On top of a turbine
Media playback is unsupported on your device

Wind farms: View from the top of a turbine

This week, BBC News is taking an in-depth look at offshore wind turbines, and the challenges, costs and construction of these sea giants.

Here, science correspondent David Shukman heads out to the Irish Sea, to climb one of the towering turbines.

After an exhausting ascent, he describes the view from the top.