Oil
What is oil?

What is Petroleum?

What is crude oil?

What is meant by refining?

What do we use petroleum for?

How much do we use?

US average daily usage

World average daily usage

US Reserves

World reserves

Petroleum used for (at least three major categories)

What are oil spills?

How much impact do they have?

How long do they impact an area?

How much area is involved?

How long before we run out of petroleum?