Environmental biotechnology is the branch of biotechnology that addresses environmental problems, such as the removal of pollution, renewable energy generation, or biomass production, by exploiting biological processes. It is the application of processes to protect and restore the quality of the environment. It focuses on the waste management & environmental improvement, development & demonstration of wastewater specific effective bioremediation options such as natural attenuation to bio-stimulation, bio-augmentation, or a combination of filtration, phytoremediation, microbial degradation, and bio-restoration technologies for restoration of degraded ecosystems.