Rewilding Earth Podcast

40 Episodes
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By: The Rewilding Institute

The Rewilding Earth podcast, hosted by Jack Humphrey, highlights the work of the people involved in saving nature’s building blocks, whether they be intact wilderness or key corridors and buffers surrounding wilderness, as well as people invested in protecting and reintroducing extirpated species to these areas. You’ll hear from conservation biologists, activists, naturalists, organizers, artists, and authors as we interview key players in the fight to Rewild Planet Earth.

Episode 173: Laiken Jordahl on the Battle for Big Bend
Yesterday at 4:59 PM

Episode Summary In this episode, Jack sits down with Laiken Jordahl to discuss the immediate and unprecedented threat to Big Bend National Park and the surrounding West Texas borderlands. The conversation centers on current administration plans to extend border wall construction through one of America’s most iconic “crown jewel” landscapes. Laiken reveals how this project […]

Read full article: Episode 173: Laiken Jordahl on the Battle for Big Bend


Episode 172: “Homesick for a World Unknown: The Life of George B. Schaller” with Miriam Horn
04/17/2026

Summary In 1959, George Schaller entered the Virunga Mountains with nothing but a notebook and a folding chair. At a time when the world viewed the mountain gorilla as a savage, cinematic monster, George saw something else: a peaceful, social being whose world we were only just beginning to understand. By sitting lower than the […]

Read full article: Episode 172: “Homesick for a World Unknown: The Life of George B. Schaller” with Miriam Horn


Episode 171: The Hidden Universe of Springs with Larry Stevens
04/03/2026

Dr. Larry Stevens is the curator of ecology at the Museum of Northern Arizona and the director of Springs Stewardship Institute (SSI). He received his Ph.D in zoology from Northern Arizona University in 1989, and served as the ecologist for Grand Canyon National Park from 1989 to 1994. Well-respected in the field of ecology, Dr. […]

Read full article: Episode 171: The Hidden Universe of Springs with Larry Stevens


Episode 170: Paul Watson Defending the Southern Ocean with Operation Krill Wars
03/20/2026

Paul Watson, Founder & Director, Paul Watson Foundation Captain Paul Watson is a marine wildlife conservation and environmental activist, renowned speaker, accomplished author, and master mariner. Watson was one of the founding members and directors of Greenpeace. In 1977, he left Greenpeace and founded the Sea Shepherd Conservation Society. In 2022, he founded the Captain […]

Read full article: Episode 170: Paul Watson Defending the Southern Ocean with Operation Krill Wars


Episode 169: Reba Elliott on the Strategic Power of Older Women in Defense of Public Lands
03/06/2026

Reba Elliott Reba Elliott is the Executive Director of Great Old Broads for Wilderness, the only national environmental network for older women. Reba also serves on the Advisory Circle of Daughters for Earth, coordinates the Movement Building Committee of the National Wilderness Coalition, and is a fellow of the Yale Program on Climate Change Communication. […]

Read full article: Episode 169: Reba Elliott on the Strategic Power of Older Women in Defense of Public Lands


Episode 168: American Prairie’s Sean Gerrity on the Art of Thinking Bigger to Rewild the Planet
02/20/2026

Show Notes Sean Gerrity – Author of Wild on Purpose: The American Prairie Story and the Art of Thinking Bigger Sean Gerrity, founder and former CEO of American Prairie, discusses building the largest wildlife reserve in the Lower 48 states — bigger than Yellowstone and Glacier Parks combined. He shares how an “interim CEO” role […]

Read full article: Episode 168: American Prairie’s Sean Gerrity on the Art of Thinking Bigger to Rewild the Planet


Episode 167: Paul Lister on Rewilding Scotland’s Highlands at Alladale Wilderness Reserve
02/06/2026

Paul Lister, founder of the European Nature Trust and owner of Alladale Wilderness Reserve in Scotland, has spent 20 years restoring 23,000 acres through reforestation, peatland restoration, and deer management. He advocates for reducing meat consumption, addressing population growth, and redirecting wealth toward nature restoration, demonstrating through tourism and immersive experiences that rewilding degraded landscapes […]

Read full article: Episode 167: Paul Lister on Rewilding Scotland’s Highlands at Alladale Wilderness Reserve


Episode 166: Coral Reef Restoration with Sam Teicher of Coral Vita
01/23/2026

In this episode, we explore the frontlines of coral reef rewilding with Sam Teicher, co-founder of Coral Vita. While coral reefs cover a mere fraction of the ocean floor, they are the essential architects of marine life, providing the structural foundation for a quarter of all species in the ocean. We discuss the urgent shift […]

Read full article: Episode 166: Coral Reef Restoration with Sam Teicher of Coral Vita


Episode 165: Filming the Elusive El Tigre for “Borderlands Jaguar” with Austin Alvarado
01/09/2026

Episode summary Jack Humphrey interviews filmmaker Austin Alvarado about his work on the new Fin & Fur Films documentary “Borderlands Jaguar,” which documents jaguars at the Northern Jaguar Reserve in Sonora, Mexico. Austin shares his journey from river guide in West Texas to wildlife cinematographer, detailing the intense dedication required for remote camera work — […]

Read full article: Episode 165: Filming the Elusive El Tigre for “Borderlands Jaguar” with Austin Alvarado


Episode 164: Cuenca Los Ojos – A Rewilding Success Story Still Being Written with Valerie Gordon
12/29/2025

About Valerie and Cuenca Los Ojos Valerie Gordon’s conservation work spans more than two decades focused on endangered species, water, rangeland, and wildlife habitat. Most notably, she spearheaded the transition of Cuenca Los Ojos, a family foundation started by her mother, Valer Clark, into a non-profit that promotes land restoration in the U.S. and Mexico. […]

Read full article: Episode 164: Cuenca Los Ojos – A Rewilding Success Story Still Being Written with Valerie Gordon


Episode 163: Steve Carver on the Challenges of Implementing Rewilding Goals Across Fragmented Geographic, Cultural, and Political Landscapes
12/12/2025

Dr. Steve Carver is Professor of Rewilding and Wilderness Science in the School of Geography, University of Leeds and Director of the Wildland Research Institute. He has over 30 years of experience in GIS and multi-criteria evaluation, with special interests in wilderness, wildlands, rewilding, landscape evaluation, and public participation. He has worked extensively on the […]

Read full article: Episode 163: Steve Carver on the Challenges of Implementing Rewilding Goals Across Fragmented Geographic, Cultural, and Political Landscapes


Episode 162: Inside Dave Parsons’ Battle to Bring Back El Lobo and the Decades of Carnivore Advocacy That Followed
11/28/2025

Dave is retired from the U.S. Fish and Wildlife Service, where from 1990-1999 he led the USFWS’s effort to reintroduce the endangered Mexican gray wolf to the American Southwest. His interests include the ecology and conservation of large carnivores, protection and conservation of biodiversity, and wildlands conservation at scales that fully support ecological and evolutionary […]

Read full article: Episode 162: Inside Dave Parsons’ Battle to Bring Back El Lobo and the Decades of Carnivore Advocacy That Followed


Episode 161: Danny Giovale – The Vision to Innovate, the Passion to Rewild
11/14/2025

About Danny Giovale Danny Giovale is the founder and president of Kahtoola, an outdoor equipment company he established in 1999. As a native of Flagstaff, Arizona, Giovale was deeply influenced by the area’s local community and environment, which fostered a strong sense of stewardship that guides his work. Kahtoola, which specializes in winter traction products, […]

Read full article: Episode 161: Danny Giovale – The Vision to Innovate, the Passion to Rewild


Episode 160: Europe’s Big Three – Wolves, Bears, Lynx. Part 3: Spain’s Missing Lynx Makes A Cautionary Comeback
11/07/2025

Summary In this episode, Julius Purcell takes us into the heart of Spain’s Sierra Morena to explore the dramatic recovery of the Iberian Lynx, once the world’s most endangered feline. We follow the story from near-extinction to a conservation success, meet the people behind the restoration project, and examine the complex relationship between rural communities, […]

Read full article: Episode 160: Europe’s Big Three – Wolves, Bears, Lynx. Part 3: Spain’s Missing Lynx Makes A Cautionary Comeback


Episode 159: Europe’s Big Three – Wolves, Bears, Lynx. Part 2: The Brown Bear’s Rocky Return to the Pyrenees
10/31/2025

Episode Summary In this episode, Julius Purcell journeys deep into the Pyrenees to explore the dramatic story of brown bears—once nearly extinct in these mountains, now at the center of a fierce cultural and ecological debate. Through vivid field reporting, interviews with conservationists, shepherds, and locals, we trace the history of Pyrenean brown bear (Ursus […]

Read full article: Episode 159: Europe’s Big Three – Wolves, Bears, Lynx. Part 2: The Brown Bear’s Rocky Return to the Pyrenees


Episode 158: Europe’s Big Three – Wolves, Bears, Lynx. Part 1: The Wolf’s Uneasy Return to Germany
10/24/2025

Happy Wolf Awareness Week! Julius Purcell discovered his interest in audio while training as a journalist in the Middle East. He later worked as a deputy editor at National Geographic History magazine, a role that sparked his fascination with environmental history and rewilding. Julius’s audio series for the Rewilding Institute, “WOLF, BEAR, LYNX,” looks at […]

Read full article: Episode 158: Europe’s Big Three – Wolves, Bears, Lynx. Part 1: The Wolf’s Uneasy Return to Germany


Episode 157: The Jaguar’s Path – Rewilding a Continental Corridor with Sebastian Di Martino
10/17/2025

A biologist with a lifelong dedication to conservation, Sebastián Di Martino began his involvement with environmental organizations at the age of 13. He earned a degree in Biology in his native Argentina and a Master’s in Natural Protected Areas in Spain before working with the Directorate of Natural Protected Areas of the Province of Neuquén. […]

Read full article: Episode 157: The Jaguar’s Path – Rewilding a Continental Corridor with Sebastian Di Martino


Episode 156: The Golden Toad – Hope, Loss, and the Power of Conservation Storytelling
10/03/2025

Trevor Ritland spent two years in the cloud forests of Costa Rica before returning to the United States to complete graduate work in documentary studies and science communication. His writing and video projects explore imperiled species, environmental mysteries, and ghost stories. Trevor lives with his wife and daughter (and their dog, Indiana Bones) in Flagstaff, […]

Read full article: Episode 156: The Golden Toad – Hope, Loss, and the Power of Conservation Storytelling


Episode 155: Jaguars, Justice, and the Border Wall – Stories from the Frontlines With Russ McSpadden
09/19/2025

Russ McSpadden works to protect public lands and the wildlife who call them home in Arizona and the rest of the Southwest. Before joining the Center in 2012, Russ engaged in grassroots environmental activism. He holds a master’s degree in environmental history from Florida Atlantic University. Show Notes In this episode of the Rewilding Earth […]

Read full article: Episode 155: Jaguars, Justice, and the Border Wall – Stories from the Frontlines With Russ McSpadden


Episode 154: “The American Southwest” Elevates The Art of Storytelling In Wildlife Films
09/05/2025

With a Master’s degree in Conservation Biology from the University of Cape Town, Ryan Olinger is a wildlife biologist as well as an award-winning photographer and videographer. He has dedicated nearly a decade to studying a variety of species and the impact of climate change, with field experience spanning the American Southwest to Africa. Ryan’s […]

Read full article: Episode 154: “The American Southwest” Elevates The Art of Storytelling In Wildlife Films


Episode 153: Preparing For A Catamount Homecoming in the Northeast
08/22/2025

Renee Seacor is Mighty Earth’s Northeast Rewilding Director, where she oversees the campaign to reintroduce catamounts to the forests of the Northeast. Renee previously served as the Carnivore Conservation Director for Project Coyote, overseeing campaigns aimed at promoting coexistence with North America’s wild carnivore species. She has built a career in environmental advocacy, using litigation […]

Read full article: Episode 153: Preparing For A Catamount Homecoming in the Northeast


Episode 152: Wild Cat Rewilding In Pakistan
08/08/2025

Zafeer Ahmed Shaikh is an early-career conservationist from Southern Pakistan, mainly focused on initiatives dedicated to lesser-known wildlife species found in the country. He has a unique passion for the lesser-known wild cats of Pakistan. With the country’s tiger and lion populations gone, his focus shifted to the small, elusive species that still call Pakistan […]

Read full article: Episode 152: Wild Cat Rewilding In Pakistan


Episode 151: Tracing The Epic Journey Of Europe’s Most Famous Wolf With Adam Weymouth
06/13/2025

Adam Weymouth is a writer and journalist whose work has been widely published, appearing in Granta, The Atlantic, The Observer, and the BBC. Adam’s features have covered subjects as diverse as illegal cedar logging in Malawi, the politics of oil in Alaska, migration in Greece, flooding in Wales, and depopulation on the Outer Hebrides. His […]

Read full article: Episode 151: Tracing The Epic Journey Of Europe’s Most Famous Wolf With Adam Weymouth


Episode 150: Democratizing Wildlife Management Data To Protect Biodiversity And Habitat In The Superior Bio-Preserve
05/30/2025

The Superior Bio-Conservancy is an ambitious plan to protect and restore the biological integrity and hydrology of the Great Lakes Region and the Laurentian Forest Province throughout Minnesota, Wisconsin, and Michigan. The conservation plan will create maps and effectively advocate for the creation of protected wildlife corridors to connect large tracts of public (Federal, State […]

Read full article: Episode 150: Democratizing Wildlife Management Data To Protect Biodiversity And Habitat In The Superior Bio-Preserve


Episode 149: Rewilding The American Serengeti With Henry Pollock from Southern Plains Land Trust
05/23/2025

Henry has a background in ecology and conservation with a strong focus on quantitative, data-driven science and practice. He has a Ph.D. from the University of Illinois at Urbana-Champaign in Ecology, Evolution, & Conservation Biology and nearly 15 years’ experience as a wildlife biologist and academic researcher. He is dedicated to gaining ground for prairie […]

Read full article: Episode 149: Rewilding The American Serengeti With Henry Pollock from Southern Plains Land Trust


Episode 148: The Art of Finding Balance In Choppy Waters With Dana Lyons
05/16/2025

Bringing together a mix of comedy, ballads and love songs, Dana’s sharp wit and beautiful voice have him performing at concert halls, festivals, conventions, fundraisers and universities across the US and around the world. Dana’s music receives crossover radio play on country, rock, alternative, community, college and oldies radio stations worldwide. “Every movement has its […]

Read full article: Episode 148: The Art of Finding Balance In Choppy Waters With Dana Lyons


Episode 147: Alan Weisman On His New Book “Hope Dies Last”
04/25/2025

With books like the bestselling “The World Without Us,” a finalist for the National Book Critics Circle Award and translated into thirty-four languages, and “Countdown,” winner of the Los Angeles Times Book Prize, environmental journalist Alan Weisman has established himself as one of the most prophetic voices on humanity’s relationship to the Earth. For his […]

Read full article: Episode 147: Alan Weisman On His New Book “Hope Dies Last”


Episode 146: Randy Hayes’ Roadmap for an Ecological Civilization
04/11/2025

Randy Hayes has been described in the Wall Street Journal as “an environmental pit bull.” He is Executive Director of Foundation Earth, an organization fostering the big rethink from the ground up to help protect the planet’s life support systems. Hayes, a former filmmaker, then founder of Rainforest Action Network, is a veteran of many high-visibility corporate accountability campaigns […]

Read full article: Episode 146: Randy Hayes’ Roadmap for an Ecological Civilization


Episode 145: Calling All Citizen Scientists! How To Make A Big Impact On Your Next Adventure With Adventure Scientists
03/28/2025

Gregg founded Adventure Scientists in 2011 based on his passion for exploration, scientific discovery and galvanizing “the choir” to more directly participate in citizen science conservation. National Geographic named Gregg Treinish “Adventurer of the Year” in 2008 when he and a friend completed a 7,800-mile trek along the spine of the Andes mountain range, and […]

Read full article: Episode 145: Calling All Citizen Scientists! How To Make A Big Impact On Your Next Adventure With Adventure Scientists


Episode 144 | Fighting Back: Alaska’s Stand Against Trump’s Environmental Blitzkrieg
03/14/2025

Cooper Freeman works to protect Alaska’s wildlife, lands and oceans. Before joining the Center for Biological Diversity, he worked with Alaskan Native Tribes and Tribal organizations as a strategic planning facilitator and policy advisor, was program manager and development director at the Occidental Arts & Ecology Center in Northern California, and professionally guided class V […]

Read full article: Episode 144 | Fighting Back: Alaska’s Stand Against Trump’s Environmental Blitzkrieg


Episode 143: Beavering Beyond Boundaries With Joaquin Murrieta-Saldivar
03/07/2025

Joaquin Murrieta-Saldivar specializes in building resilience in diverse communities by enhancing the connections between people, culture, and natural resources. He brings vast experience on the multicultural border region between the US and Mexico, where he has implemented community-based approaches to watershed management, river restoration, geo-tourism, conservation of native peoples, and best practices for the ranching […]

Read full article: Episode 143: Beavering Beyond Boundaries With Joaquin Murrieta-Saldivar


Episode 142: Nadia Steinzor On Northeast Carnivore Recovery and Coexistence Through State Wildlife Agency Plans
02/21/2025

Nadia Steinzor is an environmental consultant with 25 years of experience in policy analysis, research, writing, and communications. She has developed and managed projects to investigate the oil and gas industry’s impact on the climate and communities, secure governmental protections for air, water, land, and wildlife, and engage the public in advocacy efforts. Nadia works […]

Read full article: Episode 142: Nadia Steinzor On Northeast Carnivore Recovery and Coexistence Through State Wildlife Agency Plans


Episode 141: Tom Biebighauser Gives A Wetland Rewilding Masterclass
02/07/2025

Since 1979, Tom Biebighauser has enthusiastically restored wetlands, lakes, streams, and rivers. He has designed over 10,000 wetland projects and successfully supervised the construction of more than 3,000 wetlands and streams in 26 states, three Canadian provinces, Mexico, New Zealand, Puerto Rico, and Taiwan. He has a deep and long-standing concern for the environment and […]

Read full article: Episode 141: Tom Biebighauser Gives A Wetland Rewilding Masterclass


Episode 140: California’s Natural Resources Secretary Wade Crowfoot On Beavers, Rewilding Rivers, and Wildlife Crossings
01/17/2025

Wade Crowfoot serves as California’s Natural Resources Secretary, leading efforts to conserve California’s environment and natural resources. He has served as Secretary since 2019 and advises Governor Newsom as a member of his cabinet. Secretary Crowfoot oversees an agency of over 25,000 employees spread across 26 departments, commissions, and conservancies. His agency is charged with stewarding […]

Read full article: Episode 140: California’s Natural Resources Secretary Wade Crowfoot On Beavers, Rewilding Rivers, and Wildlife Crossings


Episode 139: Year-End Recap With 2024 Guest Updates
12/30/2024

Welcome to our 2024 recap episode! This year, we’re doing something different. We’ve asked a group of our 2024 guests to come back and give updates on their work since their episodes aired. Thanks to our sponsor, Biohabitats, and to all the individual supporters of the Rewilding Earth Podcast and the Rewilding Institute! In this […]

Read full article: Episode 139: Year-End Recap With 2024 Guest Updates


Episode 138: No Surrender! Paul Watson Talks About His Latest Victory Over Japan and The Battles Ahead
12/20/2024

“It’s obvious to me that Japan [was] seeking revenge for the international humiliation caused by the Whale Wars TV series, reporting our actions against illegal whaling. But my two little boys need me more than Japan needs its revenge” – Paul Watson Special Episode: Finally released from Nuuk, Greenland prison, Paul Watson talks about Japan’s […]

Read full article: Episode 138: No Surrender! Paul Watson Talks About His Latest Victory Over Japan and The Battles Ahead


Episode 137: Paul Ehrlich On Saving Nature’s Populations and Ourselves
12/13/2024

About Paul Ehrlich Paul Ehrlich is the Bing Professor of Population Studies, Emeritus, and founder of the Center for Conservation Biology at Stanford. He has carried out field, laboratory, and theoretical research on the dynamics and genetics of insect populations, the evolutionary interactions of plants and herbivores, the behavioral ecology of birds and reef fishes, […]

Read full article: Episode 137: Paul Ehrlich On Saving Nature’s Populations and Ourselves


Episode 136: How To Save Greater Yellowstone From Runaway Sprawl
12/06/2024

Leon Kolankiewicz is Scientific Director of NumbersUSA and Vice-President of Scientists and Environmentalists for Population Stabilization. His career as a wildlife/fisheries biologist and environmental scientist spans more than 30 years, 40 states, and three countries.  He has worked for the U.S. Fish and Wildlife Service, Alaska Department of Environmental Conservation, Alaska Department Fish and Game, Orange County (California) […]

Read full article: Episode 136: How To Save Greater Yellowstone From Runaway Sprawl


Episode 135: Dr. Todd Bridges on Engineering with Nature
11/22/2024

Dr. Todd Bridges is a Professor of Practice in resilient and sustainable systems in the College of Engineering at the University of Georgia. Prior to joining UGA in 2023, Bridges served for 17 years as the U.S. Army’s Senior Research Scientist (ST) for Environmental Science, one of 40 Senior Research Scientists in the Department of […]

Read full article: Episode 135: Dr. Todd Bridges on Engineering with Nature


Episode 134: Rewilding Pitchfork Ranch – On The Ground With AT Cole
11/01/2024

Before he and his wife Lucinda began rewilding work on the Pitchfork Ranch 20 years ago, A Thomas Cole spent thirty-two years as a small-town lawyer in Casa Grande, Arizona, successfully defended two death-penalty murder cases, a dozen homicide cases, co-counseled the largest jury verdict in Arizona history, Chaired the Casa Grande Town Hall, Arizona […]

Read full article: Episode 134: Rewilding Pitchfork Ranch – On The Ground With AT Cole