Like caves, mines vary much less in temperature than the world outside, in terms of both daily swings and seasonal fluctuations. TIMOTHY ARMSTRONG ET AL. One challenge for managers of land with ...

Deep in the Siberian wilderness sits the world’s largest diamond mine where ... has since become one of the most productive diamond mines in the world. Focusing on open-pit mining, it has ...

After revelations of child labor and treacherous conditions in many cobalt mines, automakers and mineral ... informal mining sector vaulted into the world’s headlines after Amnesty International ...