This Week in CDR - Week 16, 2025

We are back with another edition of This Week in CDR, a weekly round-up of the top news, developments, and market updates from the world of durable carbon removal.

This week saw some huge developments with Microsoft purchasing 6.75 million tonnes of CDR from AtmosClear, making it the largest-ever durable CDR deal, just 4 days after signing a 3.65 megatonne deal with CO280. Occidental completed the acquisition of Holocene, while remove announced the inaugural cohort of the Africa Carbon Removal Accelerator.

Read on to learn more in the newest edition of This Week in CDR!

In case you've missed the older editions, sign up to become a CDR.fyi Portal member to access an extensive newsfeed of updates in durable CDR.

What is the market sentiment for durable CDR?
Explore findings from the 2025 CDR Market Survey with Sylvera, in which we present the market sentiment and expectations for durable CDR solutions for 2025 and beyond.

Deals and Partnerships

[Image source: AtmosClear]

Deals

AtmosClear, a portfolio company of Fidelis, signed an agreement with Microsoft for 6.75 million tonnes of CDR, making it the single-largest durable CDR deal in record. As per the agreement, the tonnes will be delivered over 15 years by AtmosClear.

Climate non-profit myclimate announced that it has made its first biochar credit purchase, sourced from Cotierra’s biochar-based carbon removal project in Colombia.

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Projects

[Image source: City CDR Initiative]

The City CDR Initiative announced its first cohort, featuring 10 cities including the likes of San Francisco, Helsinki, and Sydney, to baseline urban CDR opportunities, aiding sustainable city planning and innovation globally.

Ocean-based CDR project SeaCURE announced that it has launched its pilot facility in Weymouth, UK, with a projected 100-tonne annual CO₂ capture capacity, backed by £3 million in government funding to validate and scale the approach.

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Financing

[Image source: Holocene]

Occidental Petroleum purchased DAC startup Holocene Carbon, marking its second such deal for a DAC company, having acquired Carbon Engineering in 2023. The transaction amount was not disclosed.

Cascade Climate announced the awardees for its ERW Field Data Partnership Grants: over $1.2 million in funding across 9 projects focused on addressing key research priorities in enhanced rock weathering.

remove announced 12 teams that will be part of its inaugural Africa Carbon Removal Accelerator. The program, launched in January, aims to support sub-Saharan Africa-based CDR startups through expert exposure, guidance, and community connections.

CDR marketplace CEEZER announced the third cohort of the CEEZER Carbon Coalition, a program which provides start-ups in the voluntary carbon market with the tools needed to bridge the gap between ideation and commercialization.

Pricing Perception Gap in Durable CDR
Explore insights from the Durable CDR Pricing Survey, conducted in partnership with OPIS, to help market participants better understand pricing expectations for durable CDR credits.

Policy and Research

[Image source: SGS]

Isometric has approved testing, inspection, and certification company SGS as a Validation and Verification Body (VVB). SGS can now conduct assessments of CDR projects under the Isometric Standard.

Reports

[Image source: Carbonfuture]

Carbonfuture published The 2025 Guide to Carbon Removal Policy, offering a comprehensive overview of policy efforts, breaking down the latest developments in U.S. and EU policy, along with insights from hubs like Germany, Denmark, and California.

remove and sus.lab|ETH released a new report featuring insights from an explorative study and shares fundraising lessons and investor insights for CDR startups navigating venture capital funding.

Heads Up!

• Scaling Durable CDR: Challenges, Opportunities, and the Role of Standards

Join us on May 8 for an insightful webinar with Sylvera, in which we dive into the findings from our 2025 CDR Market Survey Report.

We'll explore how market sentiment, pricing expectations, and standard-setting guidance are influencing buyer and supplier behavior in the voluntary carbon market.

The webinar will be moderated by Annalise Downey (Senior Technical Climate Consultant, Sylvera) and will feature a panel of experts:

• Francesco Guglielmi, Chief Marketing & Sales Manager at Exomad Green
• Christopher Spry, Head of Carbon Markets at NatWest Markets
• Robert Höglund, Co-Founder at CDR.fyi
• Simon Manley, Director of CDR at Sylvera

Poll of the week

In our latest poll, we're eager to hear from you: From which track do you think the grand prize winner of the XPRIZE Carbon Removal competition will come from?

• Air
• Ocean
• Land
• Rocks

Click here to participate in the poll and share your thoughts in the comments.

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Disclosure

CDR.fyi is a public benefit corporation operating globally. Some of the company’s contributors have affiliations with companies in the industry, including Milkywire, Charm Industrial, CDRJobs, and DVNE. Data and content published by CDR.fyi, including This Week in CDR, our Monthly Recaps, and our Quarterly Market Updates, are vetted and reviewed by individuals with no conflict of interest.