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

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

This Green Earth is Sponsored by:

Special SCPW Quarterly Reports Provided by:


Ways to Connect

 John Lin, a professor of atmospheric sciences talks about a new study which shows that the processes that create ozone pollution in the summer can also trigger the formation of air pollution in the winter.   This unexpected finding suggests that certain efforts to reduce harmful wintertime air pollution may actually be backfiring. 

This Green Earth - May 21, 2019 Jeff Bousson

May 21, 2019

   Jeff Bousson, Climate Program Manager for Summit Community Power Works stops by to discuss the groups upcoming programs and activities associated with energy efficiency, energy waste and renewable forms of electricity.

During the second segment of This Green Earth, Kelly Nokes, an attorney with the Western Environmental Law Center, joined Chris and Nell to discuss the use of "cyanide bombs" or M-44 devices used to poison native wild predators such as coyotes on public land as well as private property. Kelly shared the current legal status of these and proposed legislation to discontinue their use.  

During the first half of the show, Nell and Chris learned about the Wasatch Wildlife Watch, a massive citizen science effort using camera traps to gather data about wildlife in the Wasatch Front and how they are impacted by humans. Dr. Mary Pendergast from Wild Utah Project, and Austin Green with the University of Utah joined Chris and Nell to share the details and how listeners can get involved as volunteers.

During today's show, Nell and Chris spoke with Daisy Fair, Manager of Copper Moose Farm, about the upcoming 2019 season and the open house on Saturday that will kick it off.  Daisy also discussed the subtleties of organic and biodynamic growing and shared some of the best practices used at the farm.  She also shared the news that Copper Moose Farm is now home to a rookery of Great Blue Herons.  

In the second half of the program, author John Ross talks about his new book:  THE PROMISE OF THE GRAND CANYON: John Wesley Powell’s Perilous Journey and His Vision for the American West.

Today on This Green Earth, a study on wild bees.   A groundbreaking two-year study in southern Oregon found greater abundance and diversity of wild bees in areas that experienced moderate and severe forest fires compared to areas with low-severity fires.   

In This special "Best Of" edition of This Green Earth,  Chris and Nell speak with author Earl Swift  who discusses how the rising ocean is slowly making a unique island in the Chesapeake Bay disappear, making it's 400 residents the first possible climate change refugees in America. 

In a special "Best Of" edition of This Green Earth, the first part of the program features how climate change is threatening America's National Parks, especially in the west. Chris and Nell visit with author Stephen Nash.

The third and final guest was Naomi Smith a sophomore at Park City High School, who gave a recap of the student-led Climate Strike at the Capitol Building in Salt Lake City, why she attend, and what she intends to do next.

The second guest on the show was Lauren Lockey, giving an overview of local non-profit Sage Mountain Rescue and their work providing sanctuary to rescued farm animals and educating about the impacts of eating meat and animal mistreatment.

During the first half of the show, Nell and Chris were joined by Kirk Wallace Johnson, the author of The Feather Thief: Beauty, Obsession, and the Natural History Heist of the Century.  They learned the story of the 20 year old flautist Edwin Rist, who committed one of the most unusual crimes of the 21st century by stealing 299 bird skins from the British Natural History Museum.  This theft destroyed an important ecological record gathered by Darwin's peers, disturbing an entire portion of the earth's evolutionary record.  Listen in to learn why and how he did this, and the fate of these i

During the second half of the show, Nell and Chris spoke with Summit Community Gardens about their upcoming season full of programs for youth and adults as well demonstration gardens and community garden plots available to the public.  

On April 9th, Chris and Nell spoke with Julia Case, University of Utah Sustainability Major and board member of the Sustainability Board at the University.  She shared the upcoming Earth Week events being offered at the U, including a lecture by Dr. Arlene Blumm on Environmental Health, drawing lessons from her vast mountaineering experience.  

During the second half of the show, Nell and Chris spoke with Luke Cartin with Park City Sustainability Department.  Luke gave an in-depth review of House Bill 411, a bill that enables communities to go 100% renewable by 2030, and is the first of its kind in the Nation. Luke also covered other sustainability related legislation related to plastic bag bans, idling, and air quality.