Dr Janardhan Reddy Koduru is an Associate Professor, in the Department of Environmental Engineering, Kwangwoon University, Seoul, South Korea. His research interests are as follows: Development of low-toxic nanomaterials or nanocomposites by synthetic chemistry and green routes and were utilized for energy and environmental applications. Synthesis of graphene oxide-based nanocomposites and nano-metal oxides impregnated bio-sorbents by advanced green ways for sustainable environmental remediation (water remediation). Management of waste biomaterials and re-use for environmental remediation.