Iceland hot on renewable energy use

Iceland is looking to be the first country to run completely on renewable energy.

The country has cheap and environmentally friendly power because the volcanic activity that formed the island 50 million years ago still provides a useful natural resource.

Spencer Kelly visits Iceland to discover whether it really can get its energy from plugging into the planet.

Watch more clips on the Click website. If you are in the UK you can watch the whole programme on BBC iPlayer.