Dr. Muhammad Zaffar Hashmi received Ph.D. in Environmental Engineering from Zhejiang University, China. Currently he is working as Professor at Department of Chemistry, COMSATS University Islamabad. Dr. Hashmi has also served as Invited Professor at NIDA Thailand and at School of Resource and Civil Engineering, Northeastern University China. Dr. Hashmi has research interest to develop treatment technologies to control Environmental and Industrial Pollution; to understand toxicology mechanisms of PCBs and to develop novel methods for monitoring of environmental pollution. Dr. Hashmi is book series editor with Elsevier: Advances in Environmental Pollution Research and Springer: Emerging Contaminants and Associated Treatment Technologies. 2018 Mustafa Science and Technology Foundation Iran awarded KANS Prize (OIC Countries). Dr. Hashmi is Associate Editor with Arabian Journal of Geosciences and Chemosphere. Dr. Hashmi published 9 books with Springer and 2 books with Elsevier, 20 book chapters with Springer and 100+ original research articles with h-index=31. Dr. Hashmi is Member of Pakistan Academy of Sciences and International Toxicology Society. He has served as Consultant for Indus River Disaster Management Plan in WWF.