3 years & up. These books teach children about the importance of sustainability and the impact of waste on the environment. These books often present problems related to waste and pollution and encourage children to think about solutions. This fosters critical thinking and problem-solving skills as children consider how they can contribute to reducing waste and finding creative ways to reuse items. Bold photographs and attractive color illustrations combine with easy-to-follow text to present factual information for students and their families on becoming environmentally conscious. Set of 6 books.