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Definition English:
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The stratospheric ozone layer that protects the earth from excessive ultra-violet radiation can be depleted by certain pollutants. Gases used in spray cans (chlorofluorocarbons, chlorofluoromethanes) or oxides of nitrogen released by cars, flying aircrafts can damage or create "holes" in the ozone layer, allowing excess amounts of ultra-violet radiation to reach the earth, with global climatic and environmental consequences and damage to health. A combined technological and natural disaster (Material V - Gunn, S.W.A. Multilingual Dictionary of Disaster Medicine and International Relief, 1990) |