They burst into flames, they kill birds and the don't generate much electricity.
Oh and the wind blows them over:
The £250,000 tower, which stood as tall as a ten storey building, was hit by gale force gusts of 50mph.
The structure then collapsed at a farm in Bradworth, Devon, leaving a "mangled wreck".
Yep, wind turbines are such a brilliant solution to our energy problems!