Dealing with water scarcity (IMAGE) Shibaura Institute of Technology Caption Scarcity of freshwater in many parts of the world calls for improved and sustainable methods of wastewater treatment Credit PS Photography on Pexels Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.