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

Summit Community Power Works has launched a new website,  The website is a collaboration between Utah Clean Energy, Summit County and Park City and outlines dozens of activities residents can employ to reduce their energy, water, solid waste and fuel consumption.

Paul Burnett with Trout Unlimited talks about the challenges facing Utah’s cold water fisheries and aquatic habitats.

Hosts Nell Larson and Chris Cherniak are joined by author Jana Richman to talk about her new book: Finding Stillness in a Noisy World. In a culture where every voice wants to be heard, Richman's essays asks us to put down our phones, pull out our earbuds and listen to the one "voice" that, many times, matters most - nature.    

Professor John Bailey from Oregon State University's Department of Forest Engineering Resources and Management joins This Green Earth.  The average number of wildfires great than 1,000 acres has roughly doubled since 1980. The conversation surrounds the size, frequency and intensity of western wildfires and the role of climate change on these conditions. 

In the second segment, Grace Garver with the Safe Climate Campaign talks about  the proposed rollback of fuel economy standards for U.S. trucks and automobiles. 

This Green Earth - August 7, 2018

Aug 7, 2018

Florida is experiencing the worst outbreak of both blue-green algae and red tide in decades.  The fresh water, blue green variety is impacting lakes, rivers, canals and wetlands throughout south Florida, while the salt water based red tide is impacting shorelines along the states southwest coast.  Today, Chris and Nell speak with Dr. Timothy Davis, an expert in the science of plankton ecology and what’s behind this biological one – two punch that is killing Florida’s marine life and harming humans as well.

Chris and Nell talk with D.R. Michel, Executive Director of the Upper Columbia United Tribes and he negotiations going on between the U.S. and Canada over the Columbia River Treaty. Although these tribes have depended on the Columbia River for clean water and salmon for the past 50-years, the Columbia River Treaty has excluded tribal participation in its tribal in its governance and implementation.  This year is no different and they asked Michel why this continues to occur.

Chris and Nell speak with David Nimkin, Southwest Regional Director of the National Parks Conservation Association about a bipartisan bill introduced by congress that would provide funding to repair aging infrastructure in America’s more than 4-hundred national park sites.  The Restore Our Parks and Public Lands Act would provide 5.2 billion dollars in dedicated funding to address the maintenance backlog.

In The past two weeks, more than two dozen pieces of legislation and policy initiatives designed to weaken the Endangered Species Act have been voted on in Congress or proposed by the White House.  Chris and Nell Speak with Rebecca Riley, staff attorney with the Natural Resources Defense Council about these proposed bills and the impacts they would have to the ESA .

In this segment of the program, Luke Cartin with Park City Municipal and Chad Ambrose with Rocky Mountain Power talk about a joint venture they are involved with, one which provides LED lighting systems to local businesses.