How did it affect you (or your acquaintance or family member?) Please explain.
What were the effects? Please explain.
Did you (or your acquaintance or family member) experience increased or decreased health or quality of life? Please explain.
If you choose to write about a negative externality such as pollution, what do you think is the best way to reduce pollution? Please explain.
If you choose to write about a positive externality, what is the economic problem that positive externalities create? How would you resolve that? Please explain.