Essay About Important Issue And Depletion Of The Ozone Layer

Depletion Of The Ozone Layer
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Depletion of the Ozone Layer
The issue of whether the people of the world have exaggerated the threat of the ozone
depletion has been widely debated. It is an important issue because it concerns health
and well being now and tomorrow. A variety of different arguments have been put forward
about this issue. Because air pollution is greatly affecting the ozone, America needs to
take immediate steps to stop ozone depletion. This essay will examine different arguments
concerning the ozone layer.
Ozone is a highly irritant gas, which is formed in our atmosphere in the presence of
sunlight from other air pollutants, including nitrogen oxides and hydrocarbons. These
“precusor” pollutants, which cause the formation of ozone, are emitted by pollution
sources. The adverse health consequences of breathing ozone at levels below the current
U.S. National ambient Air Quality Standards (NAAQS) of 120 parts per billion are serious
and well documented. Observational epidemiology studies have shown compelling and
consistent evidence of adverse effects by ozone below the current standards. Considering
the published results from various cities, the EPA analysis under predicts the
respiratory hospital admission benefits of their proposed regulations. Airway
inflammation in the lung is among the serious effects that have been demonstrated by
controlled human studies of the ozone at levels typically experienced by most Americans.
Exposures to ozone and particulate matter air pollution have been