perusainespiiriä
Perusainespiiriä refers to the basic material circle or loop, a concept used in industrial ecology and circular economy frameworks. It describes the fundamental flow of raw materials through production, consumption, and waste management processes. The goal is to minimize the extraction of virgin resources and maximize the reuse, recycling, and regeneration of materials already in circulation. This concept emphasizes closing the loop, meaning that products and their constituent materials are designed for longevity, repairability, and eventual reprocessing, rather than being discarded after a single use.
The perusainespiiriä encompasses the entire lifecycle of a material, from its initial sourcing to its final