sulfur dioxide emissions from volcanoes using remote sensing.

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.

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..

Earlier this year, Kilauea volcano on Hawaii's largest island piped up with explosive eruptions and toxic sulfur dioxide emissions, sending U.S. Geological Survey (USGS) scientists scrambling to predict the volcano's next move and whether neighboring villagers would be in harm's way.

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.

«Living downwind of coal - fired power plant could increase risk of low birth weight: Study found that babies born during 1990 - 2006 to mothers living as far as 20 to 30 miles away from proven emitter of sulfur dioxide emissions had 6.5 percent greater risk of low birth weight and 17.12 percent greater risk of very low birth weight.»

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

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

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.

Until the 2000s, when emissions started to rise again, sulfur dioxide emissions had generally declined since the 1970's because of emission controls spurred by national regulation and international agreements.

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.

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

Already, CAIR has reduced sulfur dioxide emissions in Virginia from 216,000 tons annually to 136,000 tons in 2010.

In the United States and Europe, sulfur dioxide emissions have been substantially cut, but only in the last several decades and after the specter of acid rain gained front - page status.

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.

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;

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

The goal was to reduce sulfur dioxide emissions by 90 percent, and nitrogen oxides by 72 percent by 2030.

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.

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

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.

In 2005, George W. Bush's EPA issued the Clean Air Interstate Rule, aimed at achieving the largest reduction in air pollution in more than a decade, including reducing sulfur dioxide emissions by a further 70 percent from their 2003 levels.

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.

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.

would let a plant meet clean air act goals without scrubbers or other pollution control equipment,...» A coal flue scrubber removes 90 percent of the sulfur dioxide emissions from the burning of coal.

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.

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.

The new power link will supply enough capacity to meet the annual power consumption needs of over 10 million people, and will significantly help reduce coal consumption in the region, thus mitigating intense carbon dioxide and sulfur dioxide emissions.

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

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.

Only when the trends for human - induced heat - trapping gases, sulfur dioxide emissions, soot, ozone, and land use changes are also included do the hindcast model results (Figure 3) and the recorded reality match up.

The answer is that CO2 is only one of several factors that influence temperature, such as volcanic eruptions, solar variability, sulfur dioxide emissions (see Figure 1), and small changes in the earth's orbit.

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).

Domestic utilities that have added scrubbers can burn high - sulfur coal while remaining in compliance with recent requirements to reduce sulfur dioxide emissions.

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

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.

United States sulfur dioxide emissions in 1970 31.2 million tons but were only 2.7 million tons in 2016 (91 % reduction).

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