Sentences with phrase «form smog»

Recent scientific studies reveal that, in addition to methane, the oil and gas industry is also responsible for emitting other hazardous air pollutants, including Volatile Organic Compounds (VOCs), which can form smog, and Benzene, which can cause cancer.

When these oxides combine with hydrocarbons in the air it will form smog.

The most recent evidence was the White House decision Friday to hold off on tightening standards for air pollutants that form smog.

Not exact matches

The result is ammonium nitrate and ammonium sulfate, molecules that condense with others of their kind, plus water, to form tiny particles in the air that absorb sunlight and block visibility — smog.

Along with carbon pollution, coal - fired power plants spew pollutants that form ground - level ozone, or what we know as smog.

The state is pursuing a claim that it violates state limits on smog - forming chemicals in consumer products, with a hearing scheduled for next month.

Some experiments could have a very practical payoff, he says: a better understanding of how noxious aerosols — a component of smog that plagues cities like Beijing and New Delhi — form and degrade in the atmosphere.

But the greatest drop in smog - forming pollutants — and greatest gains in crop yields — came from policies such as the Clean Power Plan.

While the documents show API learned of potential climate change risks as early as 1968 and had formed committees to examine smog pollution in the 1940s, Exxon CEO Lee Raymond said in November 1996 that climate science was unsettled.

And while ozone high in the atmosphere helps shield Earth from the sun's ultraviolet radiation, at ground level, it mixes with fine particulates to form breath - choking smog.

The Methods: Photochemical modeling by a Caltech team indicates that ethane, a hydrocarbon detected on Titan by both of the Voyager spacecraft and the European Infrared Space Observatory, is created when solar ultraviolet light breaks down methane, a minor component of Titan's nitrogen - rich atmosphere, into a stew of organic molecules that form a dense orange - brown smog.

Hunten contends that molecules of ethane can't form droplets, so they instead cling to smog particles in Titan's atmosphere.

EPA's 2001 highway diesel rule required manufacturers to steeply cut engine emissions of soot - and smog - forming pollutants for engines sold after January 2007.

Smog - forming emissions are a result, but so are greenhouse gases.

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.

The high temperature operation of conventional gasoline and diesel engines forms nitrogen oxides — the key source of smog.

In 1989, for example, the Office of Technology Assessment — a now - defunct, nonpartisan science adviser to Congress — reported many U.S. metropolitan areas had not met their goals for controlling smog - forming ozone in part because of inaccurate emission inventories.

Federal and state officials should step up and promote measures that limit methane, toxic pollution and smog - forming agents, the report concludes.

Like vehicles and power plants, trees emit airborne chemicals called volatile organic compounds (VOCs), which in the presence of sunlight react with nitrogen oxides in vehicle fumes to form ozone, one of the components in smog that makes it a health threat.

An influx of pollution from Asia in the western United States and more frequent heat waves in the eastern U.S. are responsible for the persistence of smog in these regions over the past quarter century despite laws curtailing the emission of smog - forming chemicals from tailpipes and factories.

Despite a 50 percent cut in smog - forming chemicals such as nitrogen oxides, commonly known as «NOx,» over the past 25 years, ozone levels measured in rural areas of the west have actually climbed.

Smog can form in almost any climate where industries or cities release large amounts of air pollution.

Ozone levels have increased in the west, as indicated by the red circles, despite a 50 percent reduction in the emission of smog - forming pollutants.

The researchers estimate that cutting those 14 together could avoid between 700,000 and 4.7 million premature deaths (largely from smoky, unhealthy air) and increase crop yields by between 30 million and 135 million metric tons (due to concomitant reductions in ground - level ozone, otherwise known as smog, which forms from fugitive methane and blights crops in Brazil, China, India, the U.S. and elsewhere).

And sky glow is made worse by other forms of pollution such as dust and particles of smog, which scatter the light.

Particulates, ozone and smog coupled with extreme temperatures form a more dangerous health threat than these problems would be individually, researchers have found.

Smog forms when a mixture of pollutants from industrial facilities, power plants, motor vehicles and other sources react in sunlight.

«Ozone develops in the atmosphere from gases that come out of tailpipes, smokestacks and many other sources,» reports ALA. «When these gases come in contact with sunlight, they react and form ozone smog.»

AQMD's Sam Atwood attributed the increase in bad air days to weather patterns, noting that overall, smog - forming emissions continue to decline.

The aforementioned scenario only applies if local emissions of smog - forming gases continue under current rates.

Smog hanging over cities is the most familiar and obvious form of air pollution.

The stagnant air caused by heat and humidity tends to trap airborne pollutants, such as car exhaust, which react in the presence of sunlight to form ozone, a main ingredient in smog.

We're all exposed to estrogen - mimicking chemicals, known as xenoestrogens, from conception on, in the form of plastics, pesticides, industrial pollution, smog, fake fragrances (e.g. so - called air fresheners, scented laundry products, perfumes), body care products (e.g. lotions, shampoos, cologne, hair gel), carpeting, fiberboard cabinets and furniture and on and on.

The redesigned label provides expanded information to American consumers about new vehicle fuel economy and fuel consumption, greenhouse gas and smog - forming emissions, and projected fuel costs and savings, and also includes a smartphone interactive code that permits direct access to additional web resources.

The group ranks automakers U.S. auto fleet by overall performance of smog - forming emissions and greenhouse gas emissions.

It will also emit 66 % fewer smog - forming emissions than the average new vehicle.

Rated as a Super Ultra Low Emission Vehicle (SULEV), 3 Prius c produces fewer smog - forming emissions than an average gasoline - powered new vehicle.

It's one of the first luxury vehicles to achieve this strict standard, producing about 90 percent fewer smog - forming emissions than typical new vehicles.

The company says V -6-powered Explorers have 74 percent less smog - forming emissions than the previous model and are certified to have the same low emissions as the Ford Escape and Mercury Mariner gasoline - electric hybrids.

In response, the Subaru PZEV sets new, clean standards for gasoline engines, virtually eliminating the creation of smog - forming pollutants.

It also saves time by doing away with unscrewing and replacing a fuel - filler cap and provides a better seal, cutting down the emissions of smog - forming vapors.

The hazy patchworks of light and shade formed by his plasters mutate into the soft smog of an out - of - focus picture.

Smog hanging over cities is the most familiar and obvious form of air pollution.

The large works that have occupied him since 1969 are, in brief: Hubris, commissioned for the University of Hawaii at Manoa, one of Smith's most open and regular pieces to date, which consists of a two - section, 9 - by - 9 grid in black concrete, one half thin slabs at ground level, the other half the same grid raised to 3 feet 3 inches by a four - sided pyramidal module; Batcave, a complex environmental interior designed to «mold space and light» rather than material form, at the Osaka World's Fair, a new version of which will be shown soon at the Los Angeles County Museum; a gigantic triangular sculpture inserted into a Californian mountainside; a labyrinthine water garden for a delta; Smog, a huge new horizontal piece made from the dismantled components of Smoke (which was made for the Corcoran's «Scale as Content» show, 1967); Haole Center, a sunken square «pavement» within a square stone sculpture, with a metal ladder leading down below the earth's surface; two related monumental sculptures on platforms (Arch and Dial); and a flat 81 - block grid proposed for downtown Minneapolis.

The standards we recommend in this report would also significantly reduce emissions of other air pollutants, specifically smog - forming volatile organic compounds and toxic pollutants like benzene that cause cancer and are associated with a host of other health problems.

Methane standards would cut up to ten times more methane and four times more smog - forming pollutants compared to other policy approaches available to EPA, because more sources would be reached.

Various Updates In a move that environmental campaigners had sought for years (as had I), the Environmental Protection Agency has issued final rules that could substantially cut emissions of heat - trapping methane, smog - forming volatile organic compounds and toxic air pollutants such as benzene from new, rebuilt or modified oil and gas wells and other infrastructure and operations.

Photo: Public domainOther Truck Fleets, Pay AttentionDid you know that replacing a pre-1994 diesel truck (or at least the engine) with a 2004 - 2006 model could cut soot pollution by about 2/3, and reduce smog - forming nitrogen oxides (NOx) emissions by

as has been noted, clean coal is a catch - all phrase that refers to various technologies intended to reduce coal pollutants — such as smog forming chemicals and greenhouse gases.

Nitrogen oxide, in the presence of sunlight, reacts with other chemicals to form ozone smog, which contributes to health problems including chest pain, shortness of breath, coughing, and increased vulnerability to respiratory conditions such as asthma.