Ninety feet of scrap | TIME ONLINE

Thousands of wind turbines are getting old and soon need to be dismantled or replaced. But the disposal of the disused rotor blades proves to be extremely difficult.

Wind turbines in the North Sea at Amrum
© Morris Mac Matzen / Reuters

A typical online ad from last year: "Rare
      Opportunity. Vestas V27 and V29 in working order. Price 55,000 euros. "For someone
      who knows the profession looks like a good opportunity. The abbreviations stand
      for wind turbine models of the Danish manufacturer Vestas. They are considered robust and reliable,
      says Bernd Weidmann, that's why they'll be used well even when needed.