Few mammals have a bigger positive impact on the planet than the beaver. With its bright orange buck teeth, the creature is an expert engineer that brings life wherever it waddles and even fights fires. Our story begins in the Bronx river, once known as the  “open sewer” of New York City. After some humans decide to clean it up, we meet one of the river’s residents - José the beaver. We learn about the US government parachuting beavers out of planes into the mountains. And finally head to California where we discover how one beaver family saved acres of land from burning. Special thanks to author <a href="https://www.bengoldfarb.com/">Ben Goldfarb</a>, <a href="https://bronxriver.org/staff/christian-murphy">Christian Murphy</a> from the Bronx River Alliance and <a href="https://emilyfairfaxscience.com/">Dr. Emily Fairfax</a>. <a href="https://www.wnycstudios.org/podcasts/radiolab-kids">Subscribe to our newsletter</a> if you haven’t already, follow us on instagram <a href="https://www.instagram.com/terrestrialspodcast/">@terrestrialspodcast</a>, and leave us a ⭐⭐⭐⭐⭐ rating and review on your podcast app - it helps curious listeners find us!KEEP LEARNING!Read Ben Goldfarb’s book <a href="https://www.bengoldfarb.com/eager">Eager: The Surprising, Secret Life of Beavers and Why They Matter</a>. Watch the US government <a href="https://www.youtube.com/watch?v=rrOE-m7sX9E">drop beavers out of planes</a> into mountains. Read Leila Philip’s <a href="https://www.amazon.com/Beaverland-Weird-Rodent-Made-America/dp/153875519X">Beaverland: How One Weird Rodent Made America</a>.Watch<a href="https://www.pbs.org/wnet/nature/leave-it-to-beavers-production-credits/8860/?utm_source=chatgpt.com"> Leave It to Beavers</a>, a documentary about beavers restoring rivers and wetlands.Read about <a href="https://news.stanford.edu/stories/2025/08/beavers-climate-resilient-watersheds-biodiversity-research?utm_source=chatgpt.com">how</a> reintroducing beavers can enhance ecological health.Read about how <a href="https://www.scientificamerican.com/article/beaver-dams-help-wildfire-ravaged-ecosystems-recover-long-after-flames-subside/?utm_source=chatgpt.com">beaver dams help wildfire-ravaged ecosystems recover</a>.Terrestrials was created by Lulu Miller with WNYC Studios. This episode was produced by Ana González and sound-designed by Mira Burt-Wintonick. Our team includes Alan Goffinski, Joe Plourde and Tanya Chawla. Fact checking was by Diane Kelly. Our advisors for this show were Ana Luz Porzecanski, Nicole Depalma, Liza Demby and Tovah Barocas.Support for Terrestrials also comes from the Simons Foundation, the Arthur Vining Davis Foundations, and the John Templeton Foundation.
HEY GROWN-UPS!Love the show? Leave us a ⭐⭐⭐⭐⭐ rating and review on your podcast app—it helps curious listeners find us!We want to hear from you! <a href="https://docs.google.com/forms/d/e/1FAIpQLScfQ5fJWDQY6VxpY3UZ2JfUR_wWefhAB_iDGZBCF7ltfZQJAw/viewform">Share your thoughts about Terrestrials with us</a>.<a href="https://www.wnycstudios.org/podcasts/radiolab-kids">Subscribe to our weekly newsletter</a> for bite-sized essays, activities, and ways to connect with the show.Follow us on <a href="https://www.youtube.com/channel/UCaum_fMDGgFQCmKHUBPq_xg">YouTube</a>, <a href="https://www.instagram.com/terrestrialspodcast/">Instagram</a>, and <a href="https://www.tiktok.com/@terrestrialspodcast">TikTok</a> for behind-the-scenes extras and more.Listen to original music from Terrestrials on <a href="https://open.spotify.com/album/2dJoTi6y22d3Mb7laxaCXj">Spotify</a>, <a href="https://music.apple.com/us/album/terrestrials-just-the-music-season-1/1769054305?uo=4&app=music&at=1001lry3&ct=dashboard">Apple Music</a>, or our <a href="https://wnycstudios.bandcamp.com/album/terrestrials-just-the-songs">music page</a>.Got a badgering question for the team? Email us at terrestrialspodcast@wnyc.org or submit a voice memo with your name, age, and your question using <a href="https://docs.google.com/forms/d/e/1FAIpQLSeF9rrN-64E-wKGAnxjdCWyIi2JMA4AThp5y1BgB4X5tSZk1Q/viewform?usp=send_form">this form</a>!Terrestrials is made possible in part by listeners like you. <a href="http://terrestrialspodcast.org/join">Support the show</a> by joining Radiolab’s membership program, The Lab—and we’ll send you a special thank-you gift from our team!

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