Microsoft and Rubicon Carbon:

Working Together to Drive Carbon Removal Credits

May 15th, 2025

Rubicon Carbon and Microsoft announced a framework agreement to facilitate the purchase of 18 million tonnes of high-quality carbon removal credits.

Key Details of the Microsoft and Rubicon Carbon Framework Agreement:

A Rigorous Approach to Quality and Integrity

Rubicon Carbon has collaborated with Microsoft to develop an advanced evaluation framework grounded in science and aligned with both companies’ standards for integrity. Our in-house science team will lead the sourcing, due diligence, and continuous monitoring of ARR projects—leveraging state-of-the-art remote-sensing technologies to ensure transparency and quality over time.

Ready to Take the Lead on Climate?​

“Addressing climate change requires more than good intentions—it requires capital deployment at scale,” This collaboration serves as a blueprint for how the financial sector can meet the urgency of the moment while also generating strong financial returns. We aim to crowd in more capital by leveraging market-based mechanisms to scale societal impact at a planetary scale.”

Tom Montag, CEO | Rubicon Carbon

“This agreement demonstrates how science, finance, and business model innovation can work in concert to scale affordable and high-quality climate solutions. We believe that project finance needs to be central to the voluntary carbon market, and this deal signals the long-term demand for carbon removal necessary to mobilize infrastructure-grade investment and world-class execution.”

Brian Marrs, Senior Director |

Energy & Carbon Removal at Microsoft

Catalyzing Market-Based Climate Solutions

This agreement underscores Rubicon Carbon’s founding mission: to scale high-quality carbon removal projects through innovative market-based solutions. By working with forward-looking partners like Microsoft, we aim to unlock climate finance at scale—empowering global enterprises to act decisively on climate while delivering measurable impact.

“We launched Rubicon Carbon three years ago to catalyze high-quality carbon projects at scale. This agreement with Microsoft represents a milestone in that journey.” said Jim Coulter, Founding Partner of TPG and Managing Partner of TPG Rise Climate.

Interested in partnering with Rubicon Carbon

to drive climate solutions?