Traces the history of coal, discussing how it has been used in different cultures, how it is mined, what negative effects it has had on people, economics, and the environment, and the role it has played in world history and development.
Traces the history of coal, discussing how it has been used in different cultures, how it is mined, what negative effects it has had on people, economics, and the environment, and the role it has played in world history and development.
