The Nature Conservancy’s Director of Youth Engagement, Kate Ireland and Marie Taylor, a young extern leader, talk about the National Geographic Society externship program. Then, Ryan Elman Langendorf, a professor at the University of Colorado Boulder, speaks about the importance of sea otters and the health of kelp forests.

Kyle and Trevor Ritland share how they turned their father’s bedtime stories into an extensive investigation into Costa Rica’s golden toad after it was presumed extinct. They dive into a deeper story about ecological grief, overlooked local wisdom, and the possibility that hope still lingers in the cloud forest. Then, renowned writer and journalist John Vailliant talks about his most recent book, "Fire Weather: A True Story from a Hotter World," in which he describes the science of fire and forest heath, the fascinating relationships between humans and fire, and the future of fire-related disasters.

Naturalist and writer Eric Eaton talks about one of the most misunderstood insects — the wasp. Wasps are incredibly diverse and can thrive in nearly every habitat on Earth, and their influence on our lives is overwhelmingly beneficial. Then, award-winning environmental journalist Erica Gies shares her book, "Water Always Wins: Thriving in an Age of Drought and Deluge," which centers around the question of what does water actually want?

Biologist and author Karen Lloyd shares a firsthand account of the hunt for life beneath Earth’s surface in her newest book, "Intraterrestrials: Discovering the Strangest Life on Earth." Then, wildlife photographer Will Burrard-Lucas discusses his experiences photographing some of the planet’s most elusive and endangered species from Ethiopia to the Congo.

Celebrate World Bee Day with Daniel Raichel, the acting director of the Pollinator Initiative at the Natural Resources Defense Council, who talks about the current state of bees and what these pollinators mean to biodiversity and human livelihoods. Then, journalist Chris Berdik shares his new book, "Clamor: How Noise Took Over the World and How We Can Take it Back." In it, he brings attention to a pollutant that may not be getting the attention it deserves.

Scientists Fay Wei Li and Jacob Suissa discuss their new book, "Ferns: Lessons in Survival From Earth’s Most Adaptable Plants." It explores the incredible world of these fascinating creatures which have survived for nearly 400 million years and continue to find ways to adapt to an ever changing planet. Then, Cara Giaimo takes readers on epic journeys around the globe from Antarctic deserts to lush jungles into the deepest fathoms of the oceans in her book, "Atlas Obscura: Wildlife."

Renowned climate scientist Dr. Jagadish Shukla discusses his new book, "A Billion Butterflies: A Life in Climate and Chaos Theory." Widely praised as an inspiring and informative memoir, the book shares Dr. Shukla's groundbreaking work, which revolutionized weather forecasting. Then naturalist and photographer Charles Hood captures his nocturnal adventures all over the world in his new book, "Nature at Night." While most tales may warn us about the dangers that lie waiting in the dark, there is actually an abundance of thriving, colorful and even adorable creatures that live their best lives at night.

Nick Mucha, the environmental capacity building director at Patagonia and the editor of the recently published book, "Tools to Save Our Home Planet," talks about the contributions from 56 environmental leaders and the inspiration it provides to environmental justice movements. Then, Sara Jo Dickens discusses best practices for gardening and lawn maintenance as we head into the spring season.

National Campaign Manager Evan Raskin of earthday.org talks about the past, present and projected future of Earth Day — and how you can get involved. Then, Park City Community Foundation's Andy Hecht talks about the progress of their Zero Food Waste Initiative and shares a freshly launched partnership that will provide even more efficient food waste composting.

Native herpetology coordinator Alyssa Hoekstra talks about the different types of rattlesnakes in Utah and their important role in our ecosystem. Then, Walt Meier, senior research scientist at the National Snow and Ice Data Center, talks about the current state of arctic sea ice. In March, arctic sea ice was at its lowest ever recorded for that month, measuring six percent below the long-term average.