Contents Preface 1 Air pollution and acid rain 2 Ozone depletion 3 Sea level rise 4 Bibliography Index Many of the major cities of the world are beset by environmental problems not the least of which is deterioration air quality Exposure to air pollution is now an almost incapable part of urban life throughout the world The available information shows that the air quality guidelines of the World Health Organization WHO are regularly being exceeded in many cities in some cases to a great extent Given the rate at which these cities are growing and the general absence of pollution control measures in many of them air pollution will probably worsen and the quality of life of many urban residents will continue to deteriorate Although some progress has been made in controlling air pollution in many industrialized countries over the last two decades air quality particularly in the larger cities of the developing countries is worsening The WHO Commission on Health and Environment which recently concluded its work identified urban air pollution as a major environmental health problem deserving high priority for action To assess the problems of urban air pollution in the worlds largest cities WHO and the United Nations Environment Programme UNEP initiated a detailed study of air quality in 20 megacities The study was carried out within the framework of the WHOUNEP urban air quality monitoring and assessment programme known as GEMS Air which is a component of the global environment monitoring system For the purposes of this study megacities were defined as urban agglomerations with current or projected populations of 10 million or more by the year 2020 This book contains details of air pollution controlled measures besides mitigating the effects of acid rain ozone depletion and sea level rise This will be of immense help to all those contemplating to acquire expert knowledge of these subjects 244 pp. Bestandsnummer des Verk�ufers 84531

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