Banner image: The mining dredges are equipped with a metallic arm that stirs up the riverbed in search of gold. Image courtesy by Bruno Kelly/Greenpeace.

Suction dredge mining is a recreational mining practice that vacuums up stream bottoms and riverbeds in search of gold, destroying vital wildlife habitat, increasing sedimentation and suspending toxic ...

The subjects, who did not present the legal documentation of the dredges, nor the permits to ... and detainees were engaged in illegal gold mining, “in a sector owned by Colombians and the ...

Illegal dredging for gold on the Porce river in Antioquia Colombia is threatening the country's largest hydroelectric power generation installation, Hidroituango. Earthworks by criminal miners to ...