Coal

By Roman Espejo

Subjects: Coal mines and mining, Coal mines and mining, safety regulations, United states, environmental conditions, Science & Nature, Clean coal technologies, JUVENILE NONFICTION / Science & Nature / Earth Sciences / Rocks & Minerals, Environmental aspects, Coal, Energy resources, JUVENILE NONFICTION, Earth Sciences, Rocks & Minerals, Safety measures

Description: "Coal : is coal the future of energy?; Is coal use justified?; Should coal use be phased out?; Is coal mining safe?"--