Chris Cherniak

Co-host of KPCW's This Green Earth.

Ways to Connect

On This Green Earth, Nell and Chris talk about why our overnight lows are not so low anymore. 

Across the continental US this summer it was unusually hot, particularly at night. Overnight lows were the warmest on record for every state on the west coast and parts of the northeast. Utah experienced its warmest summer nights on record, with nighttime lows in the Salt Lake City area now averaging almost nine degrees Fahrenheit warmer than those recorded in the 1960's.

On This Green Earth, we speak with Vicky Ward, Overflights Program Manager for the National Park Service.

Along with the increased number of feet hiking through park lands, the number of aircraft flying the local skies has also increased. And, with that comes sources of air and noise pollution that impact the parks.

Ward will discuss what Air Tours are, how they impact the national parks, and the role she is playing in developing and overseeing the Air Tour Management Plan. 

On This Green Earth, we welcome Dr. Brian Moench, an anesthesiologist and founder of Utah Physicians for a Healthy Environment.

Dr. Moench, talks about the proposed Inland Port near the Salt Lake City airport. Specifically, he addresses the impacts such a facility would have on air quality and the health of those that live in the salt lake basin. 

On This Green Earth, Nate Brooks, Summit County Environmental Health Director, comes on the show to talk about the County's proposed Grey Water System Program.

Brooks also gives us an update on this year’s unusually high tick season.

On This Green Earth, Kimberly Hersey, Mammal Conservation Coordinator for the Utah Division of Wildlife comes on the show to talk with Nell and Chris.

Hersey takes us into the world of the elusive and adorable river otter. She fills us in on otter sightings in Utah, and why tracking them can help inform us about the health of the aquatic environment throughout our state. 

On This Green Earth, Brian Tonetti, Executive Director of Seven Canyons Trust, joins Nell and Chris to talk about the opening of Three Creeks Confluence Park.

This is a restored plot of land in the Glendale part of Salt Lake City where three creeks meet the Jordan River.

Tonetti will share the importance of this project and how it will impact the local ecology as well as the neighborhood's health and welfare.

On This Green Earth, Robert Dewey, vice president for government relations with Defenders of Wildlife joins Nell and Chris.

Dewey comprehensively breaks down the wins and losses for biodiversity in the interior appropriations spending bill for 2022.

Dewey says that species are being lost faster than ever before in human history, and that adequately funding protections for endangered species is the missing half of this bill.

On This Green Earth, Nell and Chris bring birder Nate Brown on the show.

Brown is a local bird authority, and he gives us the scoop on all the different species of birds that can currently be found in Utah, and what we could potentially see in the coming months. 

He also talks with them about how to be good stewards of the land and the birds when you go out.

On This Green Earth, co-host Nell Larson has just returned from the Arctic National Wildlife Refuge.

She and Chris talk about what she experienced during her three weeks there.

On This Green Earth, Zach Frankel with Utah Rivers Council talks about the Great Salt Lake.

This important body of water is now registering at an all-time low.

Frankel explain the circumstances behind the low levels, including the ongoing drought and man-made diversions of water that otherwise would go into the lake.

On This Green Earth, Nell and Chris speak with Walt Meier, Senior Research Scientist with the National Snow and Ice Data Center.

Arctic sea ice is in full melt for the next couple of months, and Meier brings us the latest data on where the levels are now and what is expected to come.


On This Green Earth, NYU Professor Colin Jerolmack comes on to talk about fracking.

The U.S. is the only country where property rights commonly extend beneath the Earth’s surface, granting landowners the ability to lease land for fracking, despite any health issues or environmental damage it may cause.  

On This Green Earth, we hear from Nate Brooks, the Environmental Health Director for Summit County.

Brooks comes on to talk about ticks; dog, deer and otherwise. 

For several reasons it seems the number and distribution of ticks has increased throughout the county. 

We discuss the reasons for this increase, the different types of ticks, what diseases they potentially carry, and what can be done to reduce your exposure to them.   

On This Green Earth, Cathy Collentine, associate director with the Sierra Club, comes on the show to discuss TC Energy’s recent decision to cancel the construction of the remaining portion of the Keystone XL Pipeline.

The highly controversial pipeline would have conveyed tar sands oil from Alberta, Canada to a distribution center in southern Nebraska.

Collentine also shares that although the Keystone XL Pipeline is off the table, an even bigger pipeline is in the works. 


On This Green Earth, Mary Mason, a Forest Geneticist with the US Forest Service, comes on the show.

Mason discusses the issues that are facing the North American ash trees. The ash borer invasion that slipped into the US around the turn of the millennium, most likely on a container ship, is now in 35 states and responsible for the deaths of hundreds of millions of trees.

Mason shares what is being done to save our ash trees.