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Steel and copper are 100% recyclable. FRP is mostly recyclable. Surface freight in the us is over 16 billion tons a year, making the ZOMG 150 tons of 5MW wind turbine pretty trivial. That's 2 1/2 M1A1 Abrams tanks, by the way, or four semi trailers. A 5MW wind turbine such as the one being discussed, by the way, is a formidable construct: Which makes the following all the more impressive:
Undoubtedly, a well-sited and well-built wind turbine would generate as much energy as it embodies in less than a year. However, all of it will be in the form of intermittent electricity—while its production, installation, and maintenance remain critically dependent on specific fossil energies.