we break down every major energy source - including fossil fuels, nuclear, solar, and hydro - and rank them from best to worst! Which energy type is the most powerful? Which one is the cleanest?

Find out where energy comes from and what the main types of energy are ... power stations generate electricity from different energy sources, and how the electricity we use every day gets to ...

A lot of our energy comes from non-renewable sources such as coal ... themselves and can be used again and again. There are two types of energy: renewable and non-renewable.