Sentences with phrase «of sulfur dioxide pollution»

Collectively, a total of 2,011 megawatts (MW) of coal - fired power will retire as part of the settlement, removing almost 12 million tons of climate - disrupting carbon pollution and nearly 84,000 tons of sulfur dioxide pollution that the three coal - fired power plants spew into the air each year.

For each ton of sulfur dioxide pollution, or SOx, the health damage ranges from $ 6,000 to $ 50,000 per ton, with a median rate of $ 19,000.

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.

Not exact matches

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.

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.

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.

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

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.

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.

Whether it's physical shipments of the fossil fuel or the buying and selling of the permits for the pollution that burning it causes — Evolution's first trade was a sulfur dioxide allowance between Enron and Dynegy in February of 2000 — the brokerage makes its living on coal.

«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.

According to the World Health Organization, most significant constituents of air pollution include particulate matter (PM), ozone, nitrogen dioxide, and sulfur dioxide.

Air pollution control devices called scrubbers use a sprayed slurry of ground limestone and water to remove sulfur dioxide from gases formed in coal combustion, said Tom Schmaltz, environmental director for Headwaters Resources, a world leader in coal combustion products.

According to data from the U.S. Environmental Protection Agency (EPA), levels of all major air pollution contaminants (ozone, nitrogen oxides, carbon monoxide, sulfur dioxide, particulate matter and lead) are down significantly since 1970; carbon monoxide levels alone dropped by more than 70 percent.

Sulfur dioxide is a major component of particulate pollution, can cause heart and lung problems, and forms acid rain.

The Usnea harvested for our tincture is from an altitude of 5,000 feet that is isolated from sulfur dioxide pollution.

Each displays the average sulfur dioxide content of the atmosphere over three years, with the brightest red showing the worst pollution levels.

Of course, the plant that was closed in Tongliang lacked basic pollution control equipment to limit the emission of pollutants like carbon dioxide, sulfur dioxide, nitrogen oxide and particulate matteOf course, the plant that was closed in Tongliang lacked basic pollution control equipment to limit the emission of pollutants like carbon dioxide, sulfur dioxide, nitrogen oxide and particulate matteof pollutants like carbon dioxide, sulfur dioxide, nitrogen oxide and particulate matter.

The main sources of air pollution — nitrous dioxide, sulfur dioxide, carbon monoxide, and lead — have all decreased between 46 percent and 92 percent since 1980 (see chart below).

In the 1980s, tradable - permit systems were used to accomplish the phasedown of lead in gasoline -(at a savings of about $ 250 million per year), and to facilitate the phaseout of ozone - depleting chloroflourocarbons (CFCs); and in the 1990's, tradable permits were used to implement stricter air pollution controls in the Los Angeles metropolitan region, and — most important of all — a cap - and - trade system was adopted to reduce sulfur dioxide (SO2) emissions and consequent acid rain by 50 percent under the Clean Air Act amendments of 1990 (saving about $ 1 billion per year in abatement costs).

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.

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.

And the lower - than - expected cost of sulfur dioxide regulation mostly resulted from technological changes that occurred well before the establishment of pollution trading: rail deregulation allowed for the economic shipment of low - sulfur coal, and the development of cheaper scrubbers.

TXU also promised to cut emissions of pollutants including sulfur dioxide and nitrogen oxide and mercury by 20 percent, saying it would spend $ 500 million on equipment to control pollution at three of its existing coal - fired units in Texas.

The bill would amend the Clean Air Act to exclude regulation of carbon dioxide, water vapor, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride pollution.

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.

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.

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.

The communities along this corridor have long faced health impacts and pollution from these refineries, and the pollution is only getting worse as the refineries accept and process tar sands crude, which exposes residents to even greater levels of toxic chemicals, particulate matter, sulfur dioxide, lead, carbon dioxide, and other harmful pollutants.

The EPA's «notice of violation,» said improvements PGE made to Boardman in 1998 and 2004 boosted pollution and should have triggered expensive pollution controls for sulfur dioxide, a contributor to acid rain.

On April 9, 2003 the U.S. Department of Justice and the U.S. EPA announced a settlement agreement with Alcoa Inc. for an estimated $ 330 million to install a new coal - fired power plant at its aluminum production facility in Rockdale, Texas with upgraded pollution controls to help eliminate sulfur dioxide (SO2) and nitrogen oxide (NOx) emissions.

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).

Rights - of - way on public lands result in landscape and habitat fragmentation, while coal combustion produces a number of gaseous byproducts, including CO2, nitrogen dioxide, sulfur dioxide, and methane — which exacerbate climate change and are associated with ground - level ozone (smog), air pollution, and acid rain.

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.

Coal - fired power plants are the nation's largest source of mercury, sulfur dioxide (SO2) pollution, carbon pollution and many other deadly pollutants that can trigger heart attacks and contribute to respiratory problems.

For example, according to the National Energy Technology Laboratory (NETL), a new pulverized - coal plant (operating at lower, «subcritical» temperatures and pressures) reduces the emission of NOx (nitrogen oxides) by 86 percent, SO2 (sulfur dioxide) by 98 percent, and particulate matter by 99.8 percent, as compared with a similar plant having no pollution controls.