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… 9. OZONE DEPLETION I. Introduction 1. The Earth’s atmosphere is … which extends up to 350 kilometres from Earth. 2. Ozone, which has the chemical formula of “O3,” is a molecule … mainly in two regions of the Earth's atmosphere. Most ozone (approximately 90%) is found in the stratosphere. This …

… 1998 POPs Protocol 1998 Heavy Metals Protocol 1999 Ozone Protocol 1984 EMEP Protocol 1. Introduction Sulphur … Smog Smog is a mixture of carbon monoxide, ground-level ozone, and particulate matter. Carbon monoxide is a poisonous … of emission data, measurement of air quality, modelling of atmospheric transport and deposition of air pollution, and …

… Protocol (Montreal Protocol on Substances that Deplete the Ozone Layer, Montreal, 16 September 1987, in force 1 January … of Air Pollutants: Long-Range Transport Modelling’, 12 Atmospheric Environment (1978) 479-487. 79 See … everyone’s apparent surprise, the successful reduction of atmospheric sulphates in Europe and North America between …