Environmental Health, Harvard School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA.
Sci Total Environ. 2012 Mar 1;419:1-6. doi: 10.1016/j.scitotenv.2012.01.017. Epub 2012 Jan 31.
Current solutions continue to be inadequate in addressing the longstanding, worldwide problem of mercury emissions from small artisanal gold mining. Mercury, an inexpensive and easily accessible heavy metal, is used in the process of extracting gold from ore. Mercury emissions disperse, affecting human populations by causing adverse health effects and environmental and social ramifications. Many developing nations have sizable gold ore deposits, making small artisanal gold mining a major source of employment in the world. Poverty drives vulnerable, rural populations into gold mining because of social and economic instabilities. Educational programs responding to this environmental hazard have been implemented in the past, but have had low positive results due to lack of governmental support and little economic incentive. Educational and enforced intervention programs must be developed in conjunction with governmental agencies in order to successfully eliminate this ongoing problem. Industry leaders offered hopeful suggestions, but revealed limitations when trying to develop encompassing solutions to halt mercury emissions. This research highlights potential options that have been attempted in the past and suggests alternative solutions to improve upon these methods. Some methods include buyer impact recognition, risk assessment proposals exposing a cost-benefit analysis and toxicokinetic modeling, public health awareness campaigns, and the education of miners, healthcare workers, and locals within hazardous areas of mercury exposure. These methods, paired with the implementation of alternative mining techniques, propose a substantial reduction of mercury emissions.
目前的解决方案在解决小型手工采金业长期存在的全球汞排放问题方面仍然不够充分。汞是一种廉价且易于获取的重金属,在从矿石中提取金的过程中被使用。汞排放会扩散,通过对人类健康产生不利影响以及对环境和社会造成影响,从而影响人类。许多发展中国家都有大量的金矿矿床,这使得小型手工采金业成为全球主要的就业来源。由于社会和经济不稳定,贫困迫使脆弱的农村人口从事采金业。过去已经实施了针对这一环境危害的教育计划,但由于缺乏政府支持和经济激励,效果不佳。必须与政府机构共同制定教育和强制干预计划,以成功消除这一持续存在的问题。行业领导者提出了有希望的建议,但在尝试制定全面的解决方案以阻止汞排放时,他们也揭示了一些局限性。本研究强调了过去尝试过的潜在选择,并提出了改进这些方法的替代方案。一些方法包括买家影响力识别、风险评估提案,揭示成本效益分析和毒代动力学模型、公共卫生意识运动,以及对矿工、医疗保健工作者和处于汞接触危险地区的当地人进行教育。这些方法与替代采矿技术的实施相结合,提出了大幅减少汞排放的建议。