Explains how to become "power police," put a stop to the wasteful things people do every day, and promote the use of "green power." Covers what can be done in the home, like buying energy-efficient appliances, recycling cans, growing a garden, taking shorter showers, and eating organic. Explores the things that can change in schools, like reusing paper and batteries. Also suggests changes that can be made in the community, like minimizing driving, boycotting "bad" products, and writing petitions for change. Encourages becoming eco-friendly to help the Earth recover.