KPCW's This Green Earth

Tuesday, 9-10 AM

Hosts Chris Cherniak and Nell Larson
Credit Mark Maziarz

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

The program 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.

TGE has interviewed a number of individuals from different environmental fields including: writers Andrew Revkin, Terry Tempest Williams, Craig Childs, Richard Louv and Paul Erlich; politicians like the Mayors of Park City and Salt Lake City; policy analysts from the Natural Resources Defense Council and the Environmental Defense Fund; scientists and researchers from the Monterey Bay Aquarium to the National Weather Service; and, local sustainable business owners from Copper Moose Farm, Main Street Olive Oil Company, Whole Foods Market and Fairweather Natural Foods.

Christopher Cherniak is an environmental engineer with nearly 30 years experience as an environmental consultant. Nell Larson is an environmental scientist , educator and a graduate of the Yale School of Forestry. Together, they direct This Green Earth's mission, which is to educate listeners about the importance of environmental preservation, conservation and stewardship.

Contact Chris and Nell via email at

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What People are Saying About This Green Earth

"This Green Earth offers an in-depth analysis of current environmental issues that affect our local and global community.  The conversations between the hosts and their guests is enlightening and challenging, but at the same time has a light touch that makes the issues accessible to a wide listening audience.  An invaluable resource for our community." Katy Wang

"This Green Earth does an excellent job recruiting knowledgeable and interesting guests.  As someone who's been involved in the "green" sector for many years, I'm consistently impressed with the ability of Katie and Nell to introduce me to something new!"  Tyler Paulsen, former Sustainability Office, Park City Municipal

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Ways to Connect

Tuesday on This Green Earth, Nell and Chris first speak with authors of a study which shows that, for the first time in almost 80 years, Black Bears are re-populating portions of eastern Nevada's Great Basin.   Then, in the second half of the show, arborologist   Jason Barto talks about the impacts the lack of snow is having on your trees, and how watering them - yes, this week - might be a good idea.  It's This Green Earth, Tuesday at 9am. 


Ashley Solteysiak is the new director of the Sierra Club’s Utah Chapter.  Chris and Nell visit with her to learn a bit about her background and get the outlook for the 2018 state legislative session, focusing on legislation that impacts our air, land and water. Then, in the second half of the program, they talk about the inversion occurring along the front range of the Wasatch with Randy Graham, a meteorologist with the National Weather Service.

The President visited Salt Lake City Monday to announce his plans to reduce the proposed Bears Ears National Monument by 50-percent.  Sharon Buccino is an attorney and land policy expert with the National Resources Defense Council.  Chris and Nell talk about this decision with her, what legal actions can and will be pursued to challenge it, and what this decision means to the fate of other national monuments across the country.  Then in the second half of the program, they shift gears and talk about our growing trash problem in Park City.

On today’s program, Chris and Nell visit with Jess Dwyer with the Salt Lake Chapter of Dark Sky International.  They speak about light pollution, its impact on our health and environment and what some communities are doing about it. 

  It's turkey time and Americans will be "gobbling up" tens of millions of them this Thursday.  The majority of them are raised on large-scale, CAFO-like settings and many are fed and injected with chemicals, anti-biotics and other pharmaceuticals to produce heavier birds with rapid growth.   Join Chris Cherniak and guest co-host Renai Bodley Tuesday morning on This Green Earth when they talk to the Center for Food Safety about the turkey industry and it's impacts to the animals, our environment and ourselves.

  Today on This Green Earth, Nell and Chris speak with James Costa, the author of the new book:  Darwin's Backyard:  How Small Experiments Led to a Big Theory. Costa explains how Darwin's simple experiments on plants, insects and animals living in his own backyard, helped advance many of his revolutionary ideas on evolution and natural selection.  



















Chris and Nell’s first guest is Marlee Ostheimer from the National Forest Foundation.  Marlee talks about the effort to reintroduce the Bonneville Cutthroat Trout to Mill Creek.  The second guest is Urs Kormann, a post-doctoral research scientist at Oregon State University.  Urs talks about “forest edges” and what species avoid and benefit them.  

  Chris and Nell speak with Jon Schutz, a local water rights attorney.  Jon will summarize the history of water rights in Utah, how they were established using ecclesiastical control, when that changed and why, even with growing demand and regional drought, concepts like "use it or lose it" are still used today.   Then, former Congressman Bob Inglis talks about a speech he is giving this Friday, November 3rd at the Hinckley Institute of Politics.  Bob is a republican from South Carolina who received high marks from his colleagues and constituents until he embraced one subject - climate chan

On This Green Earth this morning Chris and Nell speak with students from BYU and the University of Utah on how they are collaborating with, and competing against, each other on climate change education, awareness and initiatives.  Then they speak with the Western Environmental Law Center about the Department of Interior's recent attempts to delay the implementation of a rule which would reduce the amount of methane gas emitted into the atmosphere from natural gas wells and distribution systems.     

Last week, the EPA announced they would be repealing the Clean Power Plan, an effort put forth by the Obama administration to reduce U.S. electricity generation using fossil fuels. Chris and Nell’s first guest is Jon Goldin Dubois, president of Western Recourses Advocates, an environmental non-profit.  He shares his thoughts on why this repeal is such a bad idea, not just for the environment and our climate, but for economic reasons as well.