Study: Airborne soot on the decline
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Levels of potentially dangerous airborne soot declined nationwide between 1999 and 2003, the Environmental Protection Agency reported Tuesday, and may be nearly a third lower than concentrations 25 years ago.
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The government on Thursday announced new limits on how many tiny particles of soot that people safely can breathe each day, rejecting tougher standards recommended by its own experts.
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The average level of a deadly form of air pollution dropped in the USA from 1999 to 2003 as new pollution controls made strides in battling the nation&#39;s air quality
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NEW YORK  - A smog-filled sky can make it hard to breathe, but air pollution in the home may also be hard on people with lung disease, researchers have found.
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By MICHAEL GORMLEY  ALBANY, N.Y. - More than a dozen states sued the U.S. Environmental Protection Agency on Monday to lower soot levels from smokestacks and exhaust pipes, a move the state officials argue would save thousands of lives.
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For the worldâs Olympians, Beijingâs air is a performance issue. For the cityâs estimated 12 million residents, pollution is an inescapable health and quality-of-life issue.
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By Anonymous  Ethanol may not be the healthiest solution to the atmospheric pollution problem after all, according to a recent study from Stanford University. A computer model simulated U.S. air quality in 2020, when ethanol-fueled vehicles are expected to be widely available.
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NEW YORK  - For people with lung problems,  the air quality found in commercial airliners can produce a  drop in blood oxygen below recommended levels, Australian  researchers report.
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Traffic fumes are not the reason why people&#39;s asthma gets worse in the winter, say US scientists. Instead coughs and colds are to blame, according to their study of schoolchildren in Denver.
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When it comes to forests, air pollution is not an equal opportunity hazard. While dirty air spreads across large areas of the New England region, it's more scattered in the southeastern part of the United States.
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By Spencer Hunt, The Columbus Dispatch, Ohio  Sep. 22--Faced with a court order to revise its pollution standards, the federal government announced yesterday that it will toughen soot limits.   The decision, announced by the U.S.
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In the first long-term study of air pollution&#39;s effects on children, researchers reported on Wednesday that contaminated air stunts lung development in teenagers and the effects could extend well into adulthood.
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NEW YORK  - Kids and teenagers exposed to  even trace amounts of secondhand smoke score lower on tests of  reading and reasoning, according to new research.
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Science & environment: New figures released by Defra show a slight fall in total emissions in 2006
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A comprehensive four-year study of warming in the Arctic shows that heat-trapping gases from tailpipes and smokestacks around the world are contributing to profound environmental changes
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"This is probably because of an increase in forest fires due to climate change. There are more fires in Siberia and North America and these bring more soot into the atmosphere."  FROM a remote, snow-capped mountain in the European Arctic, you can detect China in the haze In the apparently pure Arctic air, a research station on a Norwegian island mountain ridge finds chemical traces from ... via Scotsman.com News
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A Centers for Disease Control and Prevention (CDC) study finds that the overall smoking rate among US adults continues to decline, albeit slowly.