Unearthing Optimism

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.

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Presented by the Arbor Day Foundation
www.ArborDay.org

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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!

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Presented by the Arbor Day Foundation
www.ArborDay.org

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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!

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Presented by the Arbor Day Foundation
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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.

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Presented by the Arbor Day Foundation
www.ArborDay.org

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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. 

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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.