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Issue 73
, 2016
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 First polluted river in the world discovered

Source: The Times of India, Date: , 2016

New Delhi, Dec 5, 2016 : Scientists have discovered what could be the world's first polluted river, contaminated about 7,000 years ago by Neolithic humans who may have been producing copper metals from ores.In the now-dry riverbed in the Wadi Faynan region of southern Jordan, Professor Russell Adams from the University of Waterloo in Canada, and colleagues found evidence of early pollution caused by the combustion of copper. The findings shed light on a turning point in history, when humans began moving from making tools out of stones to making tools out of metal. This period, known as the Chalcolithic or Copper Age, is a transitional period between the late Neolithic or Stone Age and the beginning of the Bronze Age.

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