03-02-2013 01:43 via dailymail.co.uk

Ypacarai Lake turns toxic green - Daily Mail

Ypacarai Lake turns toxic green
Daily Mail
This once-crystal clear lake has turned bright green because of a toxic algae, killing fish and forcing residents to wear masks to disguise the unbearable stench. Blue-green algae, also known as cyanobacteria, has had a devastating effect on Ypacarai ...y más »
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