Remind me again why these are okay?

2 years ago
53

Besides killing birds, a two-megawatt windmill is made up of 260 tons of steel that required 300 tons of iron ore and 170 tons of coking coal, all mined, transported, and produced by hydrocarbons. It holds 700 gallons of oil and hydraulic fluid, and these fluids need to be replaced every 9 months.

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