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Current Ozone News and Events

Current Ozone News and Events, Ozone News Articles.
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Old ice and snow yields tracer of preindustrial ozone
Using rare oxygen molecules trapped in old ice and snow, US and French scientists have answered a long-standing question: How much have 'bad' ozone levels increased since the start of the Industrial Revolution? (2019-06-12)
Electric vehicles would be a breath of fresh air for Houston
Cornell University researchers are expressing hope for the future of Houston's breathable air, despite the city's poor rankings in the American Lung Association's 2019 'State of the Air' report. (2019-06-11)
Study finds link between ambient ozone exposure and progression of carotid wall thickness
Study of nearly 7,000 adults aged 45 to 84 from six US regions is first epidemiological study to provide evidence that ozone may advance subclinical arterial disease, providing insight into the relationship between ozone exposure and cardiovascular disease risk. (2019-05-29)
NASA-supported monitoring network assesses ozone layer threats
On the heels of the first definitive signs of the ozone layer recovery last year, an international team of scientists discovered that production and emission of a banned, potent ozone-depleting chemical is on the rise again. (2019-05-28)
A warming Arctic produces weather extremes in our latitudes
Atmospheric researchers at the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) have now developed a climate model that can accurately depict the frequently observed winding course of the jet stream, a major air current over the Northern Hemisphere. (2019-05-28)
Chloropicrin application increases production and profit potential for potato growers
Chloropicrin was first used on potato in 1940 as a wireworm suppressant and then in 1965 as a verticillium suppressant. (2019-05-28)
Scientists discover the source of new CFC emissions
Since 2013, annual emissions of a banned chlorofluorocarbon (CFC) have increased by around 7,000 tonnes from eastern China, according to new research published in Nature today by an international team of scientists from the UK, South Korea, Japan, USA, Australia and Switzerland. (2019-05-22)
Reductions in PM over decade has improved health; ozone pollution remains little changed
Fewer deaths and serious illnesses have occurred in the US over the past decade as a result of cleaner air, according to a new report focusing on the two most potent air pollutants: fine particle (PM2.5) and ground-level ozone (O3). (2019-05-22)
A new view of wintertime air pollution
The team's unexpected finding suggests that in the US West and elsewhere, certain efforts to reduce harmful wintertime air pollution could backfire. (2019-05-09)
Human encroachment alters air quality over Amazon rainforest
Plumes of air pollution generated from a rapidly expanding city within the Amazon rainforest are wafting hundreds of miles and degrading air quality in the pristine rainforest, according to a team of scientists. (2019-04-25)
Particulate matter takes away 125,000 years of healthy life from Europe's child population
A study analyzes the burden of disease of seven environmental hazards to children in the 28 countries of the European Union. (2019-04-24)
How bacteria build an enzyme that destroys climate-changing laughing gas
New research reveals how soil bacteria build the only known enzyme for the destruction of the potent global warming and ozone-depleting gas nitrous oxide. (2019-04-17)
The scientists are developing a technology for water purification by electric discharges
The environment around us is becoming increasingly polluted. This includes one of our most precious natural resources -- water. (2019-04-16)
Electric vehicle adoption improves air quality and climate outlook
A Northwestern University study quantified the differences in air pollution generated from battery-powered electric vehicles versus internal combustion engines. (2019-04-12)
How severe drought influences ozone pollution
From 2011 to 2015, California experienced its worst drought on record, with a parching combination of high temperatures and low precipitation. (2019-04-10)
Life could be evolving right now on nearest exoplanets
Rocky, Earth-like planets orbiting our closest stars could host life, according to a new study that raises the excitement about exoplanets. (2019-04-09)
PSU study shows green roofs could reduce indoor air pollution
Green roofs -- roofs that are planted with vegetation -- may improve the indoor air quality of commercial buildings by cutting the amount of ozone coming into the buildings from the outside, according to new research from Portland State University. (2019-04-09)
Testing how well water disinfectants damage antibiotic resistance genes
A UW team tested how well current water and wastewater disinfecting methods affect antibiotic resistance genes in bacterial DNA. (2019-04-08)
Air quality agencies can breathe easier about current emissions regulations
A University of Washington-led study provides a fuller picture of the relationship between nitrogen oxides -- the tailpipe-generated particles at the center of the Volkswagen scandal, also known as NOx, -- and PM2.5, the microscopic particles that can lodge in lungs. (2019-03-26)
Concerns regarding proposed changes to EPA's causality framework
In this Policy Forum, Gretchen Goldman and Francesca Dominici raise concerns over recent developments at the US Environmental Protection Agency (EPA) that 'stand to quietly upend the time-tested and scientifically backed process the agency relies on to protect the public from ambient air pollution.' (2019-03-21)
Turn off a light, save a life, says new UW-Madison study
We all know that turning off lights and buying energy-efficient appliances affects our financial bottom line. (2019-03-20)
Zero-emission diesel combustion using a non-equilibrium-plasma-assisted MnO2 filter
A Japan-based research team led by Kanazawa University have used ozone from an atmospheric-pressure non-equilibrium plasma together with the desulfurization catalyst MnO2 to almost completely eliminate NOx and SOx from diesel exhaust gas at a low temperature of 473 K. (2019-03-07)
Study examines indoor exposure to air pollution
In an Indoor Air study conducted in a suburb of the city of Kuopio, Finland, relatively short-lasting wood and candle burning of a few hours increased residents' daily exposure to potentially hazardous particulate air pollution. (2019-02-21)
A hidden source of air pollution? Your daily household tasks
Cooking, cleaning and other routine household activities generate significant levels of volatile and particulate chemicals inside the average home, leading to indoor air quality levels on par with a polluted major city. (2019-02-17)
Air pollution increases ER visits for breathing problems
As levels of ozone and fine particulate pollution (PM2.5) rise, more patients end up in the ER with breathing problems, according to the largest US study of air pollution and respiratory emergency room visits of patients of all ages. (2019-01-17)
China's war on particulate air pollution is causing more severe ozone pollution
In China, the rapid reduction of the pollutant PM 2.5 dramatically altered the chemistry of the atmosphere, leading to an increase in harmful ground-level ozone pollution, especially in large cities. (2019-01-02)
Pollutants from wildfires affect crop and vegetation growth hundreds of kilometers from impact zone
The startling extent to which violent wildfires, similar to those that ravaged large swathes of California recently, affect forests and crops way beyond the boundaries of the blaze has been revealed. (2018-12-21)
Air pollution in Mexico City is associated with the development of Alzheimer disease
A new study by researchers at the Universities of Montana, Valle de México, Boise State, Universidad Veracruzana, Instituto Nacional de Pediatría and Paul-Flechsig-Institute for Brain Research heightens together with German company Analytik Jena concerns over the evolving and relentless Alzheimer's pathology observed in young Metropolitan Mexico City (MMC) urbanites. (2018-12-21)
New threat to ozone recovery
A new MIT study, published in Nature Geoscience, identifies another threat to the ozone layer's recovery: chloroform -- a colorless, sweet-smelling compound that is primarily used in the manufacturing of products such as Teflon and various refrigerants. (2018-12-20)
New properties of sulfur atom discovered
2019 will be, as proclaimed by the UN, the 'International Year of the Periodic Table of Chemical Elements', in commemoration of the 150th anniversary of its creation. (2018-12-14)
Snow over Antarctica buffered sea level rise during last century
A new NASA-led study has determined that an increase in snowfall accumulation over Antarctica during the 20th century mitigated sea level rise by 0.4 inches. (2018-12-13)
Ozone depletion increases Antarctic snowfall, partially mitigates ice sheet loss
Ozone layer depletion has increased snowfall over Antarctica in recent decades, partially mitigating the ongoing loss of the continent's ice sheet mass, new University of Colorado Boulder research finds. (2018-12-10)
How ice particles promote the formation of radicals
The production of chlorofluorocarbons, which damage the ozone layer, has been banned as far as possible. (2018-12-07)
Scientists enter unexplored territory in superconductivity search
Scientists mapping out the quantum characteristics of superconductors -- materials that conduct electricity with no energy loss -- have entered a new regime. (2018-12-06)
Greenhouse gas 'detergent' recycles itself in atmosphere: NASA study
A simple molecule in the atmosphere that acts as a 'detergent' to breakdown methane and other greenhouse gases has been found to recycle itself to maintain a steady global presence in the face of rising emissions, according to new NASA research. (2018-11-30)
Alpine ice shows three-fold increase in atmospheric iodine
Analysis of iodine trapped in Alpine ice has shown that levels of atmospheric iodine have tripled over the past century, which partially offsets human-driven increases in the air pollutant, ozone. (2018-11-12)
Ozone hole modest despite optimum conditions for ozone depletion
The ozone hole that forms in the upper atmosphere over Antarctica each September was slightly above average size in 2018, NOAA and NASA scientists reported today. (2018-11-02)
Reducing methane emissions can play a key role in reducing ozone worldwide
A new JRC report points to inexpensive and profitable solutions to reduce methane emissions in the energy, waste, wastewater and agriculture sectors. (2018-10-30)
Study: Coal power plant regulations neglect a crucial pollutant
Rice University researchers determine that particle-forming sulfur dioxide is the most damaging pollutant from Texas' coal-fired power plants that lack equipment to scrub emissions. (2018-10-29)
Location of large mystery source of banned ozone depleting substance uncovered
Researchers from the University of Bristol have found significant ongoing emissions of a potent ozone-depleting substance from eastern China. (2018-10-26)
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