This Green Earth

Jill Tidman, executive director of The Redford Center, takes a look back at some of the Sundance Film Festival's most powerful environmental films. Then, 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.

Atmospheric scientist at the University of Utah, Derek Malia, discusses the new Great Salt Lake Basin Dust Exposure Modeling Tool. This new data-based tool allows users to visualize how different lake water levels impact dust exposure across Utah.

Executive Director of The Redford Center, Jill Tidman, provides a closer look into the origins of the organization and the many ways in which it supports environmental impact filmmaking.

We turn to HawkWatch International’s Conservation Science Director, Steve Slater to learn more about the fascinating life of bald and golden eagles. Then climate scientist at the University of California Dr. Daniel Swain joins the show to speak about what’s happening with this winter’s early-season snowpack. We discuss trends in weather and how the mountain west is reacting to a warming world and our current weather conditions.

Climate scientist at the University of California, Dr. Daniel Swain, joins the show to speak about what’s happening with this winter’s early-season snowpack. We discuss trends in weather and how the Mountain West is reacting to a warming world and our current weather conditions.

HawkWatch International’s Conservation Science Director Steve Slater discusses bald and golden eagles. Learn about eagle biology, nesting habits and conversation efforts for these large raptors.

Award-winning author Sophie Pavelle takes readers on a thrilling exploration of nature's symbiotic relationships in her latest book, "To Have or To Hold." Then acclaimed naturalist, filmmaker and essayist Priyanka Kumar shares insights from her latest book, "The Light Between Apple Trees: Rediscovering the Wild Through a Beloved American Fruit."

Award-winning author Sophie Pavelle takes readers on a thrilling exploration of nature's symbiotic relationships in her latest book, "To Have or To Hold."

Acclaimed naturalist, filmmaker and essayist Priyanka Kumar shares insights from her latest book, "The Light Between Apple Trees: Rediscovering the Wild Through a Beloved American Fruit."

Environmental engineer Chris Cherniak began the public affairs program This Green Earth on KPCW in 2006. We take a look back at some of the favorite guests and interviews over the years.