FOSSIL FUELSTarget:Describe each type of fossil fuel. Explain how it forms, is removed, and is processed. Discuss where it is found and the supply of the fossil fuel.

Why is energy so important?

Should ANWR be opened for drilling?

How is the earth heated?

99% solar energy Indirect forms of renewable solar energy such

as wind, falling and flowing water, and biomass

1% commercial energy sold in the marketplace Nonrenewable mineral resources such as oil,

natural gas, and coal

What is the world’s current consumption?

78% fossil fuels (33% oil, 23% coal, 22% natural gas)

6% nuclear 10% biomass 5% hydropower 1% geothermal, wind,

and solar

nonrenewable

renewable

In developing countries, half of the people use biomass.

What is the U.S.’s current consumption?

86% fossil fuels (39% oil, 24% natural gas, 23% coal)

8% nuclear 3% biomass 3% hydropower,

geothermal, wind, and solar

nonrenewable

renewable

.

What is net energy and how do you determine it?

Net energy: the usable amount of high-quality energy available from a given quantity of a resource. Net energy = total energy available from the

resource over its lifetime – amount of energy used, automatically wasted, and unnecessarily wasted.

Figure 17-7

Oil

Formation

Removal

Processing Location

Supply

Natural Gas

Formation

Removal

Processing Location

Supply

Coal

Formation

Removal

Processing Location

Supply