New technologies to remove carbon dioxide from the atmosphere are growing in scale –though their effect on the climate ...

Rock rich in calcium and/or magnesium, such as basalt, can be crushed and spread over the soil to capture CO₂. The rock can be mined for this purpose or obtained as a byproduct from other mines ...

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Adding crushed rock dust to farmland could draw down up to two billion tonnes of carbon dioxide from the air per year and help meet key global climate targets, according to a study led by the ...

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The dust is crushed basalt – volcanic rock which can be found in abundance in quarries across the country. The magic comes from its ability to both capture carbon dioxide from the atmosphere and ...