Plan Sea: Ocean Interventions to Address Climate Change

Wil Burns and Anna Madlener

Ocean Alkalinity Enhancement

Marine Carbon Dioxide Removal

Carbon Dioxide Removal

Climate Change

Carbon Removal

Enhanced Rock Weathering

Data Standardization

Community Engagement

Ocean Iron Fertilization

Carbon Credits

Direct Ocean Capture

Marine Carbon Removal

Carbon To Sea Initiative

Southern Ocean

Cost-Efficiency Analysis

Environmental Monitoring

Legal and Regulatory Framework

Monitoring, Reporting, and Verification

Marine Ecosystems

Direct Ocean Removal

Plan Sea is hosted by Wil Burns, Co-Director of the Institute for Responsible Carbon Removal at American University, and Anna Madlener, Senior Manager for monitoring, reporting, and verification (MRV) at the Carbon to Sea Initiative.

As co-hosts, Wil and Anna invite guests to the podcast each episode to discuss potential ocean-based climate solutions, particularly approaches that lead to carbon ... more

28 ratings

Publishes	Twice monthly	Episodes	46	Founded	4 years ago
Categories	NatureScience

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Latest Episodes

Indigenous Leaders Fawn Sharp, Francesca Hillery, and Ken Paul on the Role of Indigenous Knowledge in Ocean Climate Solutions

In this episode of Plan Sea, hosts Anna Madlener and Carbon to Sea’s Senior Manager for Communications Danny Gawlowski record from Carbon to Sea’s 2026 Annual Convening in Halifax, Nova Scotia, Canada. They sit down with Fawn Sharp, and Francesca Hil... more

28 May 2026 • 59 min • Popular

YouTube

Coastal Resilience and oCDR with Carbon Removal Standards Initiative’s Dr. Gabby Kitch and Anu Khan

In this episode of Plan Sea, hosts Anna Madlener and Dr. Wil Burns sit down with Dr. Gabby Kitch and Anu Khan from the Carbon Removal Standards Initiative (CRSI) — a nonprofit organization using science and policy to unlock carbon dioxide removal (C... more

2 Apr 2026 • 56 min • Most popular

YouTube

Scientific Communication with COMPASS mCDR Communication Leaders at OSM 2026

In this special video edition of Plan Sea, host Anna Madlener and Carbon to Sea’s Senior Manager for Communications, Danny Gawlowski, record from the Ocean Sciences Meeting (OSM) in Glasgow, Scotland. They sit down with members of the COMPASS mCDR Co... more

19 Mar 2026 • 1 hr 1 min

YouTube

Planeteers’ Frank Rattey and Dr. Thorben Amann on closed-system, alkalinity-based carbon removal

In this edition of Plan Sea, hosts Anna Madlener and Wil Burns are joined by Frank Rattey and Dr. Thorben Amann of Planeteers — a Hamburg-based carbon removal startup researching alkalinity-based carbon dioxide removal (CDR) approaches — to discuss t... more

5 Mar 2026 • 1 hr 4 min

YouTube

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Recent Guests

Ken Paul

Principal and owner of Pokiok Associates, Indigenous leader in the blue economy

Pokiok Associates

Episode: Indigenous Leaders Fawn Sharp, Francesca Hillery, and Ken Paul on the Role of Indigenous Knowledge in Ocean Climate Solutions

Francesca Hillery

Director of Programs and Partnerships for Tribal Carbon Solutions

Tribal Carbon Solutions

Episode: Indigenous Leaders Fawn Sharp, Francesca Hillery, and Ken Paul on the Role of Indigenous Knowledge in Ocean Climate Solutions

Fawn Sharp

Former President of Quinault Indian Nation; Chair of Indigenous Greenhouse Gas Removal Commission

Quinault Nation; Indigenous Greenhouse Gas Removal Commission

Episode: Indigenous Leaders Fawn Sharp, Francesca Hillery, and Ken Paul on the Role of Indigenous Knowledge in Ocean Climate Solutions

Gabby Kitch

Navigation Fund Fellow at Carbon Removal Standards Initiative; Marine CDR lead at Yale Center for Natural Carbon Capture; former Marine CDR lead at NOAA

Carbon Removal Standards Initiative (CERCIE) and Yale Center for Natural Carbon Capture; NOAA (former)

Episode: Coastal Resilience and oCDR with Carbon Removal Standards Initiative’s Dr. Gabby Kitch and Anu Khan

Anu Khan

Founder and Executive Director of Carbon Removal Standards Initiative (CERCIE)

Carbon Removal Standards Initiative (CERCIE)

Episode: Coastal Resilience and oCDR with Carbon Removal Standards Initiative’s Dr. Gabby Kitch and Anu Khan

Kohen Bauer

Science director at Ocean Networks Canada

Ocean Networks Canada

Episode: Scientific Communication with COMPASS mCDR Communication Leaders at OSM 2026

Abigale Wyatt

Ocean modeler at Seaworthy

Seaworthy

Episode: Scientific Communication with COMPASS mCDR Communication Leaders at OSM 2026

Mariam Maku Swaleh

Marine chemist, head of Ocean Climate Innovation Hub, Kenya

Technical University of Mombasa / Ocean Climate Innovation Hub

Episode: Scientific Communication with COMPASS mCDR Communication Leaders at OSM 2026

Frank Rattey

Co-founder and managing director of Planeteers

Planeteers

Episode: Planeteers’ Frank Rattey and Dr. Thorben Amann on closed-system, alkalinity-based carbon removal

Hosts

Anna Madlener

Co-host; MRV lead at the Carbon to Sea Initiative; senior manager overseeing monitoring and reporting in ocean interventions.

Wil Burns

Co-host; Co-Executive Director of the Institute for Responsible Carbon Removal; senior leader in ocean intervention strategy and governance discussions.

Reviews

4.9 out of 5 stars from 28 ratings

Biased and disingenuous
A pro-geoengineering podcast dressed up as an objective and investigative show. The only decent guest was Lisa Levin who was largely ignored or misunderstood.
Apple Podcasts
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JamesCT39
Switzerland3 years ago

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Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Audience appreciates practical roadmaps and MRV-focused discussions, even if some subjects spark debate.

Some listeners feel it's biased toward geoengineering and may not present alternative viewpoints evenly.

Several listeners want broader representation of Indigenous perspectives and governance voices across episodes.

A standout guest like Lisa Levin is highlighted as a positive example of strong expertise.

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Talking Points

Recent interactions between the hosts and their guests.

Coastal Resilience and oCDR with Carbon Removal Standards Initiative’s Dr. Gabby Kitch and Anu Khan

Q: What are the recommended next steps for states and funders following the roadmap?

Focus on public-benefit outcomes, early community engagement, and creating policy mechanisms that support both mitigation and adaptation while enabling scalable MRV and monitoring for coastal resilience projects.

Coastal Resilience and oCDR with Carbon Removal Standards Initiative’s Dr. Gabby Kitch and Anu Khan

Q: Are carbon credits required for these integrations, and what is their role in near-term pilots?

Credits are not required, but they can finance pilot projects and help learn about MRV and processing; near-term pilots may rely on voluntary buyers and non-credit funding to test approaches.

Coastal Resilience and oCDR with Carbon Removal Standards Initiative’s Dr. Gabby Kitch and Anu Khan

Q: Why is coastal resilience a key topic for integrating abiotic MCDR and how would that work in practice?

Coastal resilience provides existing, funded infrastructure and monitoring systems that can be augmented with abiotic CDR components, allowing carbon removal to be realized as a co-benefit while leveraging established policy environments and community priorities.

Planeteers’ Frank Rattey and Dr. Thorben Amann on closed-system, alkalinity-based carbon removal

Q: What are the advantages of a closed system approach compared to open-system methods?

The closed system provides measurable, well-controlled inputs and outputs, enabling easier monitoring and initial reporting, and it can be attached to existing point-source infrastructure, reducing integration challenges.

Hourglass Climate's Dr. Grace Andrews and Kristi Weighman on the launch of the Framework for Ecotoxicological Modeling of mCDR

Q: What technologies is FEMM applicable to?

FEMM is immediately ready for certain applications in the context of ocean alkalinity enhancement and aims to expand to other mCDR technologies, including direct ocean capture.

Audience Metrics

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Frequently Asked Questions About This Podcast

What is This Podcast about and what kind of topics does it cover?

Plan Sea focuses on ocean-based climate interventions, with an emphasis on carbon dioxide removal, governance, community engagement, and ethical considerations. Recent episodes feature Indigenous leadership in ocean solutions, coastal resilience linked with coastal carbon removal, and a rotating cast of scientists and policy experts discussing MRV, legal frameworks, and ecotoxicology. The show stands out for regularly pairing practice-focused roadmaps with governance and equity discussions, and for inviting researchers and practitioners who are actively shaping real-world pilots and standards. This makes it useful for potential guests and sponsors interested in ocean-based climate action, governance, and cross-sector collaboration, though l... more

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Recent guests on this podcast include:

1. Ken Paul
2. Francesca Hillery
3. Fawn Sharp
4. Gabby Kitch
5. Anu Khan
6. Kohen Bauer
7. Abigale Wyatt
8. Mariam Maku Swaleh

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