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Bordoe: emissions accrued in building wind turbines are accounted for in emissions, which is why wind is zero emissions for generation, but goes up to 20g/kWh with lifecycle analysis.Compare to 1000g/kWh for coal. Nuclear is 50/usg-kWh.Obvio60ly, if new wind turbines were built with materials mined by electric equipment powered by wind power, emissions would get down to zero. So it is just an issue of scale.