Mercury already forms part of Guayana's landscape; in the map of Bolívar state five spots reported to be contaminated by mercury are highlighted. Environmental experts have been warning about the subject for more than 30 years; however, the most recent scientific research shows that the toxic effects have been spreading along with the growing illegal mines in the Southern part of the country.
The last warnings came from the basin of River Caura last year, supported by a research conducted by the La Salle Foundation, which confirmed the existence of mercury levels above the normal rate in most indigenous people examined in five sanema and ye'kwana communities of the area.
http://www.eluniversal.com/nacional-y-politica/130309/guayana-is-polluted
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