Biotechnology has emerged as a vital tool in environmental management, offering innovative solutions to address pressing environmental problems such as pollution, waste management, and the sustainable use of natural resources. By harnessing the capabilities of microorganisms, plants, and enzymes, environmental biotechnology focuses on reducing environmental hazards, restoring ecosystems, and promoting cleaner industrial processes. The applications of biotechnology in environmental management are extensive and can be broadly classified into areas such as waste treatment, pollution control, bioenergy production, and ecosystem monitoring. One of the most significant applications of biotechnology is in wastewater treatment. Traditional chemical or physical treatment methods can be expensive and may generate secondary pollutants. Biotechnological approaches, including the use of bacteria, fungi, and algae, facilitate the breakdown of organic matter and toxic compounds in wastewater. Microbial consortia are employed to degrade industrial effluents, dyes, heavy metals, and oil spills. For example, bioaugmentation involves introducing specialized microbial strains to accelerate the degradation of pollutants, while biostimulation enhances the activity of indigenous microorganisms by providing nutrients or favorable environmental conditions. The result is the efficient treatment of wastewater in an environmentally friendly and cost-effective manner. In solid waste management, biotechnology plays a crucial role in the decomposition of organic wastes through processes such as composting and biomethanation. Composting relies on microorganisms to convert biodegradable waste into nutrient-rich organic matter that can be used as fertilizer. Biomethanation, on the other hand, utilizes anaerobic bacteria to break down organic matter in the absence of oxygen, producing biogas primarily composed of methane and carbon dioxide. Biogas can serve as a renewable energy source for heating, electricity generation, and cooking, reducing dependence on fossil fuels. This process not only mitigates the environmental impact of organic waste disposal but also contributes to sustainable energy production. Another important application is in the bioremediation of polluted sites, which involves the use of living organisms to detoxify or remove hazardous substances from soil, water, and air. Microorganisms can metabolize organic pollutants such as hydrocarbons, pesticides, and industrial solvents, transforming them into less harmful compounds. Phytoremediation, a