Independent: The smallest of the Canary Islands will become the first island to be fully powered by wind and water when it opens a new wind farm this summer. Around 10,000 people live on El Hierro, the most southern of the Spanish islands, and when the wind plant is switched on it will take the strong winds that whip of the cliffs and mountains of the volcanic island and power it. The energy harvested at the plant will be used to pump water up to a large reservoir in a volcanic creator 700 metres above sea...