Today, tens of thousands of these abandoned hardrock mines continue to leak acidic, metal-laden water into pristine streams ...
YELLOWKNIFE, Northwest Territories—This small subarctic city has a big problem. There are 237,000 metric tons of arsenic trioxide locked in the subterranean caverns of Giant Mine on the edge of ...
Regeneration, a Washington-based public benefit company, is turning abandoned mine waste in the river valleys of Yukon and ...