Many people believe humans have a responsibility to take care of the planet. However, other people believe it isn't their job to protect the environment. Readers discover the facts behind these two opposing points of view and how those points of view determine people's actions.
School lunches should be free for all students. Some people might strongly agree with this statement, while others might strongly disagree. In order to engage in a debate about this topic that affects readers everyday lives, readers first need to understand both sides.