Ozone from air pollutants may increase the risk of preeclampsia, a potentially dangerous pregnancy condition.
The existing guidelines on acceptable concentrations of various air pollutants were set in 1987.
Ertel, 40, heads Evolution Markets, which sells chits that companies use to offset their emissions of air pollutants.
Harmful air pollutants in the United States, he adds, have fallen by 70 percent in the last two decades.
The ruling rejected a position taken by the EPA during the Bush-Cheney administration that CO2 greenhouse gases were not air pollutants.
Preventing leaks also cuts back on other air pollutants associated with gas production and use, including such volatile organic compounds as ethane and butane.
But paper production consumes massive amounts of fresh water, pollutes the water it doesn't use and is a major generator of hazardous air pollutants.
Today the Obama administration tightened oil and gas industry regulations, forcing drillers to capture air pollutants released during well construction including during hydraulic fracturing (fracking) in new wells.
He says the Clean Air Act, which is designed to regulate traditional air pollutants, is the "wrong horse" for regulation of CO2 and other greenhouse gases.
These are the first national standards to require use of modern control technologies to reduce mercury, arsenic, lead, hydrochloric acid and other hazardous air pollutants from coal plants.
WHITEHOUSE: Energy and Environment Latest News | The White House
When environmental activists claim air pollutants kill thousands of Americans each year and sicken still thousands more, their claims ring hollow when they oppose a cost-effective, environmentally friendly solution.
FORBES: The Sierra Club Fails An Environmental Consistency Test
The EPA rule stirring the most anxiety will be proposed this week: It seeks to reduce emissions of toxic air pollutants, including mercury, which can cause neurological disorders in children.
Chockablock with heavy metals, chemical waste, air pollutants and, in the case of infamous Chernobyl, Ukraine, deadly radiation, these are the worst industrial cesspools on earth--and they rarely make headlines.
"Birds have very intensive breathing, and such extreme levels of air pollutants have definitely affected them, " he said, explaining that it was possible for birds to basically drop dead from the skies.
"Fewer fireworks have helped to decrease air pollution in some Chinese cities, but high readings of air pollutants have made many wonder if greater efforts need to be made, " Xinhua news agency comments.
The debate surfaced a policy difference on the so-called mercury standard, EPA regulations to limit mercury and other air pollutants from power plants that have been linked to childhood asthma and other health problems.
More general areas included are what percentage of the population voted and how many trust Parliament, the state of the economy and the environment - the latter measured in part using greenhouse gas emissions and air pollutants.
The flaring of natural gas, which often accompanies oil production, produces an array of air pollutants, and leaks and spills release toxins ranging from volatile chemicals, like benzene (a known carcinogen), to much heavier compounds, like benzopyrene (another known carcinogen).
"The text of the Clean Air Act makes plain that Congress intended it as a measure to 'clean' the air of pollutants, not to alter the overall composition of the Earth's atmosphere, " argues the Alliance of Automobile Manufacturers, an auto industry lobbying group, in a brief.
The town's Exeter Road and High Street were both found to have unacceptably high levels of two pollutants and national air quality objectives are unlikely to be met.
BBC: NEWS | UK | England | Devon | Town's air quality causes concern
But Russell Train, who served as EPA administrator in the Nixon and Ford administrations, counters that carbon dioxide is no different than other natural substances in the air that have been deemed pollutants and regulated in the past.
The harmful pollutants released into the air by coal-fired electricity generation, such as sulphur, also dampen the greenhouse effect.
The EPA regulates other pollutants under the Clean Air Act, but not this.
It also releases double the other pollutants regulated by the Clean Air Act that include sulfur dioxide and nitrogen oxide.
The president can argue that he is endorsing policies that create jobs while also reducing the level of pollutants regulated under the Clean Air Act.
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Air Pollution Score rates tailpipe emissions for pollutants that cause smog, on a scale of 1 to 10, with 10 being the cleanest and 1 the dirtiest.
Yesterday, I wrote about the announcement, little noticed at the time, that G8 leaders had agreed to join the Climate and Clean Air Coalition to Reduce Short-lived Climate Pollutants during their May Camp David summit.
FORBES: Researchers Argue For Action On Short-Lived Climate Pollutants
As a result, Congress amended the Clean Air Act to adopt Train's approach to evaluating pollutants.
First, Chinese authorities started enforcing environmental rules as citizens took to the streets to complain about metals in the soil, pollutants in the water, and soot in the air.
FORBES: Move Over, Michigan, China Is The World's Next Rust Belt
Pollutants like sulfur are removed, and GreatPoint uses conventional air-chilling technology to separate out the carbon dioxide, which it plans to pump into the ground for enhanced oil recovery.
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