Expository paragraph 2

Air pollution is a serious issue of concern in todays world, that is caused by the emission of toxic and harmful gases from machineries, factories and open burning. As an example the number of vehicles on the road is greatly increasing due to the fact that people are striving to have a better quality of life by having the convenience of driving to their destination instead of taking public transportation. Another example of the cause of air pollution is the manufacturing factories. They release toxic gases to the atmosphere; furthermore, some of them use fossil fuels to generate heat and energy. Besides factories, many people are still practicing open burning as a way of disposing their household wastes. As a result, air pollution causes people to suffer from health problems.