S5E36: Desert Defenders, We Remember You

For this episode on the weekend of Dia De Los Muertos, host Chris Clarke celebrates the life and  work of five departed desert defenders: Judith Ackerman of El Paso; Tomás Rojo Valencia of Sonora's Yaqui communities; Donna Charpied of Desert Center, CA; David Gaine of Lee Vining, CA, and Ken Sleigh…

S5E35: Blackbrush and the Desert's Long Memory

Blackbrush, Coleogyne ramosissima, is easy to overlook. Its tiny, dark leaves and gray stems can make a stretch of landscape look at best boring, at worst funereal. But this rose family plant’s low, dense canopy helps shape desert plant communities, and gives desert animals an important food source…

S5E34: Chihuahuan Desert 101 with Dr. Kevin Floyd

we realized that our continent's easternmost desert, the Chihuahuan Desert, is not as well known in many ways as its sister deserts like the Mojave and Sonoran. And we had to do what we can to rectify that! So in this episode, Chris chats with Dr. Kevin Floyd, botanical curator of the Chihuahuan De…

S5E33: From Starfleet to the Sonoran Desert: Coping With a Burro Onslaught

Listeners in Joshua Tree and Moab may think their homes are overrun with jackasses, but this episode's guest has got them beat. We talk with Dr. Jennifer Anderson, whose diverse career has brought her to stewarding 300 acres of Sonoran Desert landscape in Mohave County, Arizona. But restoring her f…

S5E32: Hiding Big Projects in Small Pieces

As promised a few episodes back, Chris explores a sneaky trick developers sometimes try to use to evade legally required environmental analysis of their projects. Segmentation, the term of art for dividing a large project into smaller pieces to obscure the environmental impacts of the whole project…

S5E31: Desert Dispatch, Data Centers, and the People Pushing Back

Desert Dispatch Media is bringing together artists and communities to document how the AI buildout is affecting desert lands and the people who live there. Chris talks with organizer Melinda Matson Spina, filmmaker Jodi Darby, and musician Sage Bond about their planned community-led documentary, a …

S5E30: Why Deserts Need Defending

For our 150th episode, we return to a foundational question: why does the desert need people speaking up for it? Chris offers four answers. Deserts are widely misunderstood as empty or expendable. They remain surprisingly understudied, even when familiar species such as Joshua trees are concerned.…

S5E29: Why Was the North Kaibab Trail Still Open?

Journalist Joe Dana of 12 News in Phoenix joins Chris Clarke to discuss questions raised by the August 29 flash flood in Grand Canyon National Park—and what happened inside the National Park Service before the disaster. After the 2025 Dragon Bravo Fire, Grand Canyon Trails Supervisor Adam Gibson w…

S5E28: 4 Things You Need to Know about Desert Flooding

Episode thumbnail photo by Bo Insogna. The deadly August 29 flood in Grand Canyon National Park received national attention, but it was not an isolated event. Flooding struck communities, parks and backcountry destinations across Utah, Arizona and New Mexico throughout the summer. Chris Clarke …

S5E27: Sonoran Toads and the Dirty Business of Ego Death

Journalist Kimon de Greef joins Chris Clarke to discuss his new book, The Ego Trip: Psychedelic Toads, a Trail of Deaths, and the Guru Who Peddled Transcendence. The Sonoran Desert toad (Incilius alvarius) spends most of the year underground, emerging to breed during summer rainstorms. It is also …