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.

• 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.

Chicago New York Tokyo

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 growthLate 1800sEarly 1900sMid 1900sLate 1990s

Lavender Bay in the foreground

Website on Sydney’s air pollution

• http://condellpark.com/bear/smogbasin.htm

Unomedical should apologise "for potentially putting us at risk" ... Alan Holliday with daughter Amy, left, wife Jill, and daughter Monica, with a picture of Jasmin.