Geographical Issues- Air Quality Air pollution is the contamination of the atmosphere by substances that can, either directly or indirectly, impact on.

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Presentation transcript:

Geographical Issues- Air Quality Air pollution is the contamination of the atmosphere by substances that can, either directly or indirectly, impact on human health and welfare. Air pollution’s impact on Human Health Irritate existing respiratory conditions Irritate people’s eyes Bring on an asthma attack Produce unpleasant odours Damage property Reduce Visibility

Compared with many of the worlds large urban centres, the air quality in Australia is quite good due to: -Technological advancements -The closure of old industrial plants -Strict emission controls imposed by governments.Strict emission controls imposed by governments. There are however, still days when air quality deteriorates to such an extent that is as bad as the air pollution experienced in cities such as Chicago, New York and Tokyo. ChicagoNew YorkTokyo

Management Strategies for Improving Air Quality Reducing peoples reliance on cars by improving public transport; that is, making sure it is convenient, reliable, safe and affordable. Introducing stricter emission controls for industry and motor vehicles Restricting urban expansion to areas already serviced by public transport Encouraging firms to move goods by rail instead of by road. Subsidising the installation of solar hot water systems, home insulation and other energy saving devices. Provide firms with financial incentives to invest in renewable energy sources and technologies

Sydney’s growth Late 1800s Early 1900s Mid 1900s Late 1990s

Lavender Bay in the foreground

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