从减少二氧化硫排放量到改进复田重垦技术,很多矿业公司的环保工作正在不断克服困难中取得进展。在很多情况下,矿业公司与环保管理人员都能共同协力解决复杂的问题。世界最大的镍产地国际金属公司面临的最大问题是减少冶炼厂排放的二氧化硫。政府要求到1994年全加拿大排放的二氧化硫要 From reducing sulfur dioxide emissions to improving rehabilitation of reclamation fields, environmental protection in many mining companies is making steady progress in overcoming difficulties. In many cases, mining companies and environmental managers work together to solve complex problems. The biggest problem facing international metal companies, the world’s largest nickel producer, is reducing sulfur dioxide emissions from smelters. The government demanded that sulfur dioxide be discharged by all of Canada by 1994