Alpine lakes, dramatic landscapes, abandoned mining towns, postcard-worthy hikes, the Canadian Rockies. These are all things you could say when describing Banff in a game of Taboo, but there's a ...
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 ...