Environmental Engineering Reference
In-Depth Information
Figure 3.1 The world's primary energy supply (2008)
Table 3.1 The main sources of energy
Sun's energy is, by far, the dominant source of energy on Earth (
Table 3.1
).
The world's energy matrix in 2008 was dominated by fossil fuels, of which oil
composed 34.6% of the total, coal 28.4%, natural gas 22.1%, and nuclear 2.0% rep-
