Carbon Capture
Fungus-farming ants have developed a way to capture atmospheric carbon dioxide and incorporate it into their exoskeletons as dolomite, a mineral that strengthens their armour and regulates nest air quality. This process, observed in species from Central and South America, occurs without the need for high temperatures or pressures that challenge lab synthesis. Researchers suggest it could inspire human carbon capture techniques.
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An analysis suggests that spreading crushed silicate rocks on agricultural fields could remove up to 1.1 billion tonnes of carbon dioxide from the atmosphere each year by 2100, while boosting crop yields. The method, known as enhanced rock weathering, accelerates natural processes to lock away CO2. However, researchers highlight uncertainties about its scalability and potential side effects.