Vaulted Deep Signs Deal with Microsoft to Remove Carbon via Waste Management Infrastructure
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HOUSTON, July 17, 2025 ~ Vaulted Deep, a leading waste management company, has announced a new partnership with technology giant Microsoft to deliver durable carbon dioxide removal through its innovative waste management infrastructure. The agreement, which runs through 2038, will see Vaulted Deep providing up to 4.9 million tonnes of carbon removal over the course of 12 years.

The company's unique approach involves storing organic waste deep underground, effectively removing carbon from the atmosphere. This method not only permanently removes carbon but also reduces methane emissions and helps prevent harmful contaminants from entering local environments.

According to Julia Reichelstein, co-founder and CEO of Vaulted Deep, this partnership reflects a growing demand for scalable solutions that can address real-world problems. "As carbon removal moves beyond pilots and prototypes, there is a need for solutions that can safely scale and have tangible benefits for both the climate and public health," she stated.

To date, Vaulted Deep has already removed nearly 18,000 tonnes of CO₂ and diverted over 69,000 tonnes of organic waste from surface application, landfilling, and incineration. Their methodology is certified by carbon registry Isometric, ensuring long-term durability and scientifically validated results.

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Microsoft's Senior Director of Energy and Carbon Removal, Brian Marrs, praised Vaulted Deep's approach as a differentiated and scalable solution with low technology risk. "Its work not only delivers immediate climate benefits but also stimulates local economies and addresses long-standing environmental challenges faced by communities," he said.

Vaulted Deep's technology has been safely operating since 2008 and is permitted in multiple states. In fact, it was first applied to organic waste in Los Angeles where it has successfully managed 20 percent of the city's biosolids for the past 15 years.

In Kansas, Vaulted Deep manages 75 percent of the City of Derby's biosolids and works with local farmers to manage excess manure while sequestering carbon that would otherwise be released into the atmosphere. This has resulted in the creation of 18 full-time jobs and over $5 million in local economic investment in just 18 months. With recent infrastructure upgrades, the facility is now able to triple its waste processing capacity, leading to further job creation and partnerships with local haulers.

With over one billion tons of excess organic waste produced annually in the U.S., Vaulted Deep is actively seeking new waste partners across industries to tackle their hard-to-manage organic waste. Their proven approach, which combines waste management with carbon removal, offers a dual solution that meets urgent needs while driving measurable climate and public health improvements.
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