Microsoft Pauses New Carbon Removal Credit Purchases

Microsoft accounts for up to 90% of global carbon removal purchases, making its pause a critical demand shock for the sector
High costs, rising emissions from AI infrastructure, and shifting corporate targets are reshaping carbon market dynamics
Policy uncertainty in the U.S. and reduced federal support risk slowing innovation and scaling of carbon removal technologies

Microsoft has begun informing partners and suppliers that it will pause new purchases of carbon removal credits, a move that introduces fresh uncertainty into a market heavily reliant on corporate demand to scale.

The decision comes without a defined timeline or detailed explanation, leaving developers, investors, and policymakers assessing the implications for one of the most capital-sensitive segments of the climate transition.

A company spokesperson said, “We continually review and assess our carbon removal portfolio along with market conditions for the optimal balance on our path to carbon negative.”

Market Leader Steps Back

Microsoft has been the dominant buyer in the nascent carbon removal sector, responsible for between 79% and 90% of all historical purchases. The company has secured more than 45 million tons of carbon removal to date, far exceeding the next-largest buyer, Frontier, which has contracted 1.8 million tons.

Its purchasing strategy has functioned as a cornerstone for early-stage technologies, from direct air capture to soil carbon sequestration and biochar. By issuing detailed criteria for “ideal” projects, Microsoft also helped establish early standards across the industry.

The company’s recent activity suggested continued momentum. In early 2026, it announced four major deals, including the largest soil carbon removal agreement with Indigo Ag, a record U.S. biochar offtake, and a 626,000-ton bioenergy with carbon capture and storage agreement in Canada with Svante and the Meadow Lake Tribal Council.

A spokesperson for Svante confirmed that existing agreements remain unaffected, stating that “…our recently announced CDR offtake agreement is not/will not be impacted.”

Emissions Pressure From AI Expansion

The pause reflects growing tension between corporate climate commitments and operational realities. Microsoft has pledged to become carbon negative by 2030 and to eliminate its historical emissions by 2050.

Yet rapid expansion of AI infrastructure has driven a surge in energy consumption. Data center growth has pushed the company’s emissions higher, with a reported 23.4% increase in 2024 and similar levels expected in 2025.

This divergence has complicated the company’s original decarbonisation trajectory, which anticipated declining emissions offset by scaled carbon removal. Instead, the need for large volumes of high-quality credits has intensified at a time when supply remains expensive and limited.

Carbon removal costs continue to range widely, from roughly $50 to $500 per ton depending on the method. For many corporate buyers, including Microsoft, this creates a material financial consideration when balancing climate commitments with operational growth.

Policy And Funding Headwinds

The broader policy environment in the United States is adding further pressure. Federal support for carbon removal has weakened, with funding for direct air capture hubs reduced and, in some cases, redirected toward legacy energy assets.

While the 45Q tax credit remains in place, supporting projects that combine carbon capture and removal, overall federal momentum has slowed. Congress has approved more than $116 million for research and a federal purchasing programme, but this remains modest relative to the scale required for deployment.

For developers, the combination of uncertain corporate demand and uneven policy support raises concerns about financing future projects. Carbon removal technologies are capital intensive and depend on long-term offtake agreements to secure investment.

Industry At An Inflection Point

Microsoft’s shift arrives at a critical moment. The Intergovernmental Panel on Climate Change estimates that between 7 billion and 9 billion tons of carbon dioxide must be removed annually by 2050 to meet global climate targets.

Industry participants warn that without sustained demand, cost reductions will slow and early-stage companies may struggle to reach commercial viability. The pipeline of new technologies could narrow just as global climate strategies increasingly depend on large-scale carbon removal.

The immediate impact may not be a collapse in activity but a change in pace. If Microsoft reduces its role as the primary market signal, investment decisions across the ecosystem could become more cautious.

For executives and investors, the development highlights a structural risk in voluntary carbon markets: concentration of demand. When a single buyer dominates, any strategic shift reverberates across supply chains, financing models, and policy expectations.

The longer-term outlook will depend on whether demand diversifies beyond a handful of large technology firms and whether governments step in with stronger procurement frameworks.

For now, Microsoft’s pause introduces a period of recalibration for a sector that remains essential to achieving net-zero targets, but still searching for stable economic foundations.