Volcanic hydropower and geothermal energy meet nearly 100 percent of Iceland's electricity and heating demands, but the inhabitants aren't stopping there. Iceland intends to run all cars and its enormous fishing fleet on hydrogen.

How Samso in the Baltic became the energy paragon among Europe's islands. The 4,000 inhabitants decided to take the matter of energy supply into their own hands, using wind turbines and straw-fuelled thermal power stations.

A look at an ingenious energy solution on the Portuguese island of Madeira in the Atlantic, where the inhabitants are converting an irrigation system from the 15th century into a future-age energy storage facility.

A look at how the Orkney Islands north of Scotland have taken a different route to energy production, focusing on the town of Stromness, where for over a decade, the potential of wave and tidal power has been investigated.

The sun-drenched Canary island of El Hierro produces most of its electricity from wind. In order to have electricity on calm days, the island came up with an ingenious solution: an inactive volcano crater is now a pumped-storage power plant.