Methylmercury

The new water-based process being used by some independent Mongolian miners can extract up to 80% of the gold from the ore and is much cleaner than processes using mercury or cyanide.

These Mongolian miners are making gold greener. Now they want their government to help.

Environment

Gold mining is a key source of income in Mongolia, but it can often be a dirty business. An effort by small, independent miners to switch to a non-toxic processing method is improving the outlook for their health and the local environment.

New study examines how mercury in fish develops

Environment
The World

Mercury in Sea Food: How Much is Too Much