More than 140 countries agree to curb mercury pollution

GENEVA: More than 140 countries have agreed on a set of legally binding measures to curb mercury pollution at UN talks.

Delegates in Geneva approved measures to control the use of the highly toxic metal in order to reduce the amount of mercury released into the environment, BBC News reported.

Mercury can produce a range of adverse human health effects, including permanent damage to the nervous system. The UN recently published data that showed mercury emissions were rising in a number of developing nations.

The deal was agreed after all-night talks. UN Environment Programme (Unep) spokesman Nick Nuttall told Reuters: “A treaty to start to begin to rid the world of a notorious health-hazardous metal was agreed in the morning of Jan 19.”

The rules, known as the Minamata Convention and named after the Japanese town that experienced one of the world’s worst cases of mercury poisoning, will open for nations to sign at a diplomatic conference later this year.

The convention will regulate a range of areas, including:

  • the supply of and trade in mercury;
  • the use of mercury in products and industrial processes;
  • the measures to be taken to reduce emissions from artisanal and small-scale gold mining;
  • the measures to be taken to reduce emissions from power plants and metals production facilities.

Ahead of the five-day meeting, the UN Environment Programme (Unep) published a report warning that developing nations were facing growing health and environmental risks from increased exposure to mercury.

It said a growth in small-scale mining and coal burning were the main reasons for the rise in emissions. As a result of rapid industrialisation, South-East Asia was the largest regional emitter and accounted for almost half of the element’s annual global emissions.

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Mercury – a heavy, silvery white metal – is a liquid at room temperature and can evaporate easily. Within the environment, it is found in cinnabar deposits. It is also found in natural forms in a range of other rocks, including limestone and coal.

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