$345.57
Carbon credits for climate change mitigation. Delivery year: 2027. Currently available: 1,448.00 metric tons.
Terradot is a high-integrity carbon removal company that employs Enhanced Rock Weathering (ERW) to permanently sequester carbon dioxide. By spreading crushed basalt rock on agricultural lands—specifically in Brazil, which offers ideal climatic conditions—Terradot accelerates a natural geological process that typically takes millions of years into a timeframe relevant for climate action. The company distinguishes itself with a rigorous, science-first approach to Measurement, Reporting, and Verification (MRV), utilizing direct “ground truth” data to ensure every ton of removed carbon is accurately accounted for.
Terradot’s technology scales Earth’s natural thermostat—the silicate carbonate cycle—using a process designed to be compatible with existing agricultural infrastructure. The method proceeds in four key steps:
Application: Terradot sources crushed basalt, a silicate rock often available as a byproduct of mining, and transports it to partner farms. This rock dust is spread over agricultural fields using standard lime spreaders.
Reaction: When rainwater falls on the crushed rock, it triggers a chemical reaction. The water, slightly acidic from atmospheric CO2, dissolves the basalt, capturing the carbon dioxide and converting it into stable bicarbonate ions.
Storage: These bicarbonate ions wash through the soil and eventually flow into rivers and the ocean, where the carbon is securely stored for over 10,000 years.
Measurement (MRV): Terradot employs a “ground truth” verification system. Instead of relying solely on theoretical models, they use high-density soil sampling, water sensors, and advanced reactive transport modeling to empirically measure the chemical changes in the soil and water, ensuring precise quantification of carbon removal.
Terradot focuses its operations in Brazil, a region uniquely suited for ERW due to its warm, humid climate and acidic soils, which accelerate the weathering reaction. The company has already demonstrated commercial scale, spreading over 48,000 tons of rock across 1,800 hectares in its first year of operation. Beyond carbon removal, the process offers substantial benefits to farmers by acting as a limestone replacement: it neutralizes soil acidity and adds essential nutrients, which can improve crop yields and soil health.
Terradot aims to remove gigatons of CO2 annually by the 2030s. The company is driving down costs by optimizing logistics—such as sourcing rock closer to farms—and refining its MRV technology to require fewer physical samples over time. By partnering with major agricultural research institutions like EMBRAPA, Terradot is building the scientific and operational foundation to turn rock weathering into a global, scalable climate solution.