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Terradot's Basalt Method Boosts Carbon Capture in Brazil

10/15/2025

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Summary

Story summary

Terradot, the carbon capture company, applies finely milled basalt on Brazilian farmland to form bicarbonate when it reacts with rain and soil.
The practice accelerates the natural silicate weathering process that has regulated Earth's climate for billions of years.
Over the past year, Terradot spread more than 100,000 tonnes of basalt across 4,500 hectares, while Microsoft funds field trials and data infrastructure to verify the process.

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Story summary

Terradot, the carbon capture company, applies finely milled basalt on Brazilian farmland to form bicarbonate when it reacts with rain and soil.
The practice accelerates the natural silicate weathering process that has regulated Earth's climate for billions of years.
Over the past year, Terradot spread more than 100,000 tonnes of basalt across 4,500 hectares, while Microsoft funds field trials and data infrastructure to verify the process.