Coal

By Roman Espejo

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

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