How can you be kind to Earth? Bert and Ernie along with their Sesame Street friends teach young readers about energy and how everybody can conserve energy to protect the planet. Simple, practical advice tackles the big issue in a kid-friendly way. This fun series provides the perfect introduction to environmental awareness. From conserving energy and water or fighting litter and pollution to the history of Earth Day, each book offers simple ways to care for the earth, with fun asides and commentary from your friends on Sesame Street. Interior paper made with 30 percent recycled post-consumer waste fibers.