More than 130 nations begin mercury treaty talks
Delegates from more than 130 nations began a final round of negotiations on Sunday that are expected to lead to the creation of the first legally binding international treaty to reduce mercury emissions.
The treaty would set enforceable limits on the emissions of mercury, a highly-toxic metal that is widely used in chemical production and small-scale mining, particularly artisanal gold production.
The U.N. Environment Program reported last week that mercury pollution in the top layer of the world's oceans has doubled in the past century, part of a man-made problem that will require international cooperation to fix. The report showed for the first time that hundreds of tons of mercury have leaked from the soil into rivers and lakes around the world.
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