Sentences with phrase «emissions of sulfur dioxide»

Emissions of sulfur dioxide from power plants, it turned out, tend to combine with water downwind and produce flora - and wildlife - destroying sulfuric acid.

Gov. GEORGE W. BUSH: With the help of Congress, environmental groups and industry, we will require all power plants to meet clean air standards in order to reduce emissions of sulfur dioxide, nitrogen oxide, mercury and carbon bonoxide - carbon dioxide, within a reasonable period of time.

For example, in 1990, Congress amended the Clean Air Act to limit emissions of sulfur dioxide and nitrogen oxides, which are major sources of fine particulates.

They will learn how clean coal technology has reduced emissions of sulfur dioxide, nitrogen oxide and particulate matter, how utility mercury emissions will be cut, and how carbon capture and storage will reduce emissions of carbon dioxide.»

A new report evaluating air pollution trends at the nation's 100 largest electric power producers shows that emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) have fallen markedly in recent years, but carbon dioxide (CO2) emissions increased and will likely spike in coming years.

Requires the Administrator of the Environmental Protection Agency to: (1) promulgate performance standards (limiting emissions of sulfur dioxide, nitrogen oxides, particulate matter, and mercury) for new boilers, integrated gasification combined cycle plants, and combustion turbines; and (2) conduct a comprehensive research and environmental assessment program to enhance understanding of health and environmental effects of particulate matter and mercury and to demonstrate the efficacy of emission reductions under this Act.

The $ 30 million overhaul was made without installing, as required under the New Source Review requirements of the Clean Air Act, the best available technology to minimize emissions of sulfur dioxide and nitrogen oxides — pollutants that harm human health by contributing to heart attacks, breathing problems, and other health problems, the suit alleges.

Over months of contentious debate, while the Waxman - Markey bill and subsequent Senate action were being considered, millions of Americans were introduced for the first time to the phrase «cap and trade,» a regulatory approach that first came to prominence in the 1990s as the centerpiece of a national program to address the threat of acid rain by limiting emissions of sulfur dioxide (SO2), primarily from electric power plants.

The new study, published last week in the journal Environmental Research Letters, showed that emissions of sulfur dioxide, a common air pollutant released during coal and fossil fuel combustion, increased from 2000 to 2006, after which they started to decline.

While this number is higher than the previous estimate made in the late 1990s based on ground measurements, the new research includes data on more volcanoes, including some that scientists have never visited, and it is still lower than human emissions of sulfur dioxide pollution levels.

In fact, however, total emissions of sulfur dioxide were slightly lower in 1970 (15.8 million tons) than in 1980, and total emissions of nitrogen oxides were much lower (3.9 million tons).

An analysis of 27 states found that, on average, summer emissions of sulfur dioxide (SO2), nitrogen oxides (NOx) and carbon dioxide (CO2) go up by hundreds to thousands of metric tons per degree Celsius increase.

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.

Altogether, the unreported and underreported sources account for about 12 percent of all human - made emissions of sulfur dioxide — a discrepancy that can have a large impact on regional air quality, said McLinden.

Fig. 3: The coloured area is where ALMA detected emission of sulfur dioxide molecules toward G345.4938 +01.4677.

In response, the IPCC added a cooling factor to its models of the atmosphere, consisting of tiny aerosol particles produced by the emission of sulfur dioxide from electric power plants.

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.

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.

Both released harmful emissions of nitrous oxides and sulfur dioxide into the air in violation of air emission standards.

«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.

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.

Pollution is a concern too: Shipping is responsible for 3 percent of global carbon dioxide emissions, similar to the airline industry, along with substantial particulates and sulfur dioxide.

«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.

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.

Emissions of nitrogen dioxide and sulfur dioxide, the main sources of acid rain pollution, also fell by 38 percent and 14 percent, respectively.

Under that program, power plant owners who installed equipment to scrub the sulfur dioxide out of the emissions from their smokestacks could then sell for a profit any leftover allowances to other polluters unable or unwilling to make the pricey upgrades.

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.

Researchers at NASA's Goddard Space Flight Center in Greenbelt, Maryland, are using already available satellite measurements of sulfur dioxide (SO2), a main components of volcanic emissions, along with the more recent ability to map the location and vertical profiles of volcanic aerosols.

Many of his mistakes are big ones: he bungles the issues involving reserves and resources that are critical to his core argument about oil remaining cheap; he drastically misleads his readers about the extent to which sulfur dioxide and nitrogen oxide emissions from coal - burning have been reduced; he trivializes the climate - change risks from coals carbon dioxide emissions by suggesting we know the impacts will be worth only 0.64 cents per kilowatt - hour.

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 policy document also set new targets for the closure of coal - fired heating systems as well as the installation of equipment to reduce sulfur dioxide and nitrogen oxide emissions at power stations, steel mills and cement plants.

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.»

Specifically, two petitions filed by the New Jersey Department of Environmental Protection (NJDEP) with the EPA against a Pennsylvania power plant — the Portland Generating Station (PGS)-- show that sulfur dioxide (SO2) emissions from the plant have reached four New Jersey counties as far as 20 to 30 miles away.

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.»

If so, then the reduction of sulfur dioxide (& sulfuric acid) from cleaning up our human emissions, would also have an effect of allowing more methane into the atmosphere.

One of those new laws mandates that by 2003 older power plants must reduce their emissions of nitrogen oxide (by 50 %) and sulfur dioxide (by 25 %).

This is more than the capturing of 41 percent of sulfur dioxide and 90 percent of mercury emissions called for by the new mercury and air toxic standards (MATS) issued by the EPA in December 2011.

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 last decade of global anthropogenic sulfur dioxide: 2000 — 2011 emissions.

A result of PVMBG of sample gas sampling on the crater by drone, show a drop in SO2 (sulfur dioxide) emissions from about 5,000 tonnes per day during the period of 25 and 29 November to 40 to 200 tonnes per day from 13 to 15 December.

If so, then the reduction of sulfur dioxide (& sulfuric acid) from cleaning up our human emissions, would also have an effect of allowing more methane into the atmosphere.

One of those new laws mandates that by 2003 older power plants must reduce their emissions of nitrogen oxide (by 50 %) and sulfur dioxide (by 25 %).

For the past ten years the plant has been operating without the level of emissions controls to limit sulfur dioxide and nitrogen oxide emissions as stipulated in the Clean Air Act.

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.

Once we adopt the perspective that it is unacceptable to use the atmosphere as a sewer, we will address issues related to all sorts of emissions: sulfur, black carbon, methane, carbon dioxide, etc..