Synopsis: A collection of children's books on the subject of schools and teachers.

Synopsis: There's an Earth Day celebration in store for Mrs. Green's class, and her students are working on important reports. They're out to discover all the ways the climate is changing and what can be done to help Mother Nature. One by one they pick their subjects: Freddy will cover food supply (a subject close to his heart) and Derek takes recycling because he thinks it's about riding a bike. Hubie gets stuck with water pollution, a very big problem…