Variable energy patterns over time.

The use of energy in all countries around the world has changed over time because of a small number of factors which have occured in recent years:

1) Technological development-Due to this, renewable energy technology is advancing steadily, nuclear energy was only available from the 1950s onwards and oil and gas reserves are extracted in deeper waters than ever before.

2) Increasing international wealth-Average incomes increase, resulting in improved living standards which requires the increasing demand for energy…