Vaclav Smil has written extensively on the embodied chemistry of Wind-turbines, I figure it's worth sharing here because it seems relevant to the conversation. Chemical, petroleum, and nuclear engineers are scarce in Silicon Valley..... "Wind turbines are the most visible symbols of the quest for renewable electricity generation. And yet, although they exploit the wind, which is as free and as green as energy can be,…
2% of global steel production 1% of global coal production 0.3% of global oil production