By A Mystery Man Writer
Coal use has fallen in the US, but it remains in high demand elsewhere in the world.
Dirty Coal Production Around the World
Chart: Fossil Fuels: Dirty But Necessary?
The lives of coal miners in the early 20th century
Dirty Coal Production Around the World
Coal production worldwide. Panel (A) shows country coverage and
Lignite mining: Greece's dirty secret - in pictures, Coal
Column: What does 'clean coal' mean and can it save the planet
Ukraine's Illegal coal mines: dirty, dangerous, deadly
How the dirty and dangerous job of coal mining is getting a
How Hard Is It to Quit Coal? For Germany, 18 Years and $44 Billion