Uma Shanker, PhD, is Associate Professor in the Department of Chemistry, Dr. B R Ambedkar National Institute of Technology Jalandhar, Punjab, India. His research focuses on Green synthesis of various types of nanomaterials and their applications in environmental remediation. He is interested in Environmental Nanotechnology, Green Chemistry and Environmental Analytical Chemistry.   Chaudhery Mustansar Hussain, PhD, is an Adjunct Professor, Academic Advisor and Lab Director in the Department of Chemistry & Environmental Sciences at the New Jersey Institute of Technology (NJIT), Newark, New Jersey, USA. His research is focused on Application of Nanotechnology & Advanced Materials, environment and analytical chemistry.   Manviri Rani, PhD, is Assistant Professor in the Department of Chemistry, Malaviya National Institute of Technology Jaipur, Rajasthan, India. Dr Rani completed her Ph D from Indian Institute of Technology Roorkee, India. Her research focuses on Environmental Nanotechnology, Green Chemistry and Environmental Analytical Chemistry. Dr Rani is an expert of analytical method developments for various persistent organic pollutants.