From waste management to protein innovation: Black soldier fly as an embodiment of the circular bioeconomy

The Black Soldier Fly (BSF), Hermetia illucens, represents a sustainable source of protein by converting organic waste into valuable products. BSF production requires minimal resources compared to traditional livestock and generates significantly lower greenhouse gas emissions (about 0.017 kg CO₂-eq per kg protein versus 57–500 kg CO₂-eq per kg protein for livestock). Diverting 1 % of global food waste to BSF production could yield an estimated 332,000 metric tonnes of protein annually and 1 million metric tonnes of organic fertilizer. This paper explores the economic, environmental, and operational dimensions of BSF production, focusing on supply chain strategies that optimize scalability and sustainability. Analyzing configurations such as vertical integration, distributed systems, and nucleus-plasma models, it identifies critical factors shaping supply chain design and environmental impacts. The findings emphasize the importance of supportive regulations, continued research investment, and strategic supply chain development.