Our ancestors discovered that rubbing amber produces electrical cost. 5. Nuclear: Perhaps probably the most controversial type of renewable energy is nuclear vitality. Electrical energy is produced from the power launched by nuclear reactions. Whereas fission (splitting) is the main source used today, curiosity continues in developing chilly fusion Currently, although, power plants producing power using nuclear fission are among the most secure plants. In addition they generate power without emitting air pollution. In Europe, France advantages enormously as its nuclear power produces the most cost effective electricity (in accordance with 60 Minutes).