<li>Circular Economy Approach<br>Biosolids: Instead of discarding sewage sludge, it can be transformed into biosolids – nutrient-rich organic matter for soil improvement.<br>Bioplastics: Researchers explore using sewage-derived biopolymers for <a href="https://www.ecoreefproject.com/" target="_blank" rel="noopener" title="sustainable plastic production">sustainable plastic production</a>.</li>