Energy efficiency is one issue that young people can tackle head on in the effort to fight climate change and pollution. Even the smallest steps, like unplugging a machine when its not in use or not leaving the refrigerator door open, can make a difference when a multitude of people are making that change together. Many more suggestions are offered in this highly motivating volume, which uses a comic booklike design to make readers feel like energy-efficiency heroes! The carefully researched text includes explanations of energy efficiency in many realms of life as well as age-appropriate ways to achieve energy efficient goals.