Definition: Ecological rucksack

Category: National accounts

The total input of primary materials and energy required for a particular product. Ecological rucksacks (or indirect material flows, or up-steam flows) is the life-cycle-wide material input during all upstream production stages minus the mass of a product itself. http://ec.europa.eu/eurostat/ramon/statmanuals/files/KS-34-00-536-__-I-EN.pdf
Source:
Eurostat, "Economy-wide material flow accounts and derived indicators - A methodological guide", Office for official publications of the European Communities, Luxembourg, 2000
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