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Latest Tropospheric ozone Stories

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2010-08-11 19:01:45

A thick blanket of yellow haze hovering over Houston as a result of chemical pollution produced by manufacturing petroleum products may be getting a little bit thinner, according to a new study.But the new findings -- which have implications for petrochemical-producing cities around the world -- come with a catch, says a team of scientists from the Cooperative Institute for Research in Environmental Sciences, or CIRES, a joint institute of the University of Colorado at Boulder and the...

2010-07-22 12:40:46

American Heart Association meeting report An early study in rats provides the first direct indication that a major component of smog might trigger cell death in the heart, researchers reported at the American Heart Association's Basic Cardiovascular Sciences 2010 Scientific Sessions "“ Technological and Conceptual Advances in Cardiovascular Disease. The study found that exposure to ground-level ozone over several weeks increased the activity of a substance that triggers cell death in...

2010-07-07 15:46:00

HARRISBURG, Pa., July 7 /PRNewswire-USNewswire/ -- The Department of Environmental Protection and its regional air quality partnerships have forecast an air quality action day for Thursday, July 8 in the Susquehanna Valley, Pittsburgh and Liberty/Clairton regions. The air quality forecast predicts Thursday will be code ORANGE for ozone and particulate matter in all three regions. The Susquehanna Valley region includes Cumberland, Dauphin, Lancaster, Lebanon and York counties. The...

2010-07-06 15:17:00

HARRISBURG, Pa., July 6 /PRNewswire-USNewswire/ -- The Department of Environmental Protection and its regional air quality partnerships have forecast an air quality action day for Wednesday, July 7 in all five forecasting regions of Pennsylvania. The air quality forecast predicts Wednesday will be code RED for ozone in the Philadelphia region and code ORANGE for ozone in the Liberty-Clairton, Susquehanna Valley, Lehigh Valley Berks and Pittsburgh regions. The forecast will be code Orange...

2010-06-22 06:00:00

GUELPH, ON, June 22 /PRNewswire-FirstCall/ - BIOREM Inc. ("Biorem" or "the Company") (TSX-V: BRM) today announced that it has received an order for its advanced biological-based volatile organic compounds (VOC) abatement system, totaling just over $500,000. VOCs are emitted primarily from solvents and fuels and react in the atmosphere to form ground-level ozone. This system will be used to remove VOC emissions from an EPA designated "ozone-non-attainment area" in the United States where...

2010-06-18 15:35:00

HARRISBURG, Pa., June 18 /PRNewswire-USNewswire/ -- The Department of Environmental Protection and its regional air quality partnerships have forecast an air quality action day for Saturday, June 19, in the Liberty/Clairton, Susquehanna Valley, Lehigh Valley/Berks and Philadelphia regions. The air quality forecast predicts Saturday will be code ORANGE for particulate matter in the Liberty-Clairton region, and code ORANGE for ozone in the Susquehanna Valley, Lehigh Valley/Berks and...

2010-06-03 16:19:00

HARRISBURG, Pa., June 3 /PRNewswire-USNewswire/ -- The Department of Environmental Protection and its regional air quality partnerships have forecast an air quality action day for Friday, June 4, in the Berks/Lehigh Valley, Susquehanna Valley and Philadelphia regions. Due to expected warmer temperatures and higher humidity levels, the air quality forecast predicts Friday will be code ORANGE for elevated ozone levels. The Berks/Lehigh region includes Berks, Lehigh and Northampton counties;...

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2010-04-21 08:56:05

A new study identifies cattle feed as a possible culprit in the long-standing mystery of why California's San Joaquin Valley "” a moderately-populated agricultural region "” has higher levels of ozone (one of the main ingredients in smog) than many densely-populated cities. The report, which explains how fermented cattle feed works with automotive exhausts in forming ozone, is in ACS' Environmental Science & Technology, a semi-monthly journal. Michael Kleeman and colleagues...

2010-04-13 16:35:00

Warren Kindzierski, University of Alberta researcher in the School of Public Health, says people living in the communities of Fort McMurray, Fort Mckay and Fort Chipewyan should feel confident that the air they are breathing is safe. Kindzierski's research has found that, despite ongoing development, it's apparent that there is little or no pattern to the changes in concentrations of various air pollutants across the oil sands region over the past 10 years. This study came about when...

2010-04-08 14:37:29

Surface ozone levels in the south west of the Iberian Peninsula usually exceed the protection threshold established by EU regulations for people and plants in spring and summer, according to data gathered between 2000 and 2005 by four measuring stations in Huelva, one of them next to the Doñana National Park. The limits established to protect human and plant health by the European Directive on ozone are usually exceeded from April onwards, especially during the summer, in...


Word of the Day
toccata
  • In music, a work for a keyboard-instrument, like the pianoforte or organ, originally intended to utilize and display varieties of touch: but the term has been extended so as to include many irregular works, similar to the prelude, the fantasia, and the improvisation.
This word is Italian in origin, coming from the feminine past participle of 'toccare,' to touch.
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