Read the following text and answer the question!

    Public transportation is a form of travel offered locally that enable more people to travel together along designated routes. Typical example of forms of public transportation included buses and trains. Public transportation becomes important parts which give great advantages.

    First, boarding public transportation plays a significant role in enhancing opportunity and productivity. Knowledge, labor, skils and goods in the market are transported by public transportation which grow the economics. Moreover, public transportation increases land and property value. Land that would have been used for marking and roads can be used to profitable use.

    Second, it is good for environment. It significantly reduced the number of vehicles on the road. The means less pollution from motor vehicle missions A clean environment boost diving standards Furthermore, it prevent global warning. By reducinmg the number of vehicles, the amount of greehouse was produce will not be enough to caused global warning.

    Third, it improve health. Fumes produce by vehicles can read to respiratory diseases. Few cars own the road mean reduction of the possibility of these dangerous diseases. Furthermore, public transportation encourages people to walk to bus and railway stations which is good for health. It also can reduced stress that comes with driving a car on congested roads.

    It can be concluded that boarding public transportation really benefit us for economics environmental and health.

What is the main idea of paragraph two?