Ozone Layer Current Events

Ozone Layer Current Events, Ozone Layer 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)

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)

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)

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)

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)

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 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)

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

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)

First ozone and nitrogen dioxide measurements from MetOp-A
The Global Ozone Monitoring Experiment-2 (GOME-2) on board MetOp-A launched in October 2006 and currently undergoing commissioning has delivered the first geophysical products for monitoring the Earth's ozone layer, and European and global air quality. (2007-03-14)

NOAA study shows nitrous oxide now top ozone-depleting emission
Nitrous oxide has now become the largest ozone-depleting substance emitted through human activities, and is expected to remain the largest throughout the 21st century, NOAA scientists report in a new study. (2009-08-27)

Waves in the atmosphere batter South Pole, shrink 2002 ozone hole
A greater number of large (2002-12-09)

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

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)

2014 Antarctic ozone hole holds steady
The Antarctic ozone hole reached its annual peak size on Sept. 11, according to scientists from NASA and the National Oceanic and Atmospheric Administration. The size of this year's hole was 24.1 million square kilometers (9.3 million square miles) -- an area roughly the size of North America. (2014-10-30)

The ozone layer continues to thin
The vital ozone layer has continued to deplete in recent years over the densely populated mid-latitudes and tropics, while it is recovering at the poles. This is documented by an international research team in the journal Atmospheric Chemistry and Physics. (2018-02-06)

Unusually small ozone hole attributed to strong upper level weather systems
Scientists from NASA and the Commerce Department's National Oceanic and Atmospheric Administration (NOAA) have confirmed the ozone hole over the Antarctic this September is not only much smaller than it was in 2000 and 2001, but has split into two separate (2002-09-30)

The ozone hole has stabilized -- some questions remain
The production and consumption of chemical substances threatening the ozone layer has been regulated since 1987 in the Montreal Protocol. Eight international expert reports have since been published, which examine the current situation and the future of the threat to the ozone layer. Empa scientists made a decisive contribution to the latest report -- presented on 10 Sept. at the United Nations Headquarters in New York. (2014-09-11)

NOAA scientists win international award for ozone layer research
The US Environmental Protection Agency named two Boulder scientists among the winners of the agency's international Ozone Layer Protection Award on Monday in Washington, D.C., David Fahey and John Daniel of NOAA's Earth System Research Laboratory in Boulder were honored during a ceremony at the Kennedy Center for the Performing Arts. (2008-05-27)

Low temperatures enhance ozone degradation above the Arctic
Extraordinarily cold temperatures in the winter of 2010/2011 caused the most massive destruction of the ozone layer above the Arctic so far: The mechanisms leading to the first ozone hole above the North Pole were studied by scientists of the KIT Institute of Meteorology and Climate Research. (2012-01-19)

Annual Antarctic ozone hole larger and formed later in 2015
The 2015 Antarctic ozone hole area was larger and formed later than in recent years, said scientists from NASA and the National Oceanic and Atmospheric Administration (NOAA). (2015-10-29)

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)

2001 ozone hole about the same size as past three years
Satellite data show the area of this year's Antarctic ozone hole peaked at about 26 million square kilometers making the hole similar in size to those of the past three years, according to scientists from NASA and the National Oceanic and Atmospheric Administration (NOAA). Researchers have observed a leveling-off of the hole size and predict a slow recovery. (2001-10-16)

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)

Iodine may slow ozone layer recovery
Air pollution and iodine from the ocean contribute to damage of Earth's ozone layer. (2020-01-13)

2012 Antarctic ozone hole second smallest in 20 years
The average area covered by the Antarctic ozone hole this year was the second smallest in the last 20 years, according to data from NASA and National Oceanic and Atmospheric Administration (NOAA) satellites. Scientists attribute the change to warmer temperatures in the Antarctic lower stratosphere. (2012-10-24)

NASA sensors find pollution hiding in the SHADOZ
NASA and scientists from 10 tropical countries have used balloon-borne sensors to obtain the first picture of the structure of ozone (pollution) in the tropical troposphere. Under the SHADOZ (Southern Hemisphere Additional Ozonesondes) Project, they have found that ozone (2002-05-31)

York symposium puts focus on chemical 'weather'
Scientists gather in York, UK, next week to discuss new approaches to one of science's greatest challenges -- predicting the Earth's chemical weather. (2008-06-04)

Changes in ozone layer offer hope for improvement, says team of scientists
Analysis of several different satellite records and surface monitoring instruments indicates that the ozone layer is no longer declining, according to a study by scientists working with the Center for Integrating Statistical and Environmental Science at the University of Chicago. In some parts of the world, the ozone layer has increased a small amount in the past few years, although it is still well below normal levels. (2005-08-30)

Getting to the TOPP of Houston's air pollution
As Texas environmental regulators prepare to implement the state's latest plan to bring Houston into compliance with federal clean air standards, researchers from Rice University and Valparaiso University are conducting the first systematic survey of atmospheric ozone above Houston using daily weather balloon launches. With a $100,000 grant from the Texas Commission on Environmental Quality, the Tropospheric Ozone Pollution Project is measuring ozone from the ground to more than 100,000 feet. (2005-08-09)

2003 ozone 'hole' approaches, but falls short of record
This year's Antarctic ozone hole is the second largest ever observed, according to scientists from NASA, the National Oceanic and Atmospheric Administration (NOAA), and the Naval Research Laboratory. (2003-09-29)

NASA, NOAA data show significant Antarctic ozone hole remains
The Antarctic ozone hole, which yawns wide every Southern Hemisphere spring, reached its annual peak on Sept. 12. It stretched to 10.05 million square miles, the ninth largest ozone hole on record. Above the South Pole, the ozone hole reached its deepest point of the season on Oct. 9, tying this year for the 10th lowest in this 26-year record. (2011-10-20)

Ozone at lower latitudes is not recovering, despite Antarctic ozone hole healing
The ozone layer -- which protects us from harmful ultraviolet radiation -- is recovering at the poles, but unexpected decreases in part of the atmosphere may be preventing recovery at lower latitudes. (2018-02-06)

Severe ozone depletion avoided
We are already reaping the rewards of the Montreal Protocol, with the ozone layer in much better shape than it would have been without the UN treaty, according to a new study in Nature Communications. (2015-05-26)

Experts reveal major holes in international ozone treaty
A new paper, co-authored by a University of Sussex scientist, has revealed major holes in an international treaty designed to help repair the ozone layer, putting human health at risk and increasing the speed of climate change. (2020-08-26)

Banning Chemicals To Protect Ozone May Aggravate Global Warming
Some of the chemicals being phased out to protect the ozone layer offer offsetting benefits, such as reducing global warming, a University of Illinois researcher says. (1997-12-04)

NASA confirms North Pole ozone hole trigger
NASA researchers using 22 years of satellite-derived data have confirmed a theory that the strength of (2001-09-18)

UEA research reveals 4 new man-made gases in the atmosphere
New research from the University of East Anglia reveals that four new man-made gases have been discovered in the atmosphere. 74,000 tonnes of these new CFCs and HCFCs are all contributing to the destruction of the ozone layer. Emission increases of this scale have not been seen for any other CFCs since controls were introduced during the 1990s. (2014-03-09)

Injecting sulfate particles into stratosphere could have drastic impact on Earth's ozone layer
A much-discussed idea to offset global warming by injecting sulfate particles into the stratosphere would have a drastic impact on Earth's protective ozone layer, new research concludes. (2008-04-24)

NASA's aura satellite sheds new light on air quality and ozone hole
NASA scientists announced the agency's Aura spacecraft is providing the first daily, direct global measurements of low-level ozone and many other pollutants affecting air quality. (2004-12-14)

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