The public perception of discarded items and materials has also shifted from social output to reusable sustainable resources 4. As urbanization rates increase and natural resources shrink, the UN Sustainable Development Goals 11 and 12 proposed adopting the method of preventing, reducing, recycling and reusing-as well as properly collecting and discharging-urban solid waste to reduce its total by half globally by 2030. In the urban development process, many resources/materials that are difficult to recycle and reuse are directly discarded and left idle due to technological and process limitations. Thus, neglected decomposer (end-of-life) processes emulate sustainable natural cycles, treat them as a new cycle of renewable resources, reinput and carry out sustainable design and composition instead of understanding waste as a final and definitive social output to be eliminated 1, 2, 3. Manufactured systems and social production systems tend to focus on producers and consumers without considering the role of decomposers, ignoring waste processing or relying on natural absorption. Three sustenance clusters exist in ecosystems: producers (plants), consumers (animals) and decomposers (bacteria).
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