Green nanotechnology represents a pioneering and eco-friendly strategy for addressing biological pollutants. This approach involves the synthesis of nanomaterials through environmentally benign processes, minimizing the use of hazardous chemicals and producing materials that are both effective and sustainable. Green nanomaterials, with their high surface area and reactivity, are particularly well-suited for targeting and neutralizing a diverse array of biological pollutants. By integrating principles of green chemistry, this technology not only fosters the development of biocompatible and biodegradable nanomaterials but also enhances their functionality and safety. This paradigm shift is crucial for developing sustainable pollution control strategies that safeguard public health and maintain ecological equilibrium. The scope of green nanotechnology spans multiple environmental applications, including water purification, air quality enhancement, and soil decontamination. Studies illustrate the successful deployment of green nanomaterials in various contexts, highlighting their superior performance in terms of efficiency, cost-effectiveness, and sustainability compared to traditional methods. It underscores the transformative potential of green nanotechnology in environmental remediation. Despite its promising benefits, the broader adoption of green nanotechnology encounters several challenges, such as technical limitations, regulatory hurdles, and socio-economic concerns. Addressing these challenges necessitates a collaborative, interdisciplinary approach to advance research and innovation in this field. Green nanotechnology stands as a significant advancement in the management of biological pollutants, offering a sustainable and effective route to environmental remediation. Leveraging the unique properties of green nanomaterials paves the way for cleaner water, air, and soil, thereby contributing to a healthier and more sustainable future.