This Green Earth | January 20, 2026 By Claire Wiley Published January 20, 2026 at 3:59 PM MST Listen • 49:01 KPCW Jill Tidman, Executive Director of The Redford Center, takes a look back at some of the Sundance Film Festival's most powerful environmental films. (01:10) University of Utah atmospheric scientist Derek Mallia shares a new data-driven modeling tool to help visualize a shrinking Great Salt Lake and what that means for toxic dust along the Wasatch Front. (21:58)