The world is facing a serious water shortage. Humans are using more than 9 quadrillion liters of water per year (or 25 trillion liters per day), and more than one-third of people worldwide lack access to clean drinking water. For a long time, environmental groups have warned that desalination is not the answer to the shortage of freshwater because it is so energy intensive; depending too much on desalination would increase CO2 emissions while damaging marine habitats. But could new technology make desalination more sustainable? In honor of World Water Day, desalination company Energy Recovery has produced this infographic explaining how new advances in energy-efficient desalination technology could help provide clean water to those who need it most.

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