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    Africa's mines ditch polluting practices

    Workers mix gold ore with mercury and pan it to separate gold particles at the Nsangano gold mine in Geita, north Tanzania.


    Scheme could herald a ‘green gold’ revolution as mines commit to ban child labour, enforce safety rules and prevent toxic run off

    In a bustling area of Nyarugusu, in the heart of Tanzania’s gold lands, a stocky man is fanning a dustbin lid of smouldering charcoal, gold ore and mercury on the pavement. Each waft sends a cloud of toxic vapour into the faces of children and adults as they gather to watch.

    The burning of mercury is a common sight in the streets, homes and cottage-industry mines throughout east Africa. The liquid metal is used to extract the gold and then vaporised to leave behind flakes of the precious metal.

    But in this dangerous industry, seeds of a gold revolution are being sown: Fairtrade International announced this week that up to 12 mines in Tanzania, Uganda and Kenya are on course to sell Africa’s first ethical gold within a year.

    There are no official figures for how many Tanzanians are poisoned by mercury fumes, but accounts of memory problems, sickness and impaired vision are common in the small mines that litter the countryside. The sight of open mercury poisoning may seem shocking, but it is just one of a host of appalling working conditions that blights the production of gold throughout east Africa.

    Tanzania is Africa’s fourth largest gold producer. About 15 million people work in mines – many illegal, small-scale and unlicensed – producing about 200 to 300 tonnes a year. Most miners work 24-hour shifts without basic safety helmets, boots or goggles in fragile mines with little or no timber supports.

    On the surface, the ore is crushed by women using hammers or mortars, sometimes with babies on their knees. In some mines, cyanide is used to remove gold from low-grade ore. Like mercury, it is highly toxic. Mercury and cyanide pollution into rivers is common and, according to a report last week by Human Rights Watch, child labour is rife.

    But the Fairtrade scheme could herald a change. Under a three-year scheme funded by Comic Relief, the mines are changing working practices – banning children, enforcing health and safety rules and preventing toxic run off – in the hope that shoppers in Europe, Asia and America will be prepared to pay more for “green gold”.

    In return they will get a fairer price for their gold and a Fairtrade premium that can be invested in mines, education, childcare and community groups.

    At the Ilani mine near Nyarugusu, in the northwest of Tanzania, the appropriately named Golden Hainga has already barred children from his mine and processing areas, and runs a crèche. Open burning of mercury is banned and personal protection equipment is compulsory.

    Lufta Weja, 30, has worked at the mine for five months. “The main difference between other mines is health and safety,” he said. “It’s the first time I’ve had a helmet – in other mines we had no helmets, or gloves or boots.”

    A few miles from the Ilani mine, Renatus Nsangano has also been working with Fairtrade to improve working conditions. But change is slow. His mine suffers from a chronic lack of capital and cash flow, and is vulnerable to the low prices paid by local gold brokers.

    “My dream is to be able to use the technology that was used in Tanzania 50 years ago,” said Nsangano.

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