Title: How Do Humans Depend on Earth
            
                My Science Library 45
Subjects: Nature, effect of human beings on, Earth (planet), juvenile literature, Conservation of natural resources, Conservation of natural resources, juvenile literature, Juvenile literature, Effect of human beings on, Environmental responsibility, Ouvrages pour la jeunesse, Effets de l'homme sur, Responsabilité environnementale, Conservation des ressources naturelles, JUVENILE NONFICTION, Science & Nature, Environmental Science & Ecosystems