
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.

This Green Earth includes interviews with local and national experts in the fields of water resources, air quality, environmental policy, fossil and renewable fuels, climate, conservation, ecosystems, agriculture, aquaculture and sustainability.
Christopher Cherniak is an environmental engineer with nearly 30 years' experience as an environmental consultant. Claire Wiley is an award-winning broadcast journalist. Together, they direct This Green Earth's mission: to educate listeners about the importance of environmental preservation, conservation and stewardship.
This Green Earth is sponsored by:
For questions and inquiries, or to inquire about appearing on the show, contact the hosts directly at thisgreenearth@kpcw.org.
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Award-winning science journalist Judith Schwartz talks about her latest book, "The Reindeer Chronicles - and Other Inspiring Stories of Working with Nature to Heal the Earth."
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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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Faculty lecturer for the University of Utah and award-winning photojournalist, Jonathan Duncan discusses the Great Salt Lake. He guides us through its storied history to where it stands today, and predictions for its future.
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Matthew Boyer, researcher at the University of Helsinki's Institute for Atmospheric and Earth System, 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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Tom Mills of Alpenglow Energy discusses the recent bill passed by Congress regarding the expiration of the solar tax credit.
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Marine biologist and author Helen Scales shares more about how shells are shaped. And, she walks us through her new book, "What the Wild Sea Can Be."
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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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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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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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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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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.