The "O" Zone.
INTRODUCTION
For several decades, atmospheric ozone, especially the stratospheric layer, has been known for its important protective role against the incoming solar ultraviolet radiation. In general, there is a natural balance between the ozone's production and its destruction with a net ozone surplus. Under the natural equilibrium, there are small dosages of solar ultraviolet radiation to which populations, living organisms, plants, and aquatic systems have generally become adapted. The harmful effects are thus generally very small except perhaps in the tropical/equatorial region. The surface dosage of natural ultraviolet radiation increases by many folds in going from high/mid latitudes to the equator. Because people living in the high dosage tropical belt have a darker skin tan which provides greater protection to the skin against ultraviolet radiation, this high UV radiation situation has not been considered particularly seriously in terms of adverse health and environmental......
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