Material Intensity Factors
The cornerstone of MIPS calculations are the material intensity factors. The Wuppertal Institute has the most extensive list of MI-factors. Factors are provided for a wide range of basic materials and energy. The factors indicate how many kilograms of natural resources in each of the five natural resource categories are used or transferred in the ecosystem to produce one kilogram of certain material or a unit of energy.
Read more about this topic: Material Input Per Service Unit
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