Mati Carbon Removals Raipur, Chhattisgarh, India Share! Scaling up enhanced rock weathering across India. Mati removes CO2 using enhanced rock weathering (ERW) of silicate rocks. Their program uses ground basalt-based soil amendment – called “Mati,” and distributes it in rice paddy fields.Country: IndiaStatus: OperationalType: Enhanced Rock Weathering Links Website