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  • The contribution of mining enough metal to make a kettle to environmental degradation pales into insignificance next to the destruction wrought by your selfish insistence on having hot drinks

  • Granted hydro power displaces people and destroys large swaths of forested land thereby releasing mercury and other toxins, but it's not as bad as coal or nuclear.
    So you don't have an answer?
    :)

  • So you don't have an answer?

    My answer is that the difference is too small to matter. In straight energy to refine from ore terms, Ti takes nearly three times as much as Al per unit mass of metal, and the Al one probably uses less mass too, but that's still less than 100kWh difference per kettle, equivalent to about 2000 hot drinks

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