Preface

Water holds the key to life on Earth. Every cell, every ecosystem, and every human society thrives on its availability. Yet, access to clean, safe water is far from universal. Globally, 2.7 billion people live in water-stressed countries, facing scarcity that worsens with climate change and population growth.

*Water Purification – Present and Future* presents a comprehensive review of the different types of water, the elements that negatively affect their quality, and the industrial processes for water purification, desalination, and energy production. It includes twelve chapters organized into five sections:


We would like to thank all the authors for their contributions, and we hope that this book will help save our planet from the water crisis, as without water, there will be no living organisms, including us!

## **Magdy M.M. Elnashar**

Professor, Faculty of Health Sciences, School of Medicine, Curtin University, Perth, Australia

National Research Center, Center of Excellence for Advanced Sciences, Cairo, Egypt

### **Selcan Karakuş**

Associate Professor, Faculty of Engineering, Department of Chemistry, Istanbul University-Cerrahpaşa, Istanbul, Turkey

Section 1
