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10/26/2013

Topic Reading-Vol.563-10/26/2013

Dear MEL School’s Topic Readers,
Nations adopt landmark mercury pollution convention
Not the planet but chemical element. It is also called “quicksilver” or “hydrargyrum.” It’s not hard metal but is liquid at standard temperature and pressure and used in thermometers, barometers, mercury switches and fluorescent lamps. It is inexpensive and useful but is highly toxic. One of the world’s worst cases of its poisoning occurred in Minamata in Japan in the 1950’s. Many people still suffer from the effect of the toxicity.
The Minamata Convention finally adopted legally binding treaty to reduce the supply, trade, use and emissions of mercury around the world to curb the pollution.
Enjoy reading and learning about this conventional yet toxic metal.


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