Dr. Vladimir Strezov is a professor and environmental science program director at the Faculty of Science, Macquarie University, Australia. He earned his PhD in chemical engineering at the University of Newcastle, Australia, where he jointly worked with the pyrometallurgy research team of BHP Research Laboratories. Dr. Strezov’s current research projects are concerned with the improvement of energy efficiency and the reduction of emissions in minerals processing, electricity generation and production of biofuels. He has established close links with several primary industries leading to successful joint projects in the field of energy and sustainability. He currently manages a laboratory for thermal and environmental processing funded in collaboration with the Rio Tinto Group. Dr. Hossain M. Anawar has been recognized for his significant research work on environmental chemistry and biogeochemistry. His research excellence is recognized in 57 peer-reviewed international SCI journals, 3 book chapters, many conference publications and books of the world eminent individuals such as Marquis Who’s Who in Science and Engineering, 2003. He has been regularly invited to referee manuscripts from 15 international leading journals. He has been appointed as guest editor, associate editor and editorial board member for a couple of international peer-reviewed SCI journals. His present research interests focus on the following areas: Environmental assessment, remediation, recycling and recovery of energy and resources from mining waste and tailing, municipal and industrial waste, biomass and agricultural waste; Renewable energy, sustainable development and environment; Synthesis and applications of nanomaterial, functional materials and bio-materials; Water resources management, aquatic chemistry and water quality; Treatment of drinking water, industrial and municipal wastewater.