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Alt Carbon scores $12M seed to scale carbon removal in India


From a struggling family tea estate to an innovative climate venture, Alt Carbon has raised $12 million in a seed round as it plans to scale its carbon

The climate-tech startup, which locks away carbon for thousands of years through enhanced rock weathering on farmlands, attracted investment led by Lachy Groom, the co-founder of the robotics AI company Physical Intelligence. The rock dust, a waste product from the construction industry, is spread on farm fields where it reacts naturally with rainwater to remove carbon dioxide and add micronutrients to the soil to improve its fertility and health and enhance crop yields. It aims to scale these labs and expand its work by doing more soil sample analysis and even setting up a hardware studio for better, high-quality data collection on the ground, using remote sensing.

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