Crew Carbon Signs Offtake Agreement With Microsoft for Wastewater Carbon Removal

The agreement further validates CREW’s high-quality credits, advancing industrial carbon removal at scale.

BROOKLYN, N.Y. — CREW Carbon, Inc. (“CREW”) today announced an offtake agreement with Microsoft for the delivery of up to 23,602 durable, verified carbon removal units (CRUs) from CREW’s patented wastewater alkalinity enhancement (WAE) technology.

CREW’s patented technology integrates into existing wastewater infrastructure to improve treatment performance and permanently remove carbon dioxide, delivering the world’s first and only verified carbon removals from wastewater alkalinity enhancement to date. Without needing the federal funding or permitting support that other carbon removal approaches typically require, CREW’s wastewater alkalinity enhancement, developed at and backed by Yale University, enables utilities to get more out of existing infrastructure.

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CREW uses strategically-sourced alkaline minerals, such as calcium carbonate, to optimize key conditions, like pH and alkalinity, in each wastewater treatment plant’s specific process and minimize the carbon footprint of plant operations. CREW delivers better biological performance for operators while locking away CO2 and superpollutant emissions in a permanent, measurable form.

This new agreement follows CREW’s existing long-term agreements with leading corporate carbon buyers JPMorgan Chase, Google, Autodesk, Stripe, and others through Frontier, bringing CREW’s total committed carbon removal to $40M+.

These buyers signal the market’s value on carbon removal solutions that combine:

– Rigorous, closed-system measurement, reporting, and verification (MRV)
– Scalable deployment within existing infrastructure
– Operational co-benefits for customers
– Permanent storage pathways

“This agreement with Microsoft is a major milestone for CREW and further validates our approach to delivering high-quality, durable carbon credits while we optimize wastewater treatment performance,” said Dr. Joachim Katchinoff, CEO and co-founder of CREW.

“We’re proud to expand our carbon removal with an organization as committed as Microsoft to carbon removal solutions.”

CREW’s closed-system approach includes inlet and outlet monitoring of precise engineered carbon removal. All of CREW’s carbon removal is quantified through rigorous plant-level monitoring, tracked with downstream modeling, and verified by independent registries.

“Microsoft’s offtake agreement with CREW supports the advancement of a novel, wastewater-based approach that is highly durable and measurable,” said Phillip Goodman, Carbon Removal Portfolio Director.

“CREW has shown that carbon removal in the wastewater sector is implementable and scalable with high Monitoring, Reporting and Verification (MRV) certainty.”

With wastewater treatment plants that CREW works with globally processing billions of gallons daily, the potential for CREW’s solution represents a clear pathway to gigaton-scale carbon removal.

About CREW Carbon

CREW is a water technology company providing wastewater treatment facilities with a process intensification solution that improves performance, lowers costs, and permanently removes greenhouse gases.

By optimizing key environmental conditions such as pH and alkalinity through smart-dosing of strategically-sourced calcium carbonate, CREW delivers better biological treatment, improved settleability, reduced chemical usage, and increased capacity and efficiency.

CREW’s data-driven solution integrates seamlessly into operators’ existing processes, with measurable results in weeks, to better serve communities. To learn more, visit: crewcarbon.com