Knocking the tops off mountains also has altered water flow and made it more susceptible to pollution. Continue reading →
Here are some obscure substances that we couldn't do without.
Traces of the toxic element are floating across the ocean and getting into the ice. Continue reading →
Here are some spots on the planet where humans have really dug in.
A new map shows nearly 65,000 inactive mines--but many more are out there, posing environmental hazards.
One spectacular toxic mine waste leak in Colorado is just the tip of the proverbial iceberg. Continue reading →
Nations are trying to stake claims to mineral and energy wealth at the top of the world. Continue reading →
Peru leads South America in gold production and ranks fifth globally, but authorities say 20 percent of its exported gold comes from clandestine mines. Continue reading →
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