Describe the main energy resources available on Earth (fossil fuels, nuclear fuel, bio-fuel, wind, hydro-electricity, geothermal, tides, the Sun, and water waves).
Distinguish between renewable and non-renewable energy resources.
Compare ways that different energy resources are used for transport, electricity generation, and heating.
Understand the reliability of different energy resources.
Describe the environmental impact arising from the use of different energy resources.
Explain patterns and trends in the use of energy resources.
Evaluate the environmental issues arising from energy resource use and the political, social, ethical, or economic limitations in dealing with these issues.
