Britain's urban rivers cleanest in 20 years
Cardiff, UK (SPX) Jun 03, 2014 - Scientists from Cardiff University have found that Britain's urban rivers are the cleanest they've been in over two decades. The 21-year study of over 2300 rivers measured the presence of clean-river invertebrates - a yardstick for river health - which during the days of heavy industry and poor sewage treatment had declined considerably, but now appear to be making a comeback. Although cli ... more
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