How Does Soil Clean Water? - Do You Know?

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Pour some filthy water in the dirt, pump it back from a well - you can drink it! How did is get clean? Alfieri Pollice, a researcher in waste water treatment processes and technologies from IRSA-CNR, explains. euronews knowledge brings you a fresh mix of the world's most interesting know-hows, directly from space and sci-tech experts. Subscribe for your dose of space and sci-tech: http://www.youtube.com/subscription_center?add_user=euronewsknowledge Made by euronews, the most watched news channel in Europe.

Published 2015-09-28 · Watch on YouTube ↗
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