David Shukman climbing a wind turbine
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Wind farms: Climbing to 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.

He describes how exhausting it is to reach the top.

  • 15 Aug 2011