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The water in the glasses comes from natural waters within a distance of 35 kilometers in the county of Jönköping, southern Sweden.  (Stefan Löfgren)
Sweden: Land Use

How to Stop the Browning of Lakes

Over the past 50 years, the water in lakes and watercourses has turned increasingly brown. The so-called browning has a negative impact on both drinking water production and ecosystems. If nothing is done, the water is likely to turn even browner — however, Swedish scientists provide hope.

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