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The problems of poor urban air quality
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try and reduce smoke pollution in urban areas.
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uring foggy conditions, pollution levels escalated and urban smogs (smoke and fog) were formed. These often brought cities to a halt, disrupting traffic but more dangerously causing death rates to dramatically rise. The effects of this pollution on buildings and vegetation also became obvious.
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Smoke Abatement Act
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during the 1980s the number of motor vehicles in urban areas steadily increased and air quality problems associated with motor vehicles became more prevalent.
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affects of lead pollution on human health,
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he effects of other motor vehicle pollutants became a major concern.