Ozone Current Events

Ozone Current Events, Ozone News Articles.
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The start of 'healing' for the Antarctic ozone hole?
After persisting for decades, the hole in the ozone over the Antarctic has begun to 'heal,' exhibiting an ozone increase, a new study reports. (2016-06-30)

Ozone watch
The symposium covers all issues related to atmospheric ozone, including trends of ozone in the stratosphere and troposphere, ozone-climate interactions, latest emerging techniques for ozone observations, and effects of ozone on human health, ecosystems and food production. Future challenges for stratospheric and tropospheric ozone are highlighted. (2017-02-01)

New Studies Analyze Ozone Depletion
The obvious global decline in the ozone layer due to the rise in chlorofluorocarbons is marked by year-to-year and spatial variability. Several studies in the June 1 issue of Geophysical Research Letters, published by the American Geophysical Union, report and analyze recent studies. (1998-05-22)

NASA's AURA satellite peers into Earth's ozone hole
NASA researchers, using data from the agency's AURA satellite, determined the seasonal ozone hole that developed over Antarctica this year is smaller than in previous years. (2005-12-06)

Volcanic aerosol clouds and gases lead to ozone destruction
Volcanic eruptions destroy ozone and create (2006-11-08)

Ozone standards pose health risk, scientists report
The air Americans breathe contains more ozone from pollution than the Environmental Protection Agency estimates, scientists report. (2004-01-05)

Climate change increases the risk of ozone damage to plants
Ground-level ozone is an air pollutant that harms humans and plants. Both climate and weather play a major role in ozone damage to plants. Researchers at the University of Gothenburg, Sweden, have now shown that climate change has the potential to significantly increase the risk of ozone damage to plants in northern and central Europe by the end of this century. (2011-06-30)

Ozone Linked To Warmer Weekend Temperatures In Toronto
Higher amounts of ground-level ozone on weekends compared to weekdays are causing warmer weekend weather in Toronto, according to a U of T study. (1999-05-28)

Clouds Foretell Biggest Ozone Hole Ever
Naval researchers report that unusually extensive stratospheric clouds over the South Pole set the stage for the near-record-size hole in Antarctica's ozone layer reported earlier this year by NASA and NOAA scientists. (1999-01-21)

Study links ozone, mortality in urban areas
More people died in urban areas when ground-level ozone was higher during the previous week, researchers at Yale School of Forestry and Environmental Studies and Johns Hopkins report in the November 17 Journal of the American Medical Association. (2004-11-16)

NASA scientists discuss giant atmospheric brown cloud
NASA scientists announced a giant, smoggy atmospheric brown cloud, which forms over South Asia and the Indian Ocean, has intercontinental reach. The scientists presented their findings today during the American Geophysical Union Fall meeting in San Francisco. (2004-12-15)

Ozone can reduce a flower's scent that's critical for attracting pollinators
New research shows that high levels of ozone, which are predicted to increase in the atmosphere in the future, can dampen the scents of flowers that attract bees and other pollinators. (2015-09-08)

Study: Ozone from rock fracture could serve as earthquake early warning
New research, published this week in the journal Applied Physics Letters, suggests that ozone gas emitted from fracturing rocks could serve as an indicator of impending earthquakes. (2011-11-17)

Ozone key to link between heat and increased cardiovascular death risk
Ozone may prove the key to the link between high temperature and the increased risk of death from heart disease or stroke, suggests research published ahead of print in Occupational and Environmental Medicine. (2007-11-22)

Ozone levels drop when hurricanes are strengthening
Scientists are continually exploring different aspects of hurricanes to increase the understanding of how they behave. Recently, NASA-funded scientists from Florida State University looked at ozone around hurricanes and found that ozone levels drop as a hurricane is intensifying. (2005-06-08)

Ozone intrusions -- humankind's fault?
In this week's Nature, a study led by physics and astronomy professor Wayne Hocking of the University of Western Ontario reveals new discoveries about how ozone moves through our skies and how so-called 'ozone intrusions' can be monitored using a relatively simple radar instrument. (2007-11-08)

Ozone levels in US national parks similar to levels in largest US cities
Ozone concentrations in U.S. national parks like Yellowstone and Acadia were largely indistinguishable from ozone levels in America's largest metropolitan areas between 1990 and 2014, according to a new analysis. It also suggests higher ozone levels are linked to a decrease in park visitation, during this time. The U.S. National Park Service has raised concerns over (2018-07-18)

Plugging an ozone hole
Extreme Antarctic ozone holes have not been replicated in the Arctic. (2014-04-14)

Surface-level ozone pollution set to reduce tree growth 10 percent by 2100
Modern day concentrations of ground level ozone pollution are decreasing the growth of trees in the northern and temperate mid-latitudes, as shown in a paper publishing today in Global Change Biology. (2008-12-09)

Super volcanic eruptions interrupt ozone recovery
Strong volcanic eruptions, especially when a super volcano erupts, will have a strong impact on ozone, and might interrupt the ozone recovery processes. (2019-07-15)

Study: Ozone does not necessarily promote decline of natural ecosystems
Species-diverse unmanaged forests may be less susceptible to the damaging effects of ground-level ozone -- toxic to many species of vegetation and to humans -- than previously understood. (2016-02-25)

Ozone depletion is a major climate driver in the southern hemisphere
When people hear about the dangers of the ozone hole, they often think of sunburns and associated health risks, but new research shows that ozone depletion changes atmospheric and oceanic circulation with potentially devastating effects on weather in the Southern Hemisphere weather. (2014-12-01)

Study links 'smog' to Arctic warming
In a global assessment of the impact of ozone on climate warming, scientists at the NASA Goddard Institute for Space Studies, New York, evaluated how ozone in the lowest part of the atmosphere changed temperatures over the past 100 years. According to this new research, ozone was responsible for one-third to half of the observed warming trend in the Arctic during winter and spring. (2006-03-14)

Ozone reduces fungal spoilage of fruits and vegetables
Storing fruits and vegetables in ozone-enriched environments reduces spoilage explains a scientist at the Society for General Microbiology's Spring Conference in Harrogate. Dr. Ian Singleton explains how ozone treatment could be a safe, effective replacement for pesticides as it leaves no residue on foods. (2011-04-10)

Scientists call for long-term research on ozone source apportionment
More long-term research should be carried out to provide references for the development of emission reduction strategies to achieve long-term ozone attainment in China (2020-06-12)

Increasing ozone over the Atlantic ocean
Max Planck Scientists have discovered that ozone smog is increasingly a global problem. (2004-05-14)

Ground-level ozone pollution helped to recover normal ozone levels over the Iberian Peninsula
The reconstruction of ozone levels over the Iberian Peninsula between 1979 and 2008 reveals that positive trends began eight years after the ratification of the Montreal Protocol. Furthermore, results show that Spain quickly recovered part of its lost ozone thanks to tropospheric ozone, a secondary pollutant derived from industrial emissions. (2011-12-05)

Ozone masks plants volatiles, plant eating insects confused
Increases in ground-level ozone, especially in rural areas, may interfere not only with predator insects finding host plants, but also with pollinators finding flowers, according to researchers from Penn State and the University of Virginia. (2013-04-02)

A warm polar winter was easier on Arctic
A NASA researcher has found unusually high levels of protective upper atmospheric ozone in the Arctic as a result of a rare sudden warming during the early winter of 1998. (2002-05-28)

New study reveals gas that triggers ozone destruction
Scientists at the Universities of York and Leeds have made a significant discovery about the cause of the destruction of ozone over oceans. They have established that the majority of ozone-depleting iodine oxide observed over the remote ocean comes from a previously unknown marine source. The research team found that the principal source of iodine oxide can be explained by emissions of hypoiodous acid. (2013-01-13)

Unhealthy ozone days could increase by more than a week in coming decades
If emission rates continue unchecked, regions of the United States could experience between three and nine additional days per year of unhealthy ozone levels by 2050, according to a new study from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) published in Geophysical Research Letters. (2016-04-21)

This week from AGU: Thunderstorms and ozone, urban air pollution
A new study in Geophysical Research Letters offers for the first time unequivocal evidence that large storms move significant amounts of ozone from the stratosphere down to the troposphere, the lowest part of the atmosphere. From EOS, an analysis of decades of mitigation efforts in Los Angeles demonstrates that air quality in megacities can be greatly improved. (2015-01-13)

A New Isotope Effect In Molecular Physics Discovered In The Formation Process Of Ozone Molecules
Experiments have been performed at the Max Planck Institute for Nuclear Physics, Division of Atmospheric Physics, that isolate ozone formation processes for isotopically selected oxygen atoms and molecules. Highly variable formation rates were found, favoring collisions of light oxygen atoms with heavy molecules (Science Vol. 283, Jan 15, 1999, K. Mauersberger et al.). The results will help to resolve the unusual ozone isotope effect. (1999-01-14)

Use of ozone-tolerant cultivars can enhance India's food security
India's bread basket, the Indo-Gangetic Plains (IGP), have been classified as a 'hot spot' for air pollution. A recent study from the University of Eastern highlights the current status of ozone research in the IGP region, which is agriculturally important and densely populated. The study suggests that the selection of ozone-tolerant cultivars is a useful strategy for food security in India. (2015-08-31)

Study finds no safe level for ozone
Even at very low levels, ozone -- the principal ingredient in smog -- increases the risk of premature death, according to a nationwide study to be published in the April edition of the journal Environmental Health Perspectives. The study, sponsored by the Environmental Protection Agency and the Centers for Disease Control, found that if a safe level for ozone exists, it is only at very low or natural levels and far below current US and international regulations. (2006-02-16)

Effects of ozone pollution threaten agricultural production on Long Island, NY, says Cornell plant pathologist
High amounts of ground-level ozone - a pollutant commonly called 'smog' - have seriously retarded the growth of ozone- sensitive white clover in agricultural areas of Long Island, N.Y., according to a plant pathologist at Cornell University's Horticultural Research and Extension Center. The effects of the pollutant on the clover appear to be a warning of a wider threat. (2000-08-14)

Even healthy lungs labor at acceptable ozone levels
Ozone exposure, even at levels deemed safe by current clean air standards, can have a significant and negative effect on lung function, according to researchers at the University of California Davis. (2009-07-23)

Ozone threatens Long Island plants
High amounts of ground-level ozone have seriously retarded the growth of ozone-sensitive plants in agricultural areas of Long Island, NY, says a Cornell plant pathologist. (2000-08-14)

Lowering the national ozone standard would significantly reduce mortality and morbidity
Establishing a more stringent ozone standard in the US would significantly reduce ozone-related premature mortality and morbidity, according to a new study published online July 18 in the journal Environmental Health Perspectives. (2012-07-18)

Persistent Ozone Loss In The Arctic Due To Greenhouse-Enhanced Removal Of Particles From The Lower Stratosphere
In the issue of 26 March 1999 of the scientific journal Science , an article by a consortium of German, Swiss and British scientists, under the leadership of the Max Planck Institute for Chemistry in Mainz, raises questions about a rapid future mitigation of ozone losses in the Arctic stratosphere. (1999-03-25)

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