What is coal?

Where does coal come from?

What is the difference between the types of coal?

Is there a process similar to refining that is needed for coal?

What are the main uses of coal?

How much do we use?

US average daily usage?

World average daily usage?

US Reserves

World reserves

Coal used for (at least three major categories)

What is mountaintop removal?

What wastes are generated when burning coal?

What pollution is associated with coal?

Coal ash spill?

How long do these impact an area?

How much area is involved?

How long before we run out of coal?