This Green Earth

National Geographic Explorer and internationally acclaimed wildlife expert James Currie shares the evolution of his career from a wildlife safari guide in Africa to a birding show host and conservationist. Then, author and animal and plant correspondent for the New York Times, Cara Giaimo, discusses her most recent book, "Atlas Obscura: Wildlife."

Dr. Barrett Klein, renowned entomologist and author of "The Insect Epiphany," explores ways humans have used insects for silk, pigments, food and medicine, and how we recreate their attributes in flight technology and architecture, as well as how we mimic them in music and fashion. Then, National Geographic Explorer Greg O’Corry-Crowe talks about beluga whales, elusive narwhals and a new study regarding a unique species of seals.

Nalini Nadkarni, National Geographic explorer and professor emeritus at the University of Utah, talks about the importance of canopy plants and the effects human activities have on forest diversity and function. Then, freshwater ecologist and author David Strayer shares more about his latest book, "Beyond the Sea: The Hidden Life in Lakes, Streams and Wetlands."

Author and scientist, Lauren Oakes comes on the show to talk about how the path from climate change to a habitable future winds through the world's forests.Then Walt Meier, a senior research scientist at the National Snow and Ice Data Center breaks down the latest information on what's happening with the planet's Arctic sea ice.

Author Jon Waterman talks about his new book, “Into the Thaw: Witnessing Wonder Amid the Arctic Climate Crisis.” Then, author Robert McNally shares his new book, “Cast Out of Eden: The Untold Story of John Muir, Indigenous Peoples and the American Wilderness.”

Acclaimed science writer Ferris Jabr reveals a radical new vision of Earth where lush forests emit dust, pollen and bacteria to summon rain in his new book, "Becoming Earth: How Our Planet Came to Life." Then, Miranda Massie, the founder and director of the Climate Museum located in New York City, describes this first of its kind museum which explores the changing climate and how the public can take action to reduce their carbon footprint.

Award-winning environmental journalist Sophie Yeo examines how the planet would have looked before humans scrubbed away its diversity in her new book, "Nature's Ghosts: The World We Lost and How to Bring it Back." Then Andy Szabo, director of the Alaska Whale Foundation, shares insights from a study that sheds light on how humpback whales use tools to enhance their feeding strategies.

Artist, author, teacher—and TikTok and Instagram creator Geo Rutherford gets a little spooky talking about her first book that she wrote and illustrated called, "Spooky Lakes: 25 Strange and Mysterious Lakes that Dot Our Planet." Then, Audrey Thames from the Environmental Center at the University of Colorado in Boulder shares tips on how to have a more sustainable Halloween.

Award-winning graphic designer, Esther Gonstalla, talks about her new book, "Atlas of a Threatened Planet: 150 Infographics to Help Anyone Save the World." Then, local Anna Robertson, co-founder of The Cool Down, shares her mission to make it easier for everyone to help themselves while they help the planet. She provides tips on how to be more sustainable in our homes, especially as we move into the colder months.

Randall Wilson, author and professor of environmental studies at Gettysburg College, talks about his just released book, "A Place Called Yellowstone: The Epic History of the World’s First National Park." Then, author and photojournalist Paola Gianturco talks about her book "Cool," which documents the work of women climate leaders globally and how they are showing the way to a livable planet.