Industrial Pollution may seem like a modern phenomenon, but in fact, an international team of researchers may have discovered what could be the world’s first polluted river, contaminated approximately 7,000 years ago. Wadi Faynan, Jordan, where researchers found evidence of ancient pollution caused by the combustion of copper  [Credit: Barqa Landscape Project/University of Waterloo]In this now-dry riverbed in the Wadi Faynan...

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