mercury impact gold mining News

  • Reducing Mercury Impacts in Small-Scale Gold Mining

    Despite knowing full well the dangers of mercury, millions of small-scale gold miners across the globe continue to use the metal to separate gold from ore- usually because they have little other choice. The dangerously toxic mercury vapour is often inhaled by the miners and their families, since these activities are usually conducted in their homes, or by the owners of gold shops who will process ...

  • Use of mercury in gold mining stirs controversy in Brazil

    Scientists in Brazil have expressed concern that new regulations in the country's Amazonas state continue to permit the use of mercury in gold mining, and have put forward what they say are more environmentally-friendly alternatives. Mercury is used mainly in small-scale 'artisanal' mining, using amalgamation processes that extract gold from other minerals by binding it to the mercury, and then ...


    By SciDev.Net

  • Finding alternatives to mercury in small-scale gold mining

    Artisanal small-scale gold mining (ASM), largely practised in Asia, South America and Africa, contributes significantly to mercury emissions, both in the developing world and globally. A recent study investigates an alternative to using mercury in ASM. The EU Mercury Strategy1 recognises the need for global action to reduce mercury in the environment. This includes actions to help other countries ...

  • EPA Statement on Colorado data from Gold King Mine Release

    To assess the impacts of the release at the Gold King Mine near Silverton, Colorado, water quality samples were collected at numerous intervals beginning on Aug. 5, 2015. Samples were taken prior to the plume’s arrival to establish a baseline for water quality comparisons. Each surface water sample was analyzed for 24 metals, including arsenic, cadmium, lead, and mercury. Analysis now shows ...

  • EPA Releases Additional Data and Public Records on Gold King Mine Response

    Today the U.S. Environmental Protection Agency (EPA) released new data trend graphs and additional public records on the Gold King Mine response. What new documents are being released? EPA is releasing a contractor's Draft Technical Memo of the August 5 incident, including photographs, an EPA On Scene Coordinator's description of the events depicted in the photographs, and an EPA ...

  • EPA Update on Gold King Mine Response Efforts for August 16, 2015

    The U.S. Environmental Protection Agency is committed to working closely with response agencies and state and local officials to ensure the safety of citizens, respond to concerns and to evaluate the water impacted by the spill. Today EPA provided the following updates: Website Updates-NEW INFO Photos Related to Gold King Mine Response: ...

  • U.S. EPA Statement on San Juan River Data from Gold King Mine Release

    Today, U.S. EPA released additional water quality data from Aug. 7 to Aug. 9, 2015, on the San Juan River between Farmington and Shiprock, New Mexico. The August 7 data was collected for baseline purposes to understand river conditions at the Hogback monitoring location, prior to the impact of the upstream contaminants from the Gold King Mine release To assess the impacts of the release at the ...

  • EPA Statement on Data from New Mexico to Navajo Nation from Gold King Mine Release

    Today, EPA is releasing additional water quality data from Aug. 7 to Aug. 8, 2015 for the Animas and San Juan Rivers from the Northern Border of New Mexico to Navajo Nation. Based upon the surface water sample results in New Mexico surface water concentrations are trending toward pre-event conditions. To assess the impacts of the release at the Gold King Mine, water quality samples were collected ...

  • New global treaty cuts mercury emissions and releases, sets up controls on products, mines and industrial plants

    Japan, a country which has come to epitomize mercury poisoning in modern times, today became one of the first countries to sign a historic new international convention to reduce emissions and releases of the toxic metal into air, land and water and to phase out many products that contain mercury. The Minamata Convention on Mercury - a global, legally binding treaty which opened for signature ...

  • The quiet clean mining revolution

    Few industries have got the black eye, literally and metaphorically, of mining. After centuries of environmental effects ranging from toxic emissions to unsightly tailings ponds, acid mine drainage, massive energy consumption and other impacts, mining is slowly cleaning up its act. Why? Mostly because new clean technologies are increasing industrial efficiencies. They're lowering mining ...


    By GLOBE Foundation

  • Mercury 2013 to examine effectiveness of global treaty

    A legally binding agreement to reduce global mercury emissions was signed by 140 countries in January this year, amid delight that an important milestone had been reached in the control of toxic mercury emissions. However, the effectiveness of the treaty will be assessed by a panel of experts during ‘Mercury 2013’ - the International Conference on Mercury as a Global Pollutant (ICMGP) ...

  • Safeguarding human health from the effects of mercury

    Mercury is widely considered to be among the highest priority environmental pollutants of concern on the global scale. Although occupational exposure to inorganic mercury is a continuous problem, possible effects on broader sections of the population resulting from widespread dispersal of mercury in the environment has become a major concern in recent years. Mercury has been targeted by agencies ...

  • Report sheds light on benefits of small-scale mining

    The controversial practice of artisanal and small-scale mining could offer millions of marginalised people a sustainable livelihood, but there are serious knowledge gaps in the sector that hinder effective and inclusive policymaking, says a report published today (5 March). The lack of effective policies and knowledge required to generate such policies, as well as scant interest from ...


    By SciDev.Net

  • UNEP and Brazil Launch Research Project to Manage Mercury Risks

    Brazil's Ministry of Environment (MoE) and the United Nations Environment Programme (UNEP) today launched a new research project to help manage environmental health risks from mercury. The project, Development of Minamata Convention on Mercury - Initial Assessment in Brazil, aims to facilitate the ratification and early implementation of the Minamata Convention by providing key stakeholders in ...

  • United Nations convention tackling hazardous mercury to open for signature

    A landmark treaty to curb the use of mercury will open for signature on Wednesday, 9 October in Japan, marking a further watershed moment towards the global phase-out of the notorious heavy metal in many products and industries where mercury is used, released or emitted. The newest United Nations treaty, named the Minamata Convention after a Japanese city where serious health damage occurred as a ...

  • United Nations convention tackling hazardous mercury to open for signature

    A landmark treaty to curb the use of mercury will open for signature on Wednesday, 9 October in Japan, marking a further watershed moment towards the global phase-out of the notorious heavy metal in many products and industries where mercury is used, released or emitted. The newest United Nations treaty, named the Minamata Convention after a Japanese city where serious health damage occurred as a ...

  • Global Treaty on Mercury Pollution Gets Boost from United States

    The United States has strengthened the international effort to bring down emissions and releases of a notorious heavy metal after simultaneously signing and ratifying the Minamata Convention on Mercury. The treaty, adopted on 10 October in the Japanese city of Kumamoto and named after the place where thousands of people were poisoned by mercury in the mid-20th century, has now been signed by 93 ...

  • Remarks by Achim Steiner at the Opening of the Diplomatic Conference for the Minamata Convention on Mercury

    Your Excellences, ladies and gentlemen, The video we have just seen has a simple message. It is Time-time to begin lifting the health threat from mothers and babies. Time to give small-scale and artisanal miners and their families a better future. Time to clean up our fish by reducing contamination. Time to better protect the people of the Arctic and ...

  • World`s 10 Worst Toxic Pollution Problems

    The price of gold affects more than global finances; it also drives the world's most toxic pollution problem, according to new research from the Blacksmith Institute, an environmental health group based in New York City. Miners in countries from across Africa and Southeast Asia use mercury to separate the precious metal from the surrounding rock and silt. To then separate the resulting amalgam of ...


    By GLOBE Foundation

  • UNEP 2013 Annual Report Spotlights Action on Key Environmental Issues

    The United Nations Environment Programme (UNEP) in 2013 tackled a range of critical and emerging issues on the global environmental agenda, according to the organization's 2013 Annual Report, which was released today. The report focuses on UNEP's achievements in key focus areas: climate change; disasters and conflicts; ecosystem management; environmental governance; harmful substances and ...

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