Unearthing Optimism

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Latest Episodes:

Hope In the Headlines with Peter Prengaman Sep 21, 2026

Show notes

In this episode of Unearthing Optimism, host Dan Lambe welcomes Peter Prengaman, Global Climate and Environmental News Director at the Associated Press. The AP is a not-for-profit news agency and is one of the oldest, largest, and most respected outlets in the world. Over the course of his career, Peter has reported from more than 15 countries across the world. Now, he and his team are bringing global environmental challenges into sharper focus for millions of readers.

From reporting in the Amazon to covering hurricanes and oil spills, Peter shares how environmental journalism can help inform a new understanding of people and the planet. Learn why he views climate change as a deeply human story and what he values about highlighting hope in the AP’s coverage.

Tune in now.

Presented by the Arbor Day Foundation
www.ArborDay.org

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Finding Hope In the Wild with Dylan Efron Aug 17, 2026

Show notes

Adventure can be more than a thrill—it can also be a path to purpose.

In this episode of Unearthing Optimism, host Dan Lambe welcomes producer and outdoor adventurer Dylan Efron for a candid conversation about finding hope in nature and the lessons learned from a life outside the box. From the rivers of California to the rainforests of the Amazon and the coral reefs of Fiji, Dylan Efron shares how immersive outdoor experiences can be transformative. He also reflects on why connecting to the natural world is one of the best ways to nurture our mental health and build optimism for the future.

Whether you’re eager for your next adventure or looking for hope in the face of climate anxiety, this episode will inspire you to step outside, get involved, and plant seeds of change.

Don’t miss this uplifting journey, tune in now!

Presented by the Arbor Day Foundation
www.ArborDay.org

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Navigating Nature & The Internet with Hank Green Jul 20, 2026

Show notes

In this episode of Unearthing Optimism, host Dan Lambe welcomes science communicator and content creator Hank Green for an energizing conversation about the power of curiosity, community, and sustainability. Together, they explore the significance of the Internet in the environmental movement and what meaningful engagement can look like.

Hank also shares the story behind Good Store, a values-driven marketplace turning everyday purchases into global impact. Plus, he talks through the massive educational reach of Crash Course.

Listen now and share with a friend—because hope grows when we all get involved.

Presented by the Arbor Day Foundation
www.ArborDay.org

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Building Greener Cities and Cooler Communities with Dr. Vivek Shandas Jun 15, 2026

Show notes

In this episode of Unearthing Optimism, host Dan Lambe sits down with climate resilience expert Dr. Vivek Shandas to dig into the urgent issue of extreme heat in U.S. cities—and the hope found in community-driven solutions.

From the science behind urban heat islands, to real-life stories of neighbors coming together in the face of record-breaking heatwaves, this episode explores why trees matter for our health, well-being, and sense of connection.

Join us for an optimistic conversation packed with ideas for how trees and teamwork can help communities reduce extreme heat.

Listen to this episode and share it with someone who cares about building a better, cooler future.

Presented by the Arbor Day Foundation
www.ArborDay.org

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Strengthening America’s Forests with Chief Tom Schultz May 18, 2026

Show notes

In this episode of Unearthing Optimism, host Dan Lambe welcomes Tom Schultz, the 21st Chief of the U.S. Forest Service, for a thoughtful conversation about the rewards and responsibilities that come with caring for America’s landscapes.

Chief Schultz opens up about leadership, stewardship, and tackling some of the toughest challenges in forestry today, like replanting after wildfires. He reflects on the power of partnership in the effort to grow forests and the importance of building trust with communities. Together, Dan and Chief Schultz explore what it means to lead with hope.

You’ll walk away with a fresh perspective on service, community, and what’s possible when we work together.

NOTE: As a note to our listeners, this podcast episode was recorded in December 2025.

Tune in now!

Presented by the Arbor Day Foundation
www.ArborDay.org

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Protect the Planet and Change the World with Bill Nye Apr 20, 2026

Show notes

What does it take to inspire a love for science and turn it into action that shapes the world?

Host Dan Lambe sits down with iconic science educator Bill Nye as he shares his journey from comedian and engineer to host of the beloved children’s science show. Bill also digs in on his passion for space exploration, the power of optimism, and why the next generation gives him hope for the future.

Packed with memorable stories, timely insights, and all the contagious energy and humor you’d expect from Bill Nye The Science Guy, this episode is a must-listen and a reminder that science can inspire real action.

Listen to this special National Arbor Day episode, share with friends, and leave a review!

Presented by the Arbor Day Foundation
www.ArborDay.org

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Connecting Culture, Comedy & Conservation with Rainn Wilson Mar 16, 2026

Show notes

Host Dan Lambe is joined by acclaimed actor, writer, and passionate environmental advocate Rainn Wilson (best known as Dwight from The Office) for a funny and honest discussion connecting culture to conservation. Dan Lambe and Rainn Wilson dig into Rainn’s journey from the forests of Seattle to comedy fame, and why he’s now focused on bringing inclusivity, humor, and heart to the climate conversation. Hear how spiritual revelations, multiple wildfire evacuations, and a love of trees have fueled Rainn’s advocacy—and why he thinks creative storytelling might just be the key to hope and action.

Discover personal stories, surprising connections, and actionable ways YOU can help create a thriving planet for generations to come.

Want more optimism? Listen to this uplifting episode and share it with a friend.

Presented by the Arbor Day Foundation
www.ArborDay.org

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Exploring Nature, Legacy, and Optimism Feb 16, 2026

Show notes

In this episode of Unearthing Optimism, host Dan Lambe talks with Anna Rathmann, Executive Director of the Jane Goodall Institute USA, to discover her remarkable journey from formative days in America's national parks to the frontlines of conservation. Anna shares stories of wildlife encounters, her most meaningful lessons working with Dr. Jane Goodall, and the power of connecting people and nature for a better world.

Explore the indomitable human spirit, youth-led transformation, and why hope is an active choice.

Whether you’re a nature lover or just need a dose of optimism, don’t miss Anna’s inspiring perspective on community, legacy, and making a difference.

Tune in now and plant seeds of change today.

Please note this conversation was recorded prior to the death of Dr. Jane Goodall. We dedicate this episode to her remarkable legacy.

Presented by the Arbor Day Foundation
www.ArborDay.org

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

The Science of Weather, the Power of Hope Jan 19, 2026

Show notes

What drives someone to spend decades covering some of the most extreme weather events in history, and remain hopeful?

In the first episode of Unearthing Optimism, host Dan Lambe sits down with Stephanie Abrams, veteran meteorologist at The Weather Channel, to explore her journey from a curious science student in Florida to becoming one of the most trusted voices in weather reporting.

Stephanie reflects on her firsthand experiences covering disasters like Hurricane Katrina, evolving environmental challenges, and the role technology plays in forecasting. She also shares how being grounded in nature and community keeps her resilient, and why optimism is vital in the face of uncertainty.

Check out this inspiring episode to hear Stephanie’s unique perspective on science, storytelling, and the hope that emerges even after devastation.

Presented by the Arbor Day Foundation
www.ArborDay.org

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Welcome to Unearthing Optimism: A Podcast by the Arbor Day Foundation Jan 06, 2026

Show notes

Welcome to Unearthing Optimism, a podcast presented by the Arbor Day Foundation. Hosted by CEO Dan Lambe, this series highlights the individuals and initiatives working to create environmental progress through practical, nature-based solutions. Each episode features conversations with community leaders, scientists, and advocates who share their experiences and insights on how nature can help address today’s most pressing challenges. Subscribe to stay informed and inspired by stories that reflect commitment, collaboration, and a shared vision for a healthier planet.

Presented by the Arbor Day Foundation

www.ArborDay.org

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.