People throughout the world rely on coal for generating electricity and for powering factories that make products such as steel, cement, and paper--yet because it is such a dirty fuel, as well as a finite resource, coal is highly controversial. Through objective overviews, primary sources, and full-color illustrations, this title examines How Dependent Is the World on Coal Power? Does Coal Burning Threaten the Environment? What Are the Environmental Effects of Coal Mining? and What Is the Future of Coal Power?