Tag: Marcelo Oliveira

• Friday, October 25th 2019 - 09:45 UTC

  Alarming level of mercury contamination in Amazon dolphins: illegal gold mining

  

  Amazon river dolphins are showing alarming levels of contamination mainly because of illegal panning for gold, conservationists say. Researchers measured contamination levels in 46 of these large freshwater creatures known for long, bottle-like snouts in major basins of Brazil, Bolivia, Colombia and Peru.