Microsoft's Carbon Removal Pause Puts a One-Buyer Market to the Test

Microsoft has paused all new carbon removal purchases, with no timeline and no detailed explanation. For most companies, that's a routine portfolio adjustment. For the carbon removal industry, it's the moment everyone quietly feared. One buyer held 80 to 90 percent of global engineered carbon dioxide removal demand. Now that buyer has stepped back.

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How Big Was Microsoft's Role in the CDR Market?

Microsoft wasn't just the largest buyer in the carbon removal market. In many ways, it was the market itself.

In 2025, the company contracted 45 million metric tonnes of carbon removal credits. That was twice its 2024 volume and nine times its 2023 figure, according to Microsoft's own releases. Combined with prior years, its total contracted volume reached approximately 72.5 million metric tonnes across three years. The company also contracted around 3 million metric tonnes in 2021 and 2022.

No other corporate buyer came close. The next-largest buyer, Frontier, a purchasing coalition led by Stripe, has contracted approximately 1.8 million metric tonnes in total lifetime purchases. Microsoft contracted that amount roughly 25 times over in 2025 alone.

According to CDR.fyi, Microsoft made 90 percent of all carbon removal purchases worldwide in 2025. Across its full history of purchases, the company is generally cited as accounting for between 79 and 90 percent of all engineered CDR procurement globally.

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Why Did Microsoft Actually Pause?

This isn't an abandonment of carbon removal. The math for Microsoft's 2030 carbon-negative target still roughly works. The pause is a recalculation.

Microsoft has pledged to become carbon negative by 2030 and to eliminate all historical emissions by 2050. Its most recent sustainability report projected retiring close to 6 million credits in 2030 to hit that goal. With a stockpile of roughly 70 million contracted credits on hand in 2030, the company has enough to remain carbon neutral for nearly a decade beyond its target date, based on forecasts in the report.

The problem is the emissions side of the equation. Microsoft achieved only a 1.8 percent decrease in total emissions between 2023 and 2024. Under the scenario in its most recent report, that total needs to more than halve by 2030. AI data center expansion is driving continued emissions growth. New gas-powered data center projects in the pipeline add further pressure to that trajectory.

Melanie Nakagawa, Microsoft's chief sustainability officer, said the company's carbon removal program has not ended. She indicated that the pace or volume may be adjusted as the company continues to refine its approach toward sustainability goals. A Microsoft spokesperson stated the company "continually reviews and assesses its carbon removal portfolio along with market conditions for the optimal balance on its path to carbon negative."

The pause reflects a strategic recalibration, not a retreat from climate commitments. But the gap between purchasing credits and actually cutting emissions is widening. That gap is what the industry now has to reckon with.

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What Does This Expose About the CDR Market?

The fragility was always there. Nobody wanted to say it out loud.

Startups built roadmaps around Microsoft demand. Developers modeled long-term financing around its offtake agreements. Companies like Climeworks and Carbon Engineering signed multi-year deals with Microsoft. Those agreements helped fund early deployment of direct air capture facilities that otherwise may never have reached commercial scale.

That's not a bad thing. Early markets often depend on anchor buyers. The problem is that nobody built in a serious plan for when the anchor lifts.

A market where one buyer controls 80 to 90 percent of global demand isn't really a market. It's a single-customer dependency. CDR's persistently high costs, ranging from $50 to $500 per metric ton across nature-based and technological approaches, made it almost impossible to attract the broad corporate base needed to reduce that concentration risk.

Buyer	Lifetime CDR Volume Contracted	Share of Global Engineered CDR (2025)
Microsoft	~72.5 million metric tonnes (3-year total)	~90% (CDR.fyi, 2025)
Frontier (Stripe-led coalition)	~1.8 million metric tonnes (lifetime)	Small fraction of total
JPMorganChase	Over 520,000 metric tonnes (CDR.fyi, 2025)	Small fraction of total

The 2025 market did show some positive signs. Roughly 50 percent of first-half 2025 buyers were first-timers, including ByteDance, which purchased over 100,000 metric tonnes through Rubicon Carbon. The durable CDR market crossed 1 million metric tonnes in actual deliveries for the first time, across 521 purchasers from 35 countries. That's real progress. It's just not enough to replace Microsoft-scale demand overnight.

What Policy Foundations Are Still Standing?

The policy floor isn't gone. It just needs to do heavier lifting than it was designed for.

The Section 45Q tax credit survived the One Big Beautiful Bill Act and came out stronger. It now offers $85 per metric ton for point-source carbon capture and $180 per metric ton for direct air capture with dedicated geologic storage. That's meaningful for project economics, especially for developers who can monetize credits through transferability provisions.

Congress has been more supportive of CDR than the executive branch. The 2026 federal spending law included more than $116 million to support carbon removal research and establish a federal purchasing program, according to Carbon180. Federal programs including the Carbon Dioxide Removal Purchase Pilot Prize and the CREST Act exist to create consistent government demand for CDR.

Canada became the first national government to launch a dedicated CDR procurement program, targeting at least $7 million in purchases across direct air capture, BECCS, biochar, and other removal pathways. The EU's Industrial Carbon Management Strategy and the UK's Greenhouse Gas Removal business model are also emerging as potential public demand sources.

None of these are Microsoft-scale. But they don't need to be. They need to be consistent, credible, and stackable with private demand.

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What Must Happen Next for Carbon Removal to Scale?

The CDR industry now has a clear task: prove it can attract a broader, more distributed buyer base. The alternative is watching the next phase of scaling stall.

Part of that means driving costs down. The direct air capture market is projected to reach $120.8 billion by 2034, growing at a 61.4 percent compound annual rate. That growth requires a wider spread of demand, not reliance on a single buyer. Technologies like hybrid DAC systems from Avnos are cutting energy use by over 50 percent compared to traditional approaches. Climeworks' Generation 3 systems capture twice the CO2 at half the energy and half the cost of prior systems. These cost reductions matter for attracting buyers outside of tech giants.

Existing contracts remain intact. Svante confirmed its CDR offtake agreement with Microsoft is not affected by the pause. That keeps current projects operational. The issue is the pipeline beyond what's already committed.

The Carbon Removal Alliance's policy roadmap calls for expanding federal procurement programs and integrating carbon removal into trade policy through carbon border adjustment mechanisms. That kind of systemic demand creation is what the market has been missing.

Companies like Aircapture, which raised $50 million in Series A funding to deploy modular DAC systems at industrial sites, are building models around distributed commercial demand rather than single large offtakes. That approach may prove more resilient in the post-Microsoft phase of the market.

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The Honest Reckoning the Industry Has Been Avoiding

The pause doesn't kill carbon removal. The technology is real. The credits are real. The climate need is real. But this moment forces a conversation the industry kept postponing.

A market that relies on one buyer isn't a market. It's a partnership with a very large counterparty risk attached. The 45Q credit, government procurement programs, and a growing spread of corporate buyers all represent the foundation of a more resilient demand base. Building on that foundation, rather than waiting for Microsoft to return, is the only path that leads to meaningful scale.

The CDR industry has proved it can deliver at scale. The durable CDR market hit 1 million metric tonnes in actual deliveries in 2025, across 521 purchasers from 35 countries. That's a market. Now it needs to grow like one.