ozone layer


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ozone layer

that part of the TROPOSPHERE between 15 and 30km in altitude.
References in periodicals archive ?
From the ratification that the Bolivian state will make, to this amendment, it will prohibit the use of hydrofluorocarbons in the manufacture that definitely damage the ozone layer; This chemical element is not only harmful to the environment, it has also been scientifically proven that it can cause damage to the skin, plants and animals, said the president of the Chamber of Deputies, Victor Borda.
A hole in the ozone layer over the Antarctic appeared and expanded during the 20th century, caused by the use of CFCs which used to be released from aerosol sprays.
As a result, the upper ozone layer above the Northern Hemisphere should be completely repaired in the 2030s and the gaping Antarctic ozone hole should disappear in the 2060s, according to a scientific assessment released Monday at a conference in Quito, Ecuador.
In 1987, the Philippines joined the rest of the world in adopting the landmark global agreement to protect the ozone layer by stopping the production and consumption of ODS.
According to Cimatu, the Philippines has always been in full compliance with the Montreal Protocol since it ratified in 1991 the global agreement to protect the ozone layer from chemicals referred to as ozone-depleting substances (ODS).
That doesn't mean the ozone layer isn't recovering: it means that the recovery due to decreasing stratospheric chlorine will take longer to emerge from the natural variability.
Oman's ratification stems from its belief in supporting efforts of the international community to address the challenges of various environmental problems, including depletion of the ozone layer and confronting challenges facing environmental, climatic and ecological systems.
Ibrahim bin Ahmed al Ajmi, director general of Climate Affairs, said, 'The researchers and scientists noticed during the mid 70s a level of erosion and depletion in the ozone layer over the South Pole due to human and industrial activities, with the main cause to be the use of halon and chlorofluorocarbons (CFC).
Hence, this Day is for us to show our intensive care towards this problem and find out solution to preserve the ozone layer and put a ban on certain things which are responsible for this reason as well as plant more and more trees in our surroundings.
News Report The World Ozone Day will be observed across the country today (Sunday) as elsewhere in the world for creating awareness about depletion of the ozone layer and its adverse effects on this planet's environment.
Senator Loren Legarda on Sunday sounded the call for every Filipino to continue doing their part in protecting the ozone layer in keeping with the Montreal Protocol, an international treaty that encourages environmental protection amid climate change.
Day for the Protection of the Ozone Layer, which falls on 16 September