Wind farms are a joke, page-62

If sarcasm makes you feel better then I'm happy for you. Everything has its design life and wind turbines are no exception.

http://www.windmeasurementinternational.com/wind-turbines/om-turbines.php

Coal mines have a use by date too, as do coal fired power stations. Plenty of derelict buildings and bridges around too. If you are trying to argue that we should build stuff to last forever then you won't be building much and what you do build will be inordinately expensive.