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PODCAST

This Green Earth

Chris Cherniak, Claire Wiley

This Green Earth is a weekly, hour-long program that focuses on the environment and environmentalism. Co-hosts Christopher Cherniak and Claire Wiley explore the science, politics, economics and ethics behind the environment, natural resources and sustainability.

science earth sciences

All Episodes

50:16

This Green Earth | October 28, 2025

This Green Earth ·

2025/10/28

Walt Meier, senior research scientist at the National Snow and Ice Data Center explains how and why Arctic sea ice has been receding for years and the global ramifications of this loss. Then Ronda Carnegie, executive director and co-founder of Project Dandelion an organization calling on the women of the world to unite for a climate safe world, talks about their campaign for women with smallholder farms.

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51:46

This Green Earth | October 21, 2025

This Green Earth ·

2025/10/21

National Geographic Explorer Dr. Lisa Briggs, an underwater archaeologist, archaeological scientist and documentary filmmaker is best known for her work excavating shipwrecks. Dr. Briggs discusses her scientific analysis on artifacts recovered from some of the world's most important underwater archaeological sites including Blackbeard's flagship, the Queen Anne's Revenge. Then biologist and author Karen Lloyd breaks down her firsthand account of the hunt for life beneath Earth’s surface.

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49:46

This Green Earth | October 14, 2025

This Green Earth ·

2025/10/14

Peter Kuper is an award-winning cartoonist who shares a visually immersive work of graphic nonfiction with his new book "INSECTOPOLIS: A Natural History." In the book, Kuper layers history and science with color and design, to tell the remarkable tales of dung beetles navigating by the stars, hawk-size prehistoric dragonflies hunting prey and mosquitoes changing the course of human history. Then, Bridget Lyons, a traveler, explorer, and former wilderness guide talks about her new book, "Entwined:

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46:36

This Green Earth | October 7, 2025

This Green Earth ·

2025/10/07

Science journalist Cara Giaimo dives into the ocean’s abyss to learn new approaches to life from some of the oceans most interesting creatures. In her latest book, "Leaving the Ocean Was a Mistake: Life Lessons from Sixty Sea Creatures," Giaimo uses the bizarre and fascinating adaptations of sixty marine creatures to offer humorous and insightful advice for living on land. Award-winning author Gary Ferguson has written for a variety of national publications and and has penned twenty-seven books on

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28:34

This Green Earth | September 30, 2025

This Green Earth ·

2025/09/30

Journalist Kevin Fedarko chronicles an ambitious and transformative journey with National Geographic photographer Pete McBride as they attempted a full traverse of the Grand Canyon on foot — a grueling 750-mile trek. Then, award-winning photojournalist Pete McBride tells the story of the Colorado River through photography, essays and a book titled, "The Colorado River: Chasing Water."

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50:13

This Green Earth | September 23, 2025

This Green Earth ·

2025/09/23

Author, conservationist and Utah resident, Brooke Williams, talks about his life of adventure and wilderness exploration and his new book, "Encountering Dragonfly." Then, Dr. Tom Smith from Brigham Young University's Wildlife and Wildlands Conservation Program shares more on Utah’s Rocky Mountain big horn sheep and efforts to keep their population thriving.

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51:09

This Green Earth | September 16, 2025

This Green Earth ·

2025/09/17

This Green Earth takes you on a journey to discover the fascinating world of Orcas with Naomi Rose, marine mammal scientist for the Animal Welfare Institute in Washington, DC. Dr. Rose talks about everything from how orcas create their pods to the reason some teenage whales have become a challenge for boaters. Then, traveling from the Amazon to Hawaii, Kenya to Georgia, journalist Kelsey Zimmerman talks to our world's farmers, indigenous leaders, and activists who are working with nature rather than

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49:38

This Green Earth | September 2, 2025

This Green Earth ·

2025/08/31

Geoscientist and author Marcia Bjornerud talks about her new book "Turning to Stone," which reveals how rocks shape our lives and sustain the planet. From aquifers that purify drinking water to basalt that regulates climate, she shows how rocks are the hidden infrastructure of Earth. Then, biologist and author Karen Lloyd shares a firsthand account of the hunt for life beneath Earth’s surface in her newest book, "Intraterrestrials: Discovering the Strangest Life on Earth."

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39:02

This Green Earth | August 26, 2025

This Green Earth ·

2025/08/26

Chris and Claire begin the show with Award-winning science journalist Judith Schwartz who walks us through her latest book, "The Reindeer Chronicles." Then, investigative journalist Nadia Hadman joins the program to discuss the uncertain future of researchers who study wildlife, air, land and water across our national parks system.

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47:06

This Green Earth | August 19, 2025

This Green Earth ·

2025/08/19

Faculty lecturer for the University of Utah and award-winning photojournalist, Jonathan Duncan joins the show to discuss the Great Salt Lake.

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46:07

This Green Earth | August 12, 2025

This Green Earth ·

2025/08/12

Tom Mills of Alpenglow Energy discusses the recent bill passed by Congress regarding the expiration of the solar tax credit. Then, Matthew Boyer, researcher at the University of Helsinki, shares a recent study of the foul-smelling fumes of penguin waste, which could help mitigate the impacts of climate change.

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49:23

This Green Earth | August 5, 2025

This Green Earth ·

2025/08/05

Marine biologist and author Helen Scales shares more about how shells are shaped with her new book, "What the Wild Sea Can Be." Then, Sam Bloch comes on to shed light on his book, "Shade: The Promise of a Forgotten Natural Resource."

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45:34

This Green Earth | July 29, 2025

This Green Earth ·

2025/07/30

Chris and Claire revisit a conversation with award-winning, best-selling author John Vaillant who penned a highly lauded account of a colossal fire in his book "Fire Weather, A True Story from a Hotter World." Then, Sara Jo Dickens from Ecology Bridge and local mountain bike enthusiast Mike Sczcesny come on to talk about an opportunity to properly help clear out noxious weeds overtaking some of our more popular mountain biking trails on Park City Mountain.

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51:36

This Green Earth | July 22, 2025

This Green Earth ·

2025/07/22

Chris Perkins, Vice President of Programs at Outdoor Recreation Roundtable, shares more about the recently released Trail Map for Rural Development in America, a resource designed to guide federal, state, local, tribal, and philanthropic leaders in harnessing the power of outdoor recreation. (01:54)Then, climate justice and clean air advocate Meisei Gonzalez of GreenLatinos talks about the work being done by that organization. (48:01)

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42:05

This Green Earth | July 15, 2025

This Green Earth ·

2025/07/15

Southern Utah Wilderness Alliance Stewardship Director Jeremy Lynch and Stewardship Coordinator Talitha McGuire highlight the successes of their 2025 Stewardship Programs to date, what is still to come this year and how you can get involved. Then, the Nature Conservancy’s Director of Youth Engagement, Kate Ireland and Extern Marie Taylor who talk about about their externship programs on protecting the California sea otter.

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48:34

This Green Earth | July 8, 2025

This Green Earth ·

2025/07/08

Recycle Utah’s Jim Bedell and Troy Holding, along with senior manager at AMP Robotics, Sarah Daschbach, talk about the future of recycling. Then, author Katherine Palmer Gordon talks about her new book, "This Place Is Who We Are: Stories of Indigenous Leadership, Resilience, and Connection to Homelands."

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44:02

This Green Earth | July 1, 2025

This Green Earth ·

2025/07/01

Naturalist and author Jeremy Mynott discusses his new book, "The Story of Nature," which explores humanity’s evolving relationship with the natural world and asks whether we are its observers, managers or caretakers. Then, local Parkite and longtime arborist, Keith Clapier comes on the show to discuss what factors to consider when choosing a tree species to plant.

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48:59

This Green Earth | June 24, 2025

This Green Earth ·

2025/06/24

Kahea Pacheco of the Women’s Earth Alliance discusses how the organization empowers women leaders on the frontlines of the climate crisis through people-first, regionally-led programs that promote environmental, social and economic justice. Then, Trish Kenlon, founder of Sustainable Career Pathways and president of the Utah Sustainable Business Network, helps professionals transition into climate and sustainability careers while supporting hundreds of Utah organizations in advancing sustainable

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47:01

This Green Earth | June 17, 2025

This Green Earth ·

2025/06/18

The Nature Conservancy’s Director of Youth Engagement, Kate Ireland and Marie Taylor, a young extern leader, talk about the National Geographic Society externship program. Then, Ryan Elman Langendorf, a professor at the University of Colorado Boulder, speaks about the importance of sea otters and the health of kelp forests.

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46:08

This Green Earth | June 10, 2025

This Green Earth ·

2025/06/11

Kyle and Trevor Ritland share how they turned their father’s bedtime stories into an extensive investigation into Costa Rica’s golden toad after it was presumed extinct. They dive into a deeper story about ecological grief, overlooked local wisdom, and the possibility that hope still lingers in the cloud forest. Then, renowned writer and journalist John Vailliant talks about his most recent book, "Fire Weather: A True Story from a Hotter World," in which he describes the science of fire and forest

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102 results

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