Prashant K. Srivastava obtained his PhD from the Department of Civil Engineering at the University of Bristol in Bristol, UK,and currently serves on the faculty at the Institute of Environment and Sustainable Development at Banaras Hindu University inVaranasi, India. He formerly worked in the Hydrological Sciences Department at the NASA Goddard Space Flight Center andis currently an investigator for several national and international projects. He has published 100+ papers, many books, andseveral book chapters. He is also acting as an editorial board member of several reputed journals.