Air Quality

Possible Action
You as a resident of Australia could also chip in by becoming greener. Their are numerous ways in reducing the air pollution you emit for example:

When needing transportation, think of alternatives to cars like the bus, trains, cycling or even walking.
Get rid of toxic chemicals in your household. For example, you could use a paintbrush instead of a sprayer
Use energy efficient appliances and unplug them when not in use, keep heat down in winter and air conditioners in summer, insulate well and seal air leaks at windows and doors.
Lastly plant trees and keep them healthy as they produce oxygen, provide shade in the summer, block cold winds in the winter therefore helping you become more energy efficient.