E1 - El Hierro

Aired: April 01, 2016

The Canary island of El Hierro, which produces most of its electricity from wind, is the focus of the premiere episode of the series, which examines islands that have embraced sustainable energy.

E2 - Madeira

Aired: April 08, 2016

On the Portuguese island of Madeira, the inhabitants are converting an irrigation system from the 15th century into a future-age energy storage facility.

E3 - Orkney

Aired: April 15, 2016

The Orkney Islands, which is studying whether tides and waves can be turned into an energy source, are spotlighted.

E4 - Samso

Aired: April 22, 2016

A look at the Baltic island of Samso, which produces more energy than it can use from wind turbines and straw-fuelled thermal power stations.

E5 - Iceland

Aired: April 29, 2016

Iceland's embrace of volcanic hydro power and geothermal energy, which provides almost all of its electricity, is detailed. Also: its effort to run all cars and its enormous fishing fleet on hydrogen.