Over the past decade, Rio Tinto Kennecott — home to the world’s deepest open pit mine — has taken massive strides in reducing ...

Plans for a massive open-pit mine threaten wild salmon and bears at two of Alaska's wildest national parks. Lake Clark and Katmai National Parks and Preserves in Alaska are a part of one of the ...

The Russian aluminum producer Rusal completed construction of the Cheremukhovskaya - Glubokaya mine in its pit in Severouralsk ... The shaft is the deepest in Russia and is among top five deepest ...