Sentences with phrase «sulfur dioxide»

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

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

And the same approach that brought a decline in sulfur dioxide emissions can have an equally dramatic and permanent effect on carbon emissions.

Of course, this does not mean that aerosols such as sulfur dioxide do not have negative effects on the environment.

Those additional controls have reduced sulfur dioxide and nitrogen oxide emissions by 70 percent, while electricity generation has increased 40 percent.

According to the study, regional emissions dropped 65 percent for nitrogen oxide, 92 percent for sulfur dioxide and 35 percent for carbon dioxide between 2005 and 2014.

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.

The current seems to connect through clouds of sulfur dioxide gas shooting up out of volcanoes at these points.

Coal - fired power plants, in addition to their tremendous impact on the earth's climate, also release dangerous toxic pollutants like sulfur dioxide and mercury into the air and water.

Another report published that year found that under cap and trade, sulfur dioxide pollution traveled from rural to urban areas, where it could enter the lungs of a larger number of people.

The group posts daily updates on sulfur dioxide levels.

Most greens will, in the end, support weak cap and trade legislation because a cap and trade law on sulfur dioxide reduced acid rain in the»90s.

Acid rain can occur naturally after volcanic eruptions, forest fires and other events that release sulfur dioxide into the atmosphere.

The camera can detect sulfur dioxide and other major pollutants that are invisible to the human eye.

Another intriguing piece of evidence comes from measurements of sulfur dioxide concentrations in the atmosphere, which were found to drop by a factor of ten between 1978 and 1986.

Amid clouds of toxic sulfur dioxide gas, he carries heavy loads up a steep, rocky path from the crater floor to the rim, then to a distant weigh - station.

The sulfur would have mixed with the atmosphere during the eruptions, forming sulfur dioxide, which was very effective at blocking solar radiation when it reached the upper layers of the atmosphere.

Current, sulfur dioxide monitoring activities include the use of emission inventories that are derived from ground - based measurements and factors, such as fuel usage.

New research has detected smaller sulfur dioxide concentrations and sources around the world, including human - made sources such as medium - size power plants and oil - related activities.

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

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

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.

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

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

Almost a quarter of the nation's coal - fired power plants lack controls limiting emissions of dangerous sulfur dioxide.

In order to maintain temperature reduction, sulfur dioxide injection would also have to be maintained.

A cap - and - trade system worked for sulfur dioxide.

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

Is a cap - and - trade program along the lines of the model used to reduce sulfur dioxide the right way to go?

Within 24 hours of the blackout, sulfur dioxide levels dropped by 90 percent, and ozone declined by 50 percent.

An increase in sulfur dioxide and nitrogen oxide emissions would take a toll on human health.

Burning coal releases sulfur dioxide, nitrogen dioxide, and other pollutants into the atmosphere.

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

200 million tons of sulfur dioxide was shot up into the stratosphere.

Such hazes are created when water vapor is lifted by an unknown process with sulfur dioxide from lower levels into the planet» upper atmosphere, where it is broken down by sunlight into molecules that recombine into volatile sulfuric acid.

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.

Health concerns with sulfur dioxide plumes are ongoing in communities on the slopes of persistently degassing volcanoes like Kilauea in Hawaii and Popocatepetl in Mexico.

Such cap - and - trade programs have already cut acid rain — causing sulfur dioxide pollution from power plants.

Human activities emit about two times as much sulfur dioxide into the atmosphere, according to co-author Vitali Fioletov, an atmospheric scientist at Environment and Climate Change Canada in Toronto, Ontario.

When sulfur dioxide emitted by a volcano rises up to the stratospheric aerosol layer of the atmosphere, it undergoes chemical reactions, forming particles that reflect sunlight back into space instead of letting it get to the surface of the planet.

«Coal - fired power stations produce sulfur dioxide which causes...» 4.

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.

Massive sulfur dioxide plumes from Kilauea volcano are shown here in yellow and green.

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.