Discuss primary and secondary air pollution.
Define primary and elicit sources from Ayden.
Define secondary and also elicit sources of secondary pollution.
Outline the history of air pollution beginning with the Romans 2000 years ago through the outlawing of burning certain types of coal in London 800 years ago.
List the sources of most air pollution, with auto emissions being the number one source. Show how the burning of gasoline releases energy but the waste is converted to carbon dioxide, carbon monoxide and sulfur dioxide.
Initiate a discussion regarding how to cut down on the emissions.
Discuss why electric cars were the first ones, but were replaced by the internal combustion engine in the early 20th century.
Talk about the EPA, the Clean Air Act, and the use of catalytic converters to clean exhaust gases before they are emitted.