John Marzluff, Professor Emeritus of Wildlife Science at the University of Washington, discusses his highly acclaimed book “Gifts of the Crow: How Perception, Emotion, and Thought Allow Smart Birds to Behave Like Humans.”

Chris and Claire speak with John Vucetich, a professor of wildlife ecology at Michigan Tech. He is the author of a new book about wolves titled, "Restoring the Balance: What Wolves Tell Us About Our Relationship With Nature."

Colette Adkins, Carnivore Conservation Program Director and Senior Attorney at the Center for Biological Diversity, joins the show to talk about the fate of gray wolves in the northern Rocky Mountains after they were denied Endangered Species Act protection.

Then, journalist David Owen of the New Yorker discusses his book "Where the Water Goes: Life and Death Along the Colorado River."

Chris and Claire speak with Recycle Utah’s Mary Closser about the recent Green Business Awards and welcome local award winners Kimberly Flores with Fulfilled and Julie Finnegan from Abode Luxury Rentals.

Dr. Paddy Sullivan, Director of the Environment and Natural Resource Institute, talks about why Alaska’s rivers are quite literally rusting.

In this episode of This Green Earth , Chris and Nell first speak with (2:31) Toni Westland, the Supervisory Refuge Manager at the J.N. "Ding" Darling National Wildlife Refuge located in Sanibel Island, Florida. She'll describe how Hurricane Ian impacted the land, plants and animals at the refuge and how, just two weeks later, the refuge is showing signs of recovery.Then, in the second part of the show, (29:43) Julie Wraithmell, Executive Director of Audubon Florida talks about the impact which hurricane Ian had to birds and habitat across those parts of Florida that fell within Ian's path.

In this episode of This Green Earth hosts Nell and Chris will be talking with (01:55) Dave Goulson. Goulson is a Professor of Biology at University of Sussex who has published more than 300 scientific articles on the ecology and conservation of bumblebees and other insects. He has just released a new book called "Silent Earth - Averting the Insect Apocalypse." Goulson will share more on the dramatic decline of insect species and how this can directly impact all life on Earth.Then (25:23) Dr. John Francis a.k.a. the “Planetwalker” comes on the show. Francis is an author and environmental professor. His environmental work began in 1971, when he witnessed an oil spill in San Francisco Bay. It was then that he gave up the use of motorized vehicles and began to walk. He then went on to create the nonprofit Planetwalk, an environmental awareness organization, took a vow of silence for 17 years, and received multiple degrees, including a PhD in Land Resources.

On this episode of This Green Earth , Nell Larson and guest co-host Katy Wang will speak with (0:59) Mindy Wheeler, the rare plants coordinator for the state of Utah. She’ll explain what it means to protect Utah’s native plants, and share the results of their new Utah Pollinator Habitat Grant program.Then (24:40) Heather Watkins of Bold Reuse and Celia Peterson from Park City Municipal Corporation talk about the idea of a circular economy and how this and other ideas will help them approach the city’s stated goal of zero waste by 2030.

Today on This Green Earth, host Chris Cherniak brings back a best of show with (1:02) Yale University lecturer Wake Smith, who teaches a course on climate mitigation. The course syllabus forms the basis of his new book, Pandora's Toolbox: The Hopes and Hazards of Climate Intervention. In it, Smith offers readers an accessible introduction to the hopes and hazards of some of humanity's most controversial technologies. Then (27:17) Dr. David Stoner, Assistant Professor for Wildland Resources at Utah State University. Smith discusses the ever-increasing encounters with wildlife that Utah hikers and campers are having. Stoner provides facts about mountain lions, shares why drought and warming may increase human encounters, and explains how best to handle an encounter.

Today on This Green Earth, Chris Cherniak and guest host Claire Wiley speak with (02:10) Walt Meier, Senior Research Scientist with the National Snow and Ice Data Center who shares the science behind studying Environmental Arctic Change and what the outlook is for Arctic sea ice.Then, (26:18) acclaimed author Ben Rawlence comes on the show to discuss his new book, The Treeline, which takes us along the critical frontier of our warming planet from Norway to Siberia, Alaska to Greenland, to meet the scientists, residents and trees confronting huge geological changes.