Caption:
With water shortages a growing problem around the world recycling waste water has become increasingly important. Made by euronews, the most watched news channel in Europe.

Further information:
"European researchers have come up with a cheap and efficient tool":https://ec.europa.eu/jrc/ to control the safety standards of waste water in a development that should boost the recycling effort.

The research is being carried out at a greenhouse in south-east Italy where different methods of the irrigation of tomatoes are being compared.

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Link this video: http://www.science-media.org/89