MAP20070026695Elsom, DerekSmog alert : managing urban air quality / Derek Elsom. — London : Earthscan, 1996XIII, 226 p. ; 24 cmSumario: Polluted cities: a worldwide problem -- People at risk: setting protective air quality standards -- Health-threatening pollutants -- Developing an effective framework for urban air quality management -- Developing smog alert systems -- Cleaner fuels and cleaner cars -- Traffic management and improved public transport -- Controlling industrial and residential emissions -- Smog city case studies -- Achieving and sustaining healthy urban air quality in the twenty-first Century