Plan Sea: Ocean Interventions to Address Climate Change
by Wil Burns and Anna Madlener
Is this your podcast?Insights from recent episode analysis
Audience Interest
Podcast Focus
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Platform Reach
Insights are generated by CastFox AI using publicly available data, episode content, and proprietary models.
Most discussed topics
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Total monthly reach
Estimated from 4 chart positions in 4 markets.
By chart position
- 🇳🇱NL · Nature#9710K to 30K
- 🇮🇳IN · Nature#1891K to 10K
- 🇧🇪BE · Nature#773K to 10K
- 🇳🇿NZ · Nature#179500 to 3K
- Per-Episode Audience
Est. listeners per new episode within ~30 days
7.3K to 27K🎙 ~2x weekly·45 episodes·Last published 1mo ago - Monthly Reach
Unique listeners across all episodes (30 days)
15K to 53K🇳🇱57%🇮🇳19%🇧🇪19%+1 more - Active Followers
Loyal subscribers who consistently listen
5.8K to 21K
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Platform Distribution
Reach across major podcast platforms, updated hourly
Total Followers
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* Data sourced directly from platform APIs and aggregated hourly across all major podcast directories.
On the show
From 10 epsHosts
Recent guests
Recent episodes
Indigenous Leaders Fawn Sharp, Francesca Hillery, and Ken Paul on the Role of Indigenous Knowledge in Ocean Climate Solutions
May 28, 2026
59m 41s
Coastal Resilience and oCDR with Carbon Removal Standards Initiative’s Dr. Gabby Kitch and Anu Khan
Apr 2, 2026
56m 10s
Scientific Communication with COMPASS mCDR Communication Leaders at OSM 2026
Mar 19, 2026
1h 01m 24s
Planeteers’ Frank Rattey and Dr. Thorben Amann on closed-system, alkalinity-based carbon removal
Mar 5, 2026
1h 04m 45s
Professor Dr. Alexander Proelss on the current state of international legal frameworks regulating oCDR
Feb 19, 2026
1h 05m 38s
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| Date | Episode | Topics | Guests | Brands | Places | Keywords | Sponsor | Length | |
|---|---|---|---|---|---|---|---|---|---|
| 5/28/26 | Indigenous Leaders Fawn Sharp, Francesca Hillery, and Ken Paul on the Role of Indigenous Knowledge in Ocean Climate Solutions✨ | Indigenous knowledgeocean climate solutions+4 | Fawn SharpFrancesca Hillery+1 | Carbon to Sea | Halifax, Nova Scotia, Canada | Indigenous knowledgeocean solutions+3 | — | 59m 41s | |
| 4/2/26 | Coastal Resilience and oCDR with Carbon Removal Standards Initiative’s Dr. Gabby Kitch and Anu Khan✨ | coastal resiliencecarbon dioxide removal+3 | Dr. Gabby KitchAnu Khan | Carbon Removal Standards Initiative | — | coastal resiliencecarbon removal+3 | — | 56m 10s | |
| 3/19/26 | Scientific Communication with COMPASS mCDR Communication Leaders at OSM 2026✨ | scientific communicationclimate change+4 | Danny GawlowskiDr. Abigale Wyatt+2 | Carbon to SeaCOMPASS mCDR Communication Leaders+2 | Glasgow, Scotland | scientific communicationocean sciences+5 | — | 1h 01m 24s | |
| 3/5/26 | Planeteers’ Frank Rattey and Dr. Thorben Amann on closed-system, alkalinity-based carbon removal✨ | carbon removalocean-climate research+4 | Frank RatteyDr. Thorben Amann | PlaneteersPlan Sea | — | carbon dioxide removalalkalinity+5 | — | 1h 04m 45s | |
| 2/19/26 | Professor Dr. Alexander Proelss on the current state of international legal frameworks regulating oCDR✨ | international lawocean-based carbon dioxide removal+3 | Professor Dr. Alexander Proelss | University of Hamburg | — | oCDRinternational law+3 | — | 1h 05m 38s | |
| 2/5/26 | Hourglass Climate's Dr. Grace Andrews and Kristi Weighman on the launch of the Framework for Ecotoxicological Modeling of mCDR✨ | ocean-based carbon dioxide removalecotoxicological modeling+3 | Dr. Grace AndrewsKristi Weighman | Hourglass ClimatePlan Sea | — | mCDRoCDR+3 | — | 1h 01m 50s | |
| 1/22/26 | Stefano Capello and Sara Groppelli on Limenet’s approach to limestone-based OAE✨ | ocean alkalinity enhancementclimate change+3 | Stefano CapelloSara Groppelli | LimenetUniversity of Milano-Bicocca | — | ocean alkalinitylimestone+3 | — | 1h 02m 32s | |
| 12/18/25 | Researchers Dr. Leila Kittu, Dr.Giulia Faucher, and Dr. Charly Moras discuss Ocean Alk-Align’s global research of OAE safety✨ | ocean alkalinity enhancementenvironmental safety+3 | Dr. Leila KittuDr. Giulia Faucher+1 | GEOMAR Helmholtz Centre for Ocean ResearchUniversity of Hamburg+1 | — | ocean alkalinityclimate change+3 | — | 1h 00m 30s | |
| 12/4/25 | Dr. Phil Renforth and Dr. Mijndert Van der Spek on a harmonized framework for techno-economic analyses and lifecycle assessments of OAE✨ | ocean alkalinity enhancementtechno-economic analysis+3 | Dr. Phil RenforthDr. Mijndert Van der Spek | Heriot-Watt University | — | ocean alkalinity enhancementtechno-economic analysis+5 | — | 49m 58s | |
| 11/20/25 | Dr. Lydia Kapsenberg and Dr. Tyler Cyronak discuss research advancements on OAE’s environmental safety✨ | ocean alkalinity enhancementenvironmental safety+4 | Dr. Lydia KapsenbergDr. Tyler Cyronak | Biogeosciences | — | ocean alkalinity enhancementenvironmental safety+5 | — | 42m 52s | |
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| 10/23/25 | WHOI’s Dr. Adam Subhas and Jennie Rheuban on the LOC-NESS OAE Field Trial | In this edition of Plan Sea, hosts Anna Madlener and Wil Burns kick off season three of the podcast with Woods Hole Oceanographic Institution (WHOI) researchers Dr. Adam Subhas and Jennie Rheuban to discuss the LOC-NESS project — a small-scale, open-ocean research trial on ocean alkalinity enhancement (OAE). The project’s co-principal investigators join Anna and Wil to recount the process of receiving a first-of-its-kind permit from the U.S. Environmental Protection Agency (EPA), the role of ... | 59m 29s | ||||||
| 7/17/25 | A Deep Dive on Principles for Responsible Ocean Carbon Removal Development & Governance | In this edition of Plan Sea, co-host Anna Madlener sits down with co-host (and one of this week’s guests) Wil Burns, Dr. Terre Satterfield from the University of British Columbia, and Dr. Chris Pearce from the UK’s National Oceanography Center. Burns, Satterfield, and Pearce are some of the lead authors on a new report launched at the 2025 UN Ocean Conference, “Principles for Responsible and Effective Marine CDR Development and Governance.” Commissioned by the High-Level Panel for a Sus... | 51m 01s | ||||||
| 6/26/25 | Community Engagement and Trial Monitoring with Ebb Carbon’s Kyla Westphal and Dr. Mallory Ringham | In this edition of Plan Sea, hosts Anna Madlener and Wil Burns sit down with Kyla Westphal and Dr. Mallory Ringham from Ebb Carbon to discuss Project Macoma — the company’s pilot ocean alkalinity enhancement (OAE) study being conducted in Port Angeles, Washington this summer. A first-of-its-kind endeavor, Project Macoma aims to remove up to 1,000 tonnes of CO2 from the atmosphere using Ebb Carbon’s electrochemical OAE technology. Kyla and Mallory join to share more about their jour... | 48m 05s | ||||||
| 6/5/25 | Special Episode by Plan Sea and The Carbon Curve: Insights from the Carbon to Sea 2025 Annual Convening with Dr. Lennart Bach | In this edition of Plan Sea, host Anna Madlener is joined by Na’im Merchant, host of The Carbon Curve podcast and Executive Director of Carbon Removal Canada, for a special co-hosted episode of the two podcasts. Recorded live at the Carbon to Sea 2025 Annual Convening, Anna and Na’im speak with Lennart Bach, Associate Professor and ocean alkalinity enhancement (OAE) scientist at the University of Tasmania, to share insights and key takeaways from this year’s convening. Last month, Carbon to... | 34m 08s | ||||||
| 4/17/25 | Insights from the 2025 Ocean Visions Summit, Part Two | This episode of Plan Sea was recorded live at the Ocean Visions Biennial Summit 2025, and features conversations with experts from Ocean Visions, UArctic, and WHOI to discuss their work in the ocean-climate nexus. Host Anna Madlener is joined again by special co-host, Danny Gawlowski, Carbon to Sea’s Senior Manager of Communications and Policy. Listen to Part One of Plan Sea’s coverage of the Ocean Vision Biennial here. Guests on this episode include: Nikhil Neelakantan, Senior Program ... | 53m 34s | ||||||
| 4/10/25 | Insights from the 2025 Ocean Visions Summit, Part One | This episode of Plan Sea was recorded live at the Ocean Visions Biennial Summit 2025, and features conversation with Ocean Visions CEO Brad Ack and other attendees to discuss their work in ocean-based carbon dioxide removal (oCDR). Host Anna Madlener is joined by a special co-host, Danny Gawlowski, Carbon to Sea’s Senior Manager of Communications and Policy. Guests on this episode include: Brad Ack, CEO of Ocean VisionsMarc von Keitz, Director at The Grantham Foundation for the Protecti... | 1h 06m 53s | ||||||
| 3/13/25 | How current policies affect ocean-based carbon removal research and innovation in Canada | In this edition of Plan Sea, hosts Anna Madlener and Wil Burns are joined by Drs. Sara Seck and Neil Craik to discuss the current governance and public funding landscape for ocean-based carbon dioxide removal (oCDR) research and innovation in Canada. They focus particularly on jurisdictional challenges in Nova Scotia, related to an increase in oCDR R&D in the province over recent years, and discuss broadly how to strengthen future policymaker and public engagement. Sara Seck is a Professo... | 53m 36s | ||||||
| 2/27/25 | Submarine Scientific and Cascade Climate on Enhancing Carbon Removal Research Efficiency through Data Standardization and Sharing | In this episode of Plan Sea, hosts Anna Madlener and Wil Burns are joined by several guests to discuss new initiatives to improve data management and transparency in the carbon dioxide removal (CDR) industry. Jacki Long is an ocean scientist and co-founder of Submarine Scientific, a scientific consulting company focused on ocean modeling, expert verification support, and system wide strategy development for ocean-based carbon dioxide removal (oCDR). Jacki joins the Plan Sea hosts to discuss S... | 50m 25s | ||||||
| 1/10/25 | CALLOUT: We want to hear from you! | Hey listeners, we want to hear from you! What 2024 milestone in the world of carbon removal should we be celebrating? And what do you hope to see in the marine CDR field in 2025? Leave us a quick voice message at www.speakpipe.com/planseapodcast It only takes a few seconds, and you could be featured in our next episode. Thanks, and happy new year! Plan Sea is a semi-weekly podcast exploring ocean-based climate solutions, brought to you by the Carbon to Sea Initiative &a... | 0m 53s | ||||||
| 12/19/24 | Dr. Jaime Palter and Dr. Dariia Atamanchuk Share Insights from Cutting-Edge OAE Field Research | This new episode features two OAE researchers and their insights from conducting field research as well as a special request to you, our listeners! In this edition of Plan Sea, hosts Anna Madlener and Wil Burns are joined by two leading ocean alkalinity enhancement (OAE) researchers: Dr. Jaimie Palter from the University of Rhode Island’s School of Oceanography and Dr. Dariia Atamanchuk from Dalhousie University’s Department of Oceanography. Palter and Atamanchuk both lead field research si... | 1h 00m 58s | ||||||
| 12/5/24 | Captura’s CEO Steve Oldham discusses Direct Ocean Capture technology | In this edition of Plan Sea, hosts Anna Madlener and Wil Burns are joined by Captura CEO Steve Oldham to discuss Direct Ocean Capture technology. Captura is a Pasadena, CA-based company that is exploring the use of renewable energy to remove carbon from the ocean as a low-cost, large-scale climate solution. Learn more about Captura’s DOC approach and propriety technology on their website here. Listen to our previous episode with Banyu Carbon’s Co-Founder & CEO Alex Gagnonon here. ... | 58m 02s | ||||||
| 11/14/24 | Planetary Technologies’ Mike Kelland and Dr. Will Burt update on the company’s growth | In this edition of Plan Sea, hosts Anna Madlener and Wil Burns are joined by returning guest Mike Kelland, CEO and co-founder of Planetary Technologies, as well as Dr. Will Burt, Planetary’s Chief Ocean Scientist. Planetary is an ocean alkalinity enhancement (OAE) startup based in Halifax, Canada. Link to Planetary's webinar on recent trial results here. Listen to our first episode with Mike Kelland here. ACRONYMS / CONCEPTS: NOAA (19:39): National Oceanographic and Atmospheric Associati... | 50m 31s | ||||||
| 10/31/24 | Dr. Grace Andrews on Hourglass Climate’s Approach to Monitoring Ocean Alkalinity Enhancement | In today's episode, hosts Anna Madlener and Wil Burns are joined by Grace Andrews from Hourglass Climate. They discuss Hourglass' work on environmental monitoring and carbon removal quantification of Ocean Alkalinity Enhancement (OAE) trials as a research non-profit. To view the Ocean Visions webinar referenced on the podcast, click here: LINK. Acronyms: MRV (1:42) mCDR (3:28)USGS (18:51)EPA (19:32)NOAA (20:51)LCA (23:09)pCO2 (25:02)Plan Sea is a semi-weekly podcast exploring ocean... | 56m 05s | ||||||
| 10/18/24 | Alex Gagnon on Banyu Carbon’s novel Direct Ocean Removal approach | In this edition of Plan Sea, hosts Anna Madlener and Wil Burns discuss a novel sunlight-driven approach to marine carbon dioxide removal (mCDR) with Alex Gagnon, co-founder and CEO of Banyu Carbon, a direct ocean removal startup based in Seattle, WA. Plan Sea is a semi-weekly podcast exploring ocean-based climate solutions, brought to you by the Carbon to Sea Initiative & the American University Institute for Responsible Carbon Removal. | 1h 13m 50s | ||||||
| 10/3/24 | The U.S. Department of Energy’s Rory Jacobson on the evolving landscape of mCDR | Hosts Anna Madlener and Wil Burns discuss the evolving landscape of marine carbon dioxide removal (mCDR) with Rory Jacobson, Acting Division Director for Carbon Dioxide Removal at the U.S. Department of Energy (DOE). Plan Sea is a semi-weekly podcast exploring ocean-based climate solutions, brought to you by the Carbon to Sea Initiative & the American University Institute for Responsible Carbon Removal. | 49m 24s | ||||||
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Chart Positions
4 placements across 4 markets.
Chart Positions
4 placements across 4 markets.