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Ancient Maya reservoirs contained toxic pollution: study

Reservoirs in the heart of an ancient Maya city were so polluted with mercury and algae that the water likely was undrinkable. Researchers from the University of Cincinnati found toxic levels of pollution in two central reservoirs in Tikal, an ancient Maya city that dates back to the third century B.C. in what is now northern Guatemala. UC's findings suggest droughts in the ninth century likely contributed to the depopulation and eventual abandonment of the city. "The conversion of Tikal's central reservoirs from life-sustaining to sickness-inducing places would have both practically and symbolically helped to bring about the abandonment of this magnificent city," the study concluded. Read more...

 

 

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