Digest

Durable carbon removal in 2026 is a seller’s market, and the day’s four stories are all about what that does to buyers. Supercritical, the UK carbon removal marketplace, had already sold 81% of its 2026 biochar supply before it signed Jain for a further 19,000 tonnes. Nasdaq and Relae launched a calendar so buyers can see when credits will actually reach the market. Germany’s BIK industrial decarbonisation programme opened its call to DAC and biogenic CO2 capture, with outlines due 6 December 2026. And on the science side, two enhanced rock weathering studies found that the soil carbon term, the number everyone had been treating as background, moves when you add organic matter alongside the rock. The market is building scheduling and procurement tools for a product whose measurement is still being argued over. That is the day’s tension. ...

Three stories today, one thread: CDR gets financed to the extent it gets documented. A lender put $34 million of debt behind Terradot’s crushed rock because signed offtake contracts gave it something to lend against. Na’im Merchant turned a private spreadsheet of CDR deals and policy moves into a database anyone can open. And in Captain Drawdown’s daily CDR Log #304, I followed DAC’s captured CO2 past the fans and filters to the question that decides whether a tonne counts: where it ends up, and who checks that it stays there. ...

Today a bank sold a $72 million note that pays its holders in carbon removal credits instead of cash, and a founder who helped build one of CDR’s own marketplaces left for a national stock exchange. Both happened inside a market that, by that founder’s own count, is three years old. The plumbing is arriving faster than the measuring stick. That is the pattern across all five stories. Finance, data infrastructure, and talent are moving into CDR at the pace of a normal commodity market. The accounting that would tell us what those tonnes are for, and how confidently we can count them, is still being argued over in papers and policy briefs. Hardware and capital in the lead; denominators and verification trailing. ...

The CDR field now has more researchers who have gone quiet than researchers who are still publishing. The CDR Researcher Census puts the active pool at 32,833 and the dormant pool at 44,749. That is 58% of everyone who ever worked on removal now sitting out. And it is the day’s most important number. Here is why it matters more than the tripling that sits next to it. Active researchers roughly tripled, from a base near 11,000, to 32,833. That is a real surge. But the dormant count grew faster in absolute terms, and the ratio tells a plainer story than the growth rate: CDR pulls people in, and then most of them leave. The field’s bottleneck is not tonnes or capital. It is retention. ...

Nine million euros is 0.27% of 3.4 billion. That ratio is today’s story, and it shows up in all three posts in different clothes: CDR is still a small passenger inside much larger climate systems, whether the system is European public finance, a Kenyan e-fuels plant, or the ocean science literature. DAC money is a rounding error inside Europe’s net-zero spending Sirona Technologies, the Belgian DAC developer, landed a €9.1M Furu grant. Set against the €3.4B net-zero funding round it came out of, that is 0.27% of the money. I tracked the figure in Captain Drawdown’s daily CDR Log #297 because the denominator matters more than the numerator. A single DAC grant looks large on a company press release and small on a continental budget, and both views are correct at the same time. ...

The gap between a 1.7°C peak and a 1.5°C landing is roughly 440 to 660 billion tonnes of CO2 that someone has to pull back out of the air. That is a first-order estimate using the IPCC’s best guess of about 0.45°C of warming per 1,000 billion tonnes of CO2, and it understates the job, because as atmospheric CO2 falls the oceans give some back. So the number is a floor, not a ceiling. ...

Only about 3% of contracted durable CDR has actually been delivered. Of 246 biochar pure-play companies, 46 (19%) look dead. And on the same day those two numbers landed, Sweden committed SEK 9.3bn to a single award for bioenergy with carbon capture and storage (BECCS), which burns biomass and buries the CO2 it releases. That is the pattern across today’s three stories. Money is concentrating in a few large, state-backed projects while the long tail of smaller suppliers is thinning out, and the contracts that connect buyers to sellers are mostly still unfilled. Capital is not the bottleneck for the winners. Delivery is the bottleneck for everyone. ...

The most expensive carbon removal deal I read about today was for crushed rock, at $559 a tonne. The most useful science I read today was two papers trying to pin down how much carbon crushed rock actually removes. Those two facts are the day’s story. Money is moving faster than measurement, and the public conversation has not caught up to either. The day’s pattern: price, proof, and public framing are out of sync Three stories, three layers of the same gap. ...

An 11-year measured record from an olive grove shows the RothC soil carbon model overstated carbon gains by up to twofold. On the same day, two financiers explained that CDR only gets cheap capital once lenders can trust the number of tonnes removed. Those two stories are the same story. The pattern across today’s six posts is that CDR’s binding constraint is moving from “can we remove carbon” to “can anyone else verify and price what we removed.” A plant went live in Western Australia, a headcount census shows how small the pure-play sector still is, and two policy conversations argued that markets and the ocean both need rules before they need volume. Measurement and institutions are now the critical path. ...

All four of today’s stories come down to one question: which tonnes count. The physical limits on carbon removal are not the binding constraint right now. The accounting rules are. That shows up in the EU, where a plan for 250 Mt of removals inside the Emissions Trading System depends entirely on eligibility definitions. It shows up in the UK, where the government’s answer to its greenhouse gas removal (GGR) review is mostly a set of rules about what qualifies for support. It shows up in the science, where the honest answer to “how much can enhanced rock weathering remove” is “it depends on what you can measure.” And it shows up in Klaus Lackner’s long-running argument that scale is a manufacturing and policy problem, not a chemistry problem. The ceiling on CDR this decade is a definitions problem. ...