Spreading Rock Dust On Farms: A Tantalizing Climate Solution

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Hitting three birds with one stone, rock dust is a mining by-product that captures carbon dioxide and redistributes it and other nutrients back into fields. Crushing up rocks accelerates chemical weathering, where CO2 transforms into bicarbonate after dissolving in raindrops and reacting with rocks. The bicarbonate and other rock nutrients get trapped under the soil, preventing the carbon from reaching the atmosphere. If sprinkled over UK farms, rock dust could eliminate up to 30 million tons of CO2 yearly (45% of the country’s carbon emissions) by 2050. Read full article here

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