ozone layer

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ozone layer

that part of the TROPOSPHERE between 15 and 30km in altitude.
References in periodicals archive ?
It is exciting to find that rainfall has distinct 'footprints' of the stratospheric ozone heating, which occurs very far above us," says lead author Takatoshi Sakazaki of the University of Hawaii at Manoa.
The potential increase of exposure to UVB radiation is a cause of mounting concern regarding the thickness of the stratospheric ozone layer, because the solar UVB, or erythemal UV, radiation is most sensitive to the changes in the total ozone content of the atmosphere.
The stratospheric ozone layer, extending from about 10 to 20 miles (15 to 35 kilometers) above the surface, protects life on Earth from the sun's harmful ultraviolet rays.
Summary: WASHINGTON, Jumada Al-Awwal 17, 1432 H/April 21, 2011, SPA -- Climate policymakers and scientists need to look beyond global warming emissions of carbon dioxide and take the loss of stratospheric ozone into account, Reuters quoted researchers as saying on Thursday.
The Montreal Protocol on Substances that Deplete the Ozone Layer is a landmark international agreement designed to protect the stratospheric ozone layer, was signed at Montreal, Canada in 1987.
Hence a decrease in stratospheric ozone will result in increase in ultraviolet B radiation, which will have negative impacts on human health.
These traditional MDIs, however, are propelled by chlorofluorocarbons (CFCs) that environmental activists, UN bureaucrats, politicians, and some scientists claimed were destroying the Earth's stratospheric ozone layer.
While the stratospheric ozone protects life on Earth from the sun's harmful ultraviolet (UV) radiation, the surface ozone is known as an important photochemical pollutant.
The reduction of the stratospheric ozone would lead to an increase in the number of cases of skin cancer and cataracts as well depressed human immune systems.
This is because stratospheric ozone has not been considered a major player in the climate system.
The agency and the supermarket industry launched the GreenChill Advanced Refrigeration Partnership, a voluntary program to promote green technologies, strategies, and practices that protect the stratospheric ozone layer, reduce greenhouse gases, and save money, in November 2007.
The use of CFCs has been generally banned in consumer aerosols, such as hairspray, in the United States since 1978 because of adverse effects on stratospheric ozone levels.

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