This Week in CDR - Week 17, 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.

As Earth Day unfolded this week, we saw some huge developments with Microsoft and Carba’s offtake agreement for 44,000 tonnes of CDR, along with Misui O.S.K. Lines purchasing 23,400 tonnes from Climeworks and Alt Carbon, while XPRIZE announced the winners of its $100M Carbon Removal competition.

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

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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: Carba]

Deals

Biomass direct storage company Carba signed an offtake agreement with Microsoft for 44,000 tonnes of CDR. This is Carba’s first CDR deal and the tonnes will be delivered over 5 years, starting in 2025.

Climeworks announced Mitsui O.S.K. Lines (MOL) as its first shipping industry partner, signing a 15,000-tonne offtake agreement and an MoU for investing in scaling Climeworks’ Direct Air Capture deployment globally.

Alt Carbon signed an offtake agreement with Mitsui O.S.K. Lines, for 10,000 tonnes of CDR, making it Japan’s first-ever enhanced Enhanced Weathering deal. The tonnes will be generated from Alt Carbon’s Darjeeling Revival Project in Eastern Himalayas, India.

Eion and Perdue AgriBusiness partnered on a carbon insetting deal, using optimized olivine to help Perdue grain farmers remove 3,500 tonnes of CO₂. This is the first Ehanced Weathering deployment within a company's own supply chain to remove CO₂.

Tambora Carbon Removal, an Indonesian climate tech startup specializing in enhanced rock weathering for smallholder farmers, secured its first CDR offtake agreement for 4,400 tonnes with Wild Assets, a CDR-focused buyer.

Bio-oil sequestration company Charm Industrial delivered 180 tonnes of verified carbon removal credits to customers of Commons, a sustainable spending platform. The tones were officially certified by Isometric.
*Disclaimer: CDR.fyi Co-founder Kevin Niparko is Product and MRV lead at Charm Industrial

Carbon Direct announced a Request for Proposal (RFP) for suppliers, targeting a procurement of 200-300,000 tonnes of CDR on behalf of its client. Successful projects will comply with its 2024 Criteria for High-Quality Carbon Dioxide Removal.

ClimeFi is set to purchase 90,000–120,000 tonnes of durable CDR credits on behalf of its clients and has launched an RFI for suppliers meeting a 5,000-tonne annual capacity. Eligible suppliers will be considered for the RFP until May 2.

Partnerships

BeZero Carbon and Xpansiv expanded their partnership, integrating BeZero’s credit ratings into Xpansiv’s platform to boost transparency and decision-making in voluntary carbon markets.

Market expansion firm DKSH partnered with Klimate to procure CDR credits from Octavia Carbon’s DAC project in Kenya and a biochar initiative in Thailand, supporting net-zero and community co-benefits.

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Projects

[Image source: TrueCoco Ghana]

Truecoco Ghana produced its first tonnes of biochar from coconut husk waste, advancing CDR and supporting smallholder farmers. The project aims to be the first certified industrial coconut husk initiative globally.

ecoLocked announced that the ecoLocked Hub is now the first standalone material processing plant certified by the European Biochar Certificate (EBC), ensuring high-integrity biochar handling for reliable carbon removal credits.

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Financing

[Image source: XPRIZE]

XPRIZE announced the winners of its $100M Carbon Removal competition. Mati Carbon took the $50 million Grand Prize, while NetZero, Vaulted Deep, and UNDO Carbon received runner-up awards.

RepAir Carbon secured a $15 million extension to its Series A funding led by Extantia Capital and Taranis Carbon Ventures, with support from Ormat Technologies, Repsol, and a $3 million grant from the Israeli Innovation Authority.

Greenlyte, along with Max Planck Institute for Chemical Energy Conversion (MPI CEC) and Evonik Industries, secured public funding for a pre-study integrating DAC and hydrogen with methanol synthesis, paving the way for Greenlyte’s first commercial facility.

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: Deep Sky]

ClimeFi initiated rating coverage on project developer Deep Sky. The ratings coverage will support ClimeFi’s clients and corporate partners with dynamic and forward-looking insights into Deep Sky’s DAC credit supply.

Opna launched the Opna Impact Framework, adding an extra layer to its due diligence for carbon removal projects, assessing them across five pillars: carbon, social, environmental, economic, and innovation.

Carbon Gap launch the new Nordic Carbon Removal Association on June 3, 2025, in tandem with a survey with Implement Consulting Group to inform the Nordic Carbon Dioxide Removal Market Report.

Frontier designated CDR registry Puro.earth as a Leading Credit Issuer, recognizing Puro’s governance, scientific rigor, and transparency in high-quality carbon removal credits.

CDR.fyi Updates and Research

2025 Q1 Durable CDR Market Update: Back at Basecamp

We released the 2025 Q1 Durable CDR Market Update report, analyzing and uncovering key trends in the durable CDR market. At 462,000 tonnes contracted, this was the lowest-volume quarter since Q1 2023, before Microsoft changed the course for the year in early Q2.

This blog post is an abridged version of the comprehensive edition exclusive to our Data Partners and Platform Subscribers. For access to the full report or further information, kindly contact us at partners@cdr.fyi.

Poll of the week

In our latest poll, we're eager to hear from you: How much of an impact do you think the XPRIZE Carbon Removal competition has had in advancing CDR?

Huge impact
Moderate impact
Minimal impact
Too early to tell

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.