Proposed tailings dam expansion would become world’s second largest yet doesn’t automatically require environmental assessment
səl̓ílwətaʔɬ (Tsleil-Waututh), xʷməθkwəy̓əm (Musqueam) and Skwxwú7mesh (Squamish) Territories (Vancouver, B.C.) – Today twenty-two organizations sent a letter to Environment and Climate Change Minister George Heyman, calling on him to require an environmental assessment for the Copper Mountain Mine expansion. Copper Mountain Mine, located south of Princeton, B.C.