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This Green Earth

This Green Earth | December 16, 2025

By Chris Cherniak,

Claire Wiley

Published December 16, 2025 at 1:18 PM MST

Marine mammal scientist Naomi Rose immerses us in the wonderful watery world of orcas and answers questions around their unique pod dynamics: why and how orcas interact with boats, more about their matriarchal pods and their interesting hunting techniques. From the cost of Portugal to the San Juan Islands, Dr. Rose educates us on these unique ocean creatures. (01:24)

David George Haskell illuminates and celebrates the emergence of the varied sounds, starting with the origins of animal song and traversing the whole arc of Earth history in his book, "Sounds Wild and Broken." From rain forests booming with insect sounds to swamps pulsing with frog calls we learn about evolution’s creative powers. (25:03)

This Green Earth

Chris Cherniak

Chris is the co-host of “This Green Earth”, a weekly radio show covering environmental news and issues. Broadcast on KPCW, the NPR affiliate for Park City. He also sits on the boards of Recycle Utah and Summit Community Power Works.

See stories by Chris Cherniak

Claire Wiley

Claire is the producer and co-host of This Green Earth and host of The Local View.

See stories by Claire Wiley