Portfolio Spotlight: AEROC — Giving Enhanced Rock Weathering Its Eyes
This series highlights the companies Carbon Drawdown Initiative has invested in.
CDR Updates from Carbon Drawdown Initiative
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Latest posts
Carbon Drawdown Initiative Touches 5-10% of the CDR Workforce. Here’s What That Means.
One in ten people working in carbon removal is connected to our portfolio. I'm proud of that number, but it also tells a bigger story.
Portfolio Spotlight: CREW Turns Wastewater into a Carbon Sink
This series highlights the companies Carbon Drawdown Initiative has invested in.
[RESEND] Where does the CO₂-removal potential of enhanced weathering actually go?
THIS IS A CORRECTION: Earlier today we unfortunately sent out an old version of this article.
To produce high weathering effects, we turned our greenhouse "up to 11": but where on Earth would that be?
When we set up our greenhouse experiment in 2023 we deliberately maximised weathering to get the strongest possible signal: we turned every dial to "11", soil held at 19–30 °C, plants growing throughout the year, and we aimed for a lavish ~2,000 mm of irrigation a year (in summer we even had to apply up to 4000 mm, because otherwise we would not have collected enough leachate to measure carbon…
Is 2026 the Year European Carbon Removal Policy Finally Breaks Through?
A Symposium highlight from the Negative Emissions Platform's Secretary General and why his answer matters for the whole industry
A Tour of Our CDR Greenhouse Experiment
The welcome talk we gave at our greenhouse — for everyone who couldn't be there.
Three Observations from the Carbon Drawdown Symposium
Progress, open questions, and what comes next.
The Carbon Drawdown Symposium begins tomorrow.
12 presentations. 9 research questions. Real data, live for the first time.
One week until the Carbon Drawdown Symposium
On 16 June, we will open our measurement dataset on enhanced rock weathering live, in public, for the first time.
Personal view from a newcomer in CDR about ERW
A guest post by our intern, Tina vom Hagen
Flower power in the greenhouse: Small strips, big impact
Guest post by our intern, Tina vom Hagen
Announcing Carbon Drawdown Symposium 2026
400 Pots, Three Years, and the Results Are (Almost) In
Portfolio Spotlight: NeoCarbon — Turning Data Center Waste Heat into Cooling Efficiency & Carbon Removal
This series highlights the companies Carbon Drawdown Initiative has invested in.
Portfolio Spotlight: sequestra — Turning Industrial Waste into Permanent Carbon Storage
This series highlights the companies Carbon Drawdown Initiative has invested in.
Startup CEOs providing regular updates to investors have a higher success rate
By Dirk Paessler, Founder/CEO of Carbon Drawdown Initiative
(9/9) Overall Discussion and Conclusion
We recommend starting with the intro in Part 1 of this series.
(8/9) Substituting TA measurements with EC measurements
We recommend starting with the intro in Part 1 of this series.
(7/9) EC’s Proxy Performance for Individual Treatments (Micro-Scale)
We recommend starting with the intro in Part 1 of this series.
Creating An Autonomous AI Agent That Acts as Evangelist for Carbon Dioxide Removal
In One Day!