If you own a car you can reduce greenhouse gas emissions. Public transport You can reduce greenhouse gases and local air pollution by using public transport.
Motor vehicles produce most of the air pollutants in Australia's urban areas.
Depending where you live, public transport may well be a better option than you think. At the end of your journey you save time by not having to look for a parking space. Although governments may agree that public transport is important, their actions often do not demonstrate much commitment. Building more roads has been shown to create more traffic jams, rather than solving them, as more cars are encouraged onto the roads when new roads are opened. If you support a transport action group like Smogbusters you can stay in touch with issues and multiply the effect of your efforts.