Climeworks Announces Key Performance Improvements at Mammoth

Over the past 18 months, technology upgrades have more than doubled CO₂ capture performance in upgraded collector containers while reducing operating costs by more than 50%.

Zurich, Switzerland | September 10th, 2026 – Climeworks today announced significant performance improvements at Mammoth, its direct air capture and storage facility in Iceland.

Drawing on insights gained through 18 months of operation, upgrades to the company's sorbent and plant design have more than doubled CO₂ capture performance in upgraded collector containers under real-world operating conditions. The first upgraded collector containers are now achieving their expected design performance, while operating costs have been reduced by more than 50%.

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The results demonstrate how operating large-scale direct air capture facilities and a world-class innovation center can accelerate technology improvements, reduce costs, and help validate the next generation of direct air capture systems.

The performance improvements are detailed in a new article by Climeworks co-founder and co-CEO Jan Wurzbacher, who shares what the company has learned from operating Mammoth and how those insights are shaping the future development of its technology.

Read the full article: How Mammoth is unlocking a step change in performance & reducing costs

About Climeworks

Climeworks is a leading high-quality carbon removal provider, combining decades of expertise in Direct Air Capture (DAC) technology with holistic carbon removal solutions.

Climeworks offers an end-to-end enterprise service for premium carbon removal. Its tailored portfolios of nature-based and engineered solutions are designed to maximize business value and minimize risks. The company runs the world's first two DAC plants in Iceland, demonstrating its core commitment to high-quality carbon removal that is backed by over 15 years of pioneering research, development, and deployment.

By advancing the most reliable solutions in the market, Climeworks accelerates the global transition to net-zero, unlocking economic value for businesses, governments, and society.