the mining of the sand is not material. the smelting of silica...

  1. Lithos
    892 Posts.
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    04/02/22
    14:15
    Post #: 59359298
    the mining of the sand is not material. the smelting of silica to Si(m) is one of the gravest CO2 emitting processes. making green electricity, it takes 7 years of operation to equalise the co2 expelled in producing the solar panel.
    Last edited by Lithos: 04/02/22
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