Unearthing Optimism

In this episode of Unearthing Optimism , Dan Lambe welcomes Dr. Cassie Rauser, CEO of TreePeople, to explore what it really takes to foster environmental resilience across the diverse landscapes of Los Angeles. Discover TreePeople’s holistic approach to climate action, from large-scale tree planting to community education programs, wildfire recovery, and creating schoolyard habitats that inspire t...

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 gl...

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 ho...

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-driv...

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...

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 reflect...

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.  Pa...

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 conversat...

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 natu...

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 r...

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 addr...