Today was a DAC day—and not in a good way. The US political stall is real: $3.5 billion in DOE funding frozen for 500+ days, and three companies (Climeworks, Heirloom, Occidental) are locked in limbo. Meanwhile, a rigorous new paper from Politecnico di Milano and ETH Zurich quantifies what DAC actually costs ($200–330/tCO₂ in sustained subsidies), and Australia and Japan just quietly announced a hydrogen-plus-DAC partnership that suggests the real action is moving to Asia-Pacific.

On the co-benefits side, biochar got a new job destroying antibiotics in water, and British Airways committed to removing 5–10 million tonnes annually by 2050—a reminder that corporate CDR demand isn’t disappearing, even as funding freezes.

The Stalled Hub Opportunity

$3.5 Billion in DAC Hubs Are Stuck in Political Limbo

Project Cypress has been silent for over 500 days. Three regional direct air capture hubs—built on DOE funding and industry partnerships—are effectively frozen in place while the political dust settles. Climeworks, Heirloom, and Occidental are all waiting. The question isn’t whether these hubs are viable; it’s whether they’ll ever get the runway they need. This is the cost of policy uncertainty at scale.

The Math Settles—Barely

The Math on DAC Subsidies: $900B to $3T, and It’s Worth It

A new paper cracks the economics: DAC requires $200–330/tCO₂ in sustained subsidies over decades to hit gigaton scale. That’s between $900 billion and $3 trillion to deploy enough capacity. There’s only a 4–6% chance of reaching a gigaton by 2050. But here’s the catch: if paired with aggressive emission cuts, the math works. The subsidy payback is real. It’s not that DAC is too expensive; it’s that it only pencils out alongside decarbonization, not instead of it.

While Washington Waits, Asia-Pacific Moves

Australia and Japan Are Quietly Building a DAC and Hydrogen Partnership

Australia’s climate minister met Kawasaki Heavy Industries in Kobe to discuss supply-chain integration of DAC and hydrogen. No press release theatrics. Just two export-oriented economies recognizing that carbon removal can anchor industrial decarbonization. The US political gridlock is handing Asia-Pacific a chance to lead on integration.

Biochar Gets Weird (In a Good Way)

Biochar Just Got Another Job: Destroying Antibiotics in Water

A biochar-nanotube-Fe₃C composite removes 90%+ of antibiotics from wastewater—15 times better than conventional treatment. This isn’t carbon removal in the traditional sense, but it’s exactly the kind of co-benefit that makes biochar economically viable. If biochar production can stack carbon credits with water treatment services and soil amendment revenue, the whole value chain rebalances.

Scale Meets Reality

British Airways’ Carbon Removal Strategy: 5-10M Tonnes Per Year by 2050

BA presented at the CUR8 Carbon Removal Summit with a sobering commitment: they need 5–10 million tonnes of removals annually by 2050, representing one-third to one-half of their net-zero target. The portfolio is 60% UK-focused. Notably, they’re exploring whiskey distillery CO₂ capture—point-source removal paired with a heritage industry. This is what scaled corporate CDR demand looks like: specific, regional, and anchored in actual business operations.

The Census: Where the Researchers Are

The CDR Brain Map — Where the Researchers Are

Part 2 of the Census series reveals the geographic mismatch. China has 37,942 researchers (34% of the global total), the US has 14,205 (13%). The science-company disconnect is stark: leading research doesn’t always translate to commercial deployment. Geography shapes opportunity.

Worth Watching (But Didn’t Make the Cut Today)

  • Integrating DAC and reverse water-gas shift over FeNi-modified catalysts — solid academic work on catalyst design [Score: 70]
  • Co-deployment of enhanced weathering and biochar — soil organic matter effects under field conditions [Score: 70]
  • Google’s AMP deal for 200K tons from waste streams — quiet but substantial [Score: 30]
  • Carbon Business Council Direct Storage of Biomass coalition — emerging policy infrastructure [Score: 20]
  • Marine CDR postdocs at Dalhousie — hiring signal, not a breakthrough [Score: 35]

Growth data: Among CDR companies, Ground Up is hiring fastest (+650%), followed by Equilibrium (+454%) and Ceal (+350%). Of 820 companies tracked, 138 are actively growing. The market is still consolidating, but momentum is unmistakably real where it exists.

Digest published 2026-03-21. Next edition tomorrow.