Materials: Difference between revisions

    (work on the intruduction)
    (+ = See also = + Energy + Material input per service unit can be used to measure eco-efficiency)
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    Consumerium's information on materials, their production, use and recycling
    Consumerium's information on materials, their production, use and recycling.


    Materials consist of one or more [[w:chemical element]]s. [[w:List of chemical elements|118 different elements]] have been identified, of which 94 occur naturally on earth.
    Materials consist of one or more [[w:chemical element]]s. [[w:List of chemical elements|118 different elements]] have been identified, of which 94 occur naturally on earth.
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    == Recycling plastics ==
    == Recycling plastics ==
    * Many types of plastic can be recycled to make plastic.
    * Many types of plastic can be recycled to make plastic.
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    = See also =
    * [[Energy]]
    * [[Material input per service unit]] can be used to measure [[eco-efficiency]]