The book provides the opportunity to connect with experts on water treatment techniques, eco-hydrology, hydro-informatics, emerging pollutants in water resources and water management from all over the world. Water is still one of the most significant problems in the world and especially in the Mediterranean region. In this thematic book, all possible approaches and suggestions aimed at finding solutions to overcome water scarcity, better alternatives to treat wastewater and ensuring access to clean water for all communities are valuable subjects that are included for directing authorities to take a step further towards overcoming water-related problems for everyone around the world.