"If we build them out of wood, large wind turbines could become a textbook example of the circular economy."
Apparently wind turbines use many recyclable plastics and have a lifespan of only 20 years. We're in a moment in time now when the first generation of turbines is ready for the scrapheap..
https://solar.lowtechmagazine.com/2019/06/wooden-wind-turbines.html