REWAS 2016 : towards materials resource sustainability ; proceedings of a symposium sponsored by the Recycling and Environmental Technologies Committee, the Materials and Society Committee, the Extraction & Processing Division, and the Light Metals Division of the Minerals, Metals & Materials Society (TMS) held during TMS 2016, 145th Annual Meeting & Exhibition, February 14-18, Downtown Nashville, Tennessee, Music City Center /: towards materials resource sustainability ; proceedings of a symposium sponsored by the Recycling and Environmental Technologies Committee, the Materials and Society Committee, the Extraction & Processing Division, and the Light Metals Division of the Minerals, Metals & Materials Society (TMS) held during TMS 2016, 145th Annual Meeting & Exhibition, February 14-18, Downtown Nashville, Tennessee, Music City Center. (2016)