Desalination technologies are increasingly important. Only 2.5 percent of all the water on Earth is freshwater suitable for drinking or irrigation. As populations grow and sea levels rise with climate change, the world needs more freshwater just as the supply dwindles. Proven methods of desalination can increase the freshwater supply, but it is not easy or free. The infographic below outlines the problem, some of its solutions and the technological challenges that remain.
About the Authors
This infographic was created as a collaboration between the American Society of Mechanical Engineers and Engineering for Change. As with other content on this website, it is published under a Creative Commons licence.
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