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Scientists researching wastewater, Arizona, USA
Scientists testing water and soil as part of research into the safe reuse of wastewater, Arizona, USA. Lysimeters (foreground) are devices used to measure the transport of water through soil. This research aims to see whether treated wastewater can be safely reused, especially for agriculture. Agriculture in the US accounts for 80% of drinkable water consumption, so introducing wastewater use could reduce water shortages., by Stephen Ausmus/US DEPARTMENT OF AGRICULTURE/SCIENCE PHOTO LIBRARY
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