1.What happened on a regular basis in the 1950s?

2.What did the Clean Air Act of 1970 require?

3.What two pollutants are the focus of EPA action?

4.What problems does ground-level ozone cause? Who is especially at risk?

5.What are the major causes of each of these types of pollution?

6.Who is fighting the EPA's measures?

7.What does Al Mannato say we have to do?

8.What is the EPA's mandate?

9.What things can individuals do to make a difference?