Given today's concern with the state of the environment, an understanding of the forces that shape Earth has never been more important for young readers.Navigators: Planet Earth by Barbara Taylor is an authoritative and visually engaging look at this planet we call home, from the forces that made it to its environments, weather, landscapes, resources, and the impact humans continue to have on its fragile processes. A final chapter covers the things we can all do to save Earth for future generations.