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Fifth letter of a Nasdaq stock symbol specifying that it is the company's second class of preferred shares.
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Researchers at a number of United States universities believe that drought conditions have had negative effects on air quality, especially since air contains ozone gas.
On this day primary and secondary school educators throughout the world organize classroom activities that focus on topics related to the ozone layer, climate change and ozone depletion.
Significant scientific progress has been made in understanding the factors controlling atmospheric ozone distributions and their temporal changes in different regions of the atmosphere, as well as in understanding the impacts of those changes on the planet.
Two years after the discovery of the Antarctic ozone hole in 1985, nations of the world signed the Montreal Protocol on Substances that Deplete the Ozone Layer, which regulated ozone-depleting compounds.
Pacific Ozone, as a co-owner, has access to the recently submitted EUOTA Ozone Dossier to support its products through this EU compliance.
According to NASA, the ozone hole reached its peak extent on September 11, covering an area about two and a half times the size of the United States - 7.6 million square miles in extent - and then declined through the remainder of September and into October.
Many promotional items used for the day feature images of the Sun, sky, or earth's natural environment to represent the ozone's importance in protecting the environment.
Atmospheric ozone is no longer declining because concentrations of ozone-depleting chemicals stopped increasing and are now declining.
Weschler and his co-authors recently reported that higher indoor ozone may be related to the absence of air-conditioning in older residences, meaning higher outdoor air exchange rates in naturally ventilated homes and a higher indoor-to-outdoor ozone ratio.
Above the South Pole, the ozone hole reached its deepest point of the season on October 9 when total ozone readings dropped to 102 Dobson units, tied for the 10th lowest in the 26-year record.
In 1840, Shonbein named the substance, which gave odour ozone, from the Greek word "ozein"- to smell.
In 1985, scientists at a research station in Antarctica made a startling discovery: a gaping ozone hole over the South Pole.