The Carbon Removal Scoop - Details, episodes & analysis

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The Carbon Removal Scoop

Eve Tamme and Sebastian Manhart

Government

Technology

Science

Frequency: 1 episode/6d. Total Eps: 112

Get the Scoop on the latest carbon removal developments across policy, markets, and tech with Eve Tamme and Sebastian Manhart.

Punchy, unfiltered, to the point discussions on all the hottest developments in the sector.

Listen in to go several levels deeper and beyond the analysis that you won't find anywhere else. Enjoy.

Hosted on Acast. See acast.com/privacy for more information.

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https://evetamme.com/
112 shares
https://www.sebastianmanhart.com/
111 shares
https://www.marginalcarbon.com/
7 shares

https://www.linkedin.com/in/sebastianmanhart/
123 shares
https://www.linkedin.com/in/evetamme/
123 shares
https://www.linkedin.com/in/roberthoglund/
8 shares

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Score global : 79%

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111 | Is Now the Best Time to Found a CDR Startup? - with Marian Krüger

Season 1 · Episode 111

Wednesday, November 11, 2026 • Duration 28:32

In this episode of The Carbon Removal Scoop, Eve Tamme and Sebastian Manhart sit down with Marian Krüger, Co-founder and Managing Director of remove, the non-profit accelerator that has backed 209 carbon removal startups since its first cohort in 2021. It is the first episode in the Scoop's new partnership with remove, and Marian brings a rare view of what founders are building across Europe, India, Africa and Latin America, and why remove never went to North America.

Application numbers have fallen since the climate tech peak, but Marian argues the founders who remain are stronger for it. He explains why founders today rarely claim a brand new pathway and instead set out to do an existing one better, how the value chain is splitting into specialists, and why so many Global South startups are building biochar. In India and Africa, he says, none of remove's startups lead with climate: farmer prosperity, adaptation and air quality open the doors.

Eve and Sebastian then press on money and policy. Marian walks through how remove moved from pure grants to recoverable grants to EUR 15,000 pre-purchases, and what a first listed deal on CDR.fyi does for a startup's next conversation. On Europe, he describes DAC and BECCS startups reorienting deployments towards Europe to qualify under the EU ETS proposal, and warns that rules or methodologies that are too narrow risk closing off the optimisation still possible within today's pathways.

They close on the strangest ideas to cross remove's desk, from a military waste technology repurposed for wet biomass to a WhatsApp voice tool for farmers, and on the power imbalance between founders in the Global South and buyers in the North. Tune in to hear Marian's countercyclical case for why right now might be the best time to found a carbon removal company.

LINKS

Eve Tamme: LinkedIn and Website
Sebastian Manhart: LinkedIn and Website
Marian Krueger: LinkedIn
remove: Website
CDR.fyi
Niklas Stolz and Benedict Probst: Mapping Global Value Capture in Carbon Crediting Projects (ETH Zurich and Max Planck Institute for Innovation and Competition)
EU ETS revision proposal (European Commission, July 2026)
The New Frontiers Report for CDR (RMI, October 2026)
Previous Scoop episode: The Next Wave of Carbon Removal Innovation — with Rudy Kahsar

Hosted on Acast. See acast.com/privacy for more information.

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110 | Can the IPCC fix how countries count removals? - with Sara Vicca

Season 1 · Episode 110

Monday, November 9, 2026 • Duration 28:11

In this episode of The Carbon Removal Scoop, Eve Tamme and Sebastian Manhart sit down with Sara Vicca, Associate Professor at the University of Antwerp and a lead author on the IPCC's forthcoming methodology report on carbon dioxide removal technologies, carbon capture, utilisation and storage for national greenhouse gas inventories. For years, stakeholders have argued that governments cannot properly count novel removals without updated rules from the IPCC. Those rules are now being written, and the first draft has just opened for expert review.

Sara explains why guidance inn the 2006 IPCC Guidelines needs an update for direct air capture, direct ocean capture and enhanced weathering, and walks through the road from first draft to approval in late 2027. Because the draft itself is confidential, the conversation stays on the principles rather than the text, and Sara is clear about who the authors most want to hear from before the review window closes.

Eve and Sebastian then dig into enhanced weathering, Sara's section of the report. What happens when carbon captured on a farm in one country travels down rivers and out to sea through several others? How should governments learn from voluntary market methodologies that do not even agree on how to characterise rock feedstock? Sara draws a sharp line between carbon crediting and national inventories: inventories compare emissions and removals year by year, so there is no counterfactual baseline and no additionality test, and methods are organised into three tiers, from generic emission factors to detailed measurement and modelling.

They close on the gap between the EU's Carbon Removals and Carbon Farming certification framework and what countries actually report, and on how a report this large is coordinated across more than a hundred authors. Tune in to hear why Sara thinks a country could count enhanced weathering without a single carbon credit ever being issued, and why that rings alarm bells for Sebastian.

LINKS

Eve Tamme: LinkedIn and Website

109 | The GHG Protocol Forestry Controversy Threatening CDR - with Danny Cullenward

Season 1 · Episode 109

Wednesday, November 4, 2026 • Duration 30:23

In this episode of The Carbon Removal Scoop, Eve Tamme and Sebastian Manhart sit down with Danny Cullenward, Senior Fellow at the University of Pennsylvania's Kleinman Center for Energy Policy, on his second visit to the Scoop. The conversation grew out of a remark Danny made at Carbon Gap's Carbon Removal Policy Summit in Brussels in September, and it lands on an issue the carbon removal community has barely started to absorb: how the Greenhouse Gas Protocol will count the carbon in forests. Danny, who resigned from the Protocol's Independent Standards Board over the dispute, argues the stakes reach far beyond forestry.

At the centre are two competing proposals. Scientists on the technical working group backed activity-based accounting, which compares a harvest with what would have happened without it, much as voluntary market forest methodologies do. Industry voices backed the managed land proxy, borrowed from how countries report to the UN climate convention, which Danny says would let companies book removals for almost any wood harvest. He walks through how averaging across a whole sourcing region can turn felling trees in Poland into a carbon removal on paper, and why he thinks the proposal's extra safeguards change very little.

Eve and Sebastian also press on the process behind the fight, and on where things stand now. No decision has been made: the Protocol's request for information on forest carbon accounting is open until 1 February 2027, while an ISO standard that Danny says implements the industry approach in all but name has already been approved, and the two bodies are working to harmonise their standards. With mandatory disclosure in California and the EU leaning on the Protocol, whatever gets decided will not stay voluntary for long.

They close on what this means for anyone producing durable removals. Tune in to hear why Danny calls this an existential risk for the carbon removal industry, and who he thinks needs to speak up before the comment window closes.

LINKS

Eve Tamme: LinkedIn and

108 | The Next Wave of Carbon Removal Innovation - with Rudy Kahsar

Season 1 · Episode 108

Monday, November 2, 2026 • Duration 29:24

In this episode of The Carbon Removal Scoop, Sebastian Manhart sits down with Rudy Kahsar, Principal at RMI and a founding member of its carbon removal team, to dig into the New Frontiers Report for CDR. The report traces up to three decades of progress across 14 carbon removal approaches to work out where the next breakthroughs could come from, and Rudy's answer to the question he gets asked most, which pathway to go all in on, is not the one most people expect.

Rudy makes the case that the technologies doing most of the removing in 2050 may not exist yet, and that breakthroughs tend to arrive when experts from one field wander into another. Policy sits outside the report's scope, but his message to policymakers is clear: rather than writing rigid rules around one or two of today's approaches, set aside some funding and regulatory attention for the approaches nobody has invented yet. Sebastian, who has long argued against picking winners this early, needs little convincing.

The conversation then turns to the numbers. RMI built bottom-up cost stacks for every approach across eight shared categories, using generative AI for the first pass before testing it with companies and experts, and Rudy explains why the future cost stacks are aspirational scenarios rather than predictions. Sebastian contrasts that transparency with the black-box cost estimates that have made their way into the EU ETS proposal.

They close on some of the report's boldest bets, from engineered crops that lock carbon away more durably to the convergence of AI, drones and sensors, and on direct air capture, where Rudy is blunt about cost. Tune in to hear why he thinks an outdoor clothing brand could be an unlikely ally for carbon removal.

LINKS

Sebastian Manhart: LinkedIn and Website
Rudy Kahsar: LinkedIn and RMI profile

107 | Mining's Untapped Removals Opportunity - with Cara Maesano

Season 1 · Episode 107

Tuesday, October 27, 2026 • Duration 26:34

In this episode of The Carbon Removal Scoop, Eve Tamme and Sebastian Manhart sit down with Cara Maesano, lead author of RMI's new report Mining and Carbon Dioxide Removal: A Responsible Path Forward, to dig into an industry the carbon removal world has barely talked about. Cara's starting point is striking: with the land, materials and engineering know-how that mines already have, almost every form of carbon removal could run on a mine site. But only one approach, she argues, really has to.

Much of the conversation centres on surficial mineralisation, where reactive mine waste absorbs CO2 from the air and locks it away as stable minerals. Cara walks through the new research hub at Thetford Mines in Quebec, set up by Frontier and Carbon Removal Canada on a legacy of asbestos waste the local community wants gone, and explains how churning and activating tailings could push carbonation far deeper than the surface layer. She is clear that these are not cookie-cutter projects, and why.

The hosts also press on the numbers. Cara is candid that the report's headline potential and $80 to $300 price range rest on theoretical and price-based estimates rather than hard cost data. On policy, she explains why permitting is a bigger hurdle than mining's vast footprint suggests: mines are permitted to do specific things with their waste and rarely deviate, which is why building carbon removal in from the very start of a mine's life may be easier than adding it later.

They close on the business case. Thin profit margins per ton of CO2 mean miners are unlikely to buy durable removals, but they may have strong reasons to deliver them on site, from green premiums to tax credits to the environmental liabilities sitting in their tailings piles. Tune in to hear the one thing Cara says is holding the industry back.

LINKS:

Eve Tamme: LinkedIn and Website

106 | SHOWDOWN: Europe’s CDR Strategy: BioCCS vs Tech Neutral - with Kaja Voss and Alastair Collier

Season 1 · Episode 106

Tuesday, October 20, 2026 • Duration 26:42

In this episode of The Carbon Removal Scoop, Eve Tamme moderates our fifth SHOWDOWN debate, live on stage at Carbon Unbound Europe in London. The motion takes on one of the hottest fault lines in European carbon removal policy: should Europe’s CDR strategy put BioCCS (biogenic carbon capture and storage) first?

In the BioCCS corner, Kaja Voss, CEO and Founder of Inherit: an economist and believer in markets. Three-quarters of durable offtakes to date are already BioCCS, it sits lowest on the cost curve among high-durability solutions, and the pipelines and terminals it builds will serve other pathways later. Europe should pick that winner “on purpose rather than by accident.”

In the tech neutrality corner, Alastair Collier, Chief R&D Officer at A Healthier Earth: “When you concentrate the technology, you concentrate the politics.” Pointing to Australia’s repeal of its carbon price, he warns that concentrating storage in a handful of member states and paying oil and gas companies to run it creates an easy target for climate sceptics.

From Northern Lights and storage as a public utility to the CRCF (the EU’s Carbon Removals and Carbon Farming certification framework) and a closing call to look to China, the room had plenty to weigh before casting its vote. Listen to the end to find out who won.

LINKS:

Eve Tamme: Eve Tamme: LinkedIn and Website
Kaja Voss: LinkedIn
Inherit: Website
Alastair Collier: LinkedIn
A Healthier Earth:

105 | What Next for the ISO Net Zero Standard - with Delia Meth-Cohn

Season 1 · Episode 105

Sunday, October 18, 2026 • Duration 29:18

In this episode of The Carbon Removal Scoop, Eve Tamme sits down with Delia Meth-Cohn, Co-founder of Rethinking Removals, to make sense of what happened to ISO 14060, the draft net zero standard for organisations. When Delia joined Sebastian in June, the draft had just opened for consultation. Since then it has drawn around 5,000 comments and failed its first ballot, a rare result at this stage of an ISO process.

Delia explains why this vote was different. Participation was capped at four experts per country because of the level of interest, few national standards bodies abstained, and the draft fell well short of ISO's thresholds of two-thirds approval with no more than a quarter of votes against. She walks through what comes next, a second draft and two more votes, and why publication now looks closer to 2028 than mid-2027.

Eve and Delia dig into why the draft felt rushed, why an ISO standard carries quasi-regulatory weight that SBTi does not, and how the ground is shifting underneath it, with ISO and the GHG Protocol rewriting the foundations of carbon accounting. Delia's challenge for the next round is to treat the comments as themes rather than wording, and to find the balance between flexibility and credibility without watering the standard down.

The conversation closes on removals. Speaking personally, Delia sets out how the next draft might handle anticipated residual emissions and the gap between cheap credits and expensive removals, and has a pointed message for a removals community she suggests needs to rethink its approach.

LINKS:

Eve Tamme: LinkedIn and Website
Delia Meth-Cohn: LinkedIn
Rethinking Removal

104 | From Equity to Debt: How CDR Gets Bankable - with Julia Reichelstein and Tyler Manchester

Season 1 · Episode 104

Monday, October 12, 2026 • Duration 28:10

In this episode of The Carbon Removal Scoop, Sebastian Manhart sits down with Julia Reichelstein, co-founder and CEO of Vaulted Deep, and Tyler Manchester, Head of Voluntary Carbon at CFP Energy, to get the inside story of Vaulted's $35 million debt facility from Mediobanca. Julia explains why Vaulted grew on equity for its first two sites and why, with a delivery track record and a pipeline of new sites, it has now reached what she calls the "just add water" stage where debt is the right capital.

Tyler explains why this is CFP Energy's first debt transaction in carbon removal after two decades in carbon markets, and what it took to get comfortable: a developer with a proven record, high-credit offtakers removing market risk, and an insurer covering the residual project risk that institutional lenders expect. He is open about who else can get through the door, including the rough minimum loan size CFP will consider, and why he thinks the market's chicken-and-egg problem is finally starting to crack.

Julia makes the case that bankability starts long before anyone talks to a bank. She describes how the fine print of an offtake contract, the page she once skipped past, became the page lenders scrutinised most, and recounts the working capital fight that pushed registries and buyers towards monthly crediting. Both credit Frontier for brokering the introduction and publishing offtake templates others can reuse.

They close on policy. Every debt deal discussed in the episode closed outside Europe, and Tyler sets out what would change that: projectable revenue, ideally fixed forward prices or a liquid forward market. Sebastian lays down a challenge for the first European deal, and Tyler accepts it.

LINKS:

Sebastian Manhart: LinkedIn and Website
Julia Reichelstein:

103 | Levelling up CDR Advocacy: Carbon Gap's Policy Levers Library - with Alexander Mäkelä

Season 1 · Episode 103

Sunday, October 11, 2026 • Duration 26:41

In this episode of The Carbon Removal Scoop, Eve Tamme and Sebastian Manhart sit down with Alexander Mäkelä, Chief Policy Officer at Carbon Gap, to dig into the Policy Levers Library: a new living database of 165 policy levers across six policy families, unveiled at Carbon Gap's Carbon Removal Policy Summit in Brussels. Alex's starting point is blunt. The sector keeps reaching for the same few tools, contracts for difference, direct procurement, the EU ETS, and that may be a failure of imagination.

Asked which lever Europe is leaving untouched, Alex lands on finance. Demand certainty dominates the conversation, but without bankability and capital ready to deploy, he argues, projects simply won't materialise. He makes the case for CDR debt that is as boring as renewables debt, and points to Stockholm Exergi's crowded capital stack as a sign of just how much it currently takes to get a BECCS project over the line.

Eve and Sebastian also put the library itself under the microscope: why there is no impact score among its eleven criteria, how the team scored every lever using case studies from Europe, North America and the Global South, and where a policymaker handed the link should actually start. The hosts push for something the tool doesn't do yet, connecting policymakers with those who have already solved the same problem somewhere else.

The conversation closes on advocacy, and why Alex thinks the sector is too reactive and too focused on Brussels when thousands of German municipalities alone have no plan for removals. Tune in to hear why Carbon Gap actively wants people to steal its work.

LINKS:

Eve Tamme: LinkedIn and Website
Sebastian Manhart: LinkedIn and

102 | Inside the UK’s Answer to the GGR Review - with James Screen

Season 1 · Episode 102

Tuesday, October 6, 2026 • Duration 25:56

In this episode of The Carbon Removal Scoop, Eve Tamme and Sebastian Manhart sit down with James Screen, who until recently led the team designing carbon removal policy at the UK's Department for Energy Security and Net Zero. A year after the Scoop covered Alan Whitehead's independent review of greenhouse gas removals, James explains what the government's response actually is: not a grand strategy, but a staging post that sets out the UK's direction of travel and leaves the hardest questions for the Carbon Budget 7 delivery plan.

James is candid in sharing his personal views about where the response parts ways with the review. He explains why there is little political appetite to reopen what net zero means by adopting geological net zero, the outlook on woodland in the UK ETS, and reads the new "as soon as practicable" timeline for removals in the UK ETS against the backdrop of possible UK and EU ETS linking.

The conversation then turns to the GGR business models. James walks through how carbon contracts for difference sit on top of the network support model in clusters like Liverpool Bay, why he thinks the model can work for both voluntary and ETS sales, and why taxpayer subsidy cannot be the enduring answer. Sebastian and Eve also find themselves on opposite sides of whether the UK and Europe are making too narrow a bet on BioCCS and DAC.

They close on the reshuffle that followed the response, with James explaining why he sees continuity rather than radical change, and why the story of solar and offshore wind gives him real cause for optimism.

LINKS:

Eve Tamme: LinkedIn and Website
Sebastian Manhart: LinkedIn and

The Carbon Removal Scoop - Details, episodes & analysis

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The Carbon Removal Scoop - Details, episodes & analysis

Podcast details

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