In this Martha Speaks interactive story, students explore the benefits of sorting waste in order to help the environment. Students learn about how recycling and composting work. When used as a part of Martha’s True Stories Buddies Program, buddy pairs engage with the interactive story, then talk and write as they create their own Earth Pledge about how they will help protect the earth. To familiarize yourself with the program, begin by reading the Martha's True Stories Buddies Program: Overview.