Take a closer look Kennecott Utah Copper's 2011 Sustainable Development report at: http://2011sdreport.kennecott.com. At about 100 years old and nearly 10,000 acres in size, the Kennecott Utah Copper Tailings Impoundment utilizes multiple dust control and suppression efforts to minimize and reduce our impact on the environment. In this video, a 15-year veteran of Rio Tinto's Kennecott Utah Copper talks about these efforts and how it all ties to our ongoing sustainable development efforts.