Sea Change cover art

Sea Change

Sea Change

By: WWNO & WRKF
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Living on the coast means living on the front lines of a rapidly changing planet. And as climate change transforms our coasts, that will transform our world.

Every two weeks, we bring you stories that illuminate, inspire, and sometimes enrage, as we dive deep into the environmental issues facing coastal communities on the Gulf Coast and beyond. We have a lot to save, and we have a lot of solutions. Join us as we investigate and celebrate life on a changing coast. It’s time to talk about a Sea Change.

Based in New Orleans, Sea Change is a production of WWNO New Orleans Public Radio and WRKF Baton Rouge Public Radio. Sea Change is a part of the NPR Podcast Network and is distributed by PRX. Hosted by Carlyle Calhoun. Our theme song is by Jon Batiste.

Sea Change is made possible with major support provided by The Gulf Research Program of the National Academies of Sciences, Engineering, and Medicine and The Water Collaborative. The Coastal Desk is supported by the Walton Family Foundation, the Greater New Orleans Foundation, and the Meraux Foundation.

2023-2026
Biological Sciences Science
Episodes
  • It's All Elementary: Part 3 – Carbon
    Jul 2 2026

    This is part 3 of our three-part series about elements. And today is a biggie: carbon. When we hear about carbon, it's usually about its role in heating up the planet. And while that's an absolutely critical part of the story, the story of this most miraculous of substances is so much larger.

    We talk to Peter Brannen, author of The Story of CO2 is the Story of Everything, about how carbon has always been central to just about every major turning point in the history of life on Earth...including why life is here in the first place.

    CREDITS

    This episode is hosted by Executive Producer Carlyle Calhoun. Editing help from Eva Tesfaye and Jack Rodolico. Our theme music is by Jon Batiste, and our sound design by Dennis Funk.

    Sea Change is a WWNO and WRKF production. We are part of the NPR Podcast Network and distributed by PRX. Sea Change is made possible with major support from the Gulf Research Program of the National Academy of Sciences, Engineering, and Medicine. WWNO’s Coastal Desk is supported by the Walton Family Foundation, the Meraux Foundation, and the Greater New Orleans Foundation.




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    31 mins
  • It's All Elementary: Part 2 – Phosphorus
    Jun 18 2026

    This is part 2 of our 3-part series about elements. Last time we met nitrogen, today, it’s partner in crime and in life – phosphorus.

    WLRN Environment Editor Jenny Staletovich has gotten to know the main character of this story pretty well after reporting on the environment in South Florida for more than a dozen years. Bone Valley in Central Florida has quietly fed the world’s hunger for phosphorus, even as its waters, in particular the Everglades, suffer from the fallout.

    In this episode, you'll meet fishing captains turned environmental crusaders, hear about Guano Wars fought over this "Devil's Element," and learn how some are figuring out how to fix our phosphorus paradox.

    CREDITS

    WLRN Environment Editor Jenny Staletovich reported this story. The episode was hosted by Executive Producer Carlyle Calhoun. This episode was edited by Eve Abrams. Editing help from Carlyle Calhoun, Michael McEwan, Ryan Vasquez, Alana Schrieber, and Eva Tesfaye. Sound design by Dennis Funk, and our theme music is by John Batiste.

    Sea Change is a WWNO and WRKF production. We're a part of the NPR Podcast Network and distributed by PRX. Sea Change is made possible with major support from the Gulf Research Program of the National Academy of Sciences, Engineering, and Medicine. WWNO's Coastal Desk is supported by the Walton Family Foundation, the Meraux Foundation, and the Greater New Orleans Foundation.


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    36 mins
  • It's All Elementary: Part 1 – Nitrogen
    Jun 5 2026

    In this three-part series, we’re giving some of the most misunderstood characters on the periodic table a fuller story. We dive into the fascinating double lives of these elements that are both the makers and unmakers of our world.

    In part one, reporter Olga Loginova travels to Cape Cod to meet nitrogen. In this episode: we trudge through the marsh, avoid great white sharks, and find out how we harnessed the power of nitrogen, why that power turned against us, and what we can do about it.

    CREDITS

    This episode was hosted by Carlyle Calhoun and Olga Loginova. Olga also reported the story. This story was edited by Jack Rodolico. Editing help from me, Eve Abrams, and Michael McEwan. The episode was fact-checked by Philip Kiefer. Sound design by Dennis Funk, and our theme music is by John Batiste. I'm the executive producer. Sea Change is a WWNO and WRKF production. We're a part of the NPR Podcast Network and distributed by PRX. And to help others find our podcast, hit subscribe wherever you get your podcasts. Sea Change is made possible with major support from the Gulf Research Program of the National Academy of Sciences, Engineering, and Medicine. WWNO's Coastal Desk is supported by the Walton Family Foundation, the Meraux Foundation, and the Greater New Orleans Foundation. We'll be back with another element in two weeks.

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    26 mins
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