GS3Economy · S&T · Environment · Security· Nuclear & new energy technology· Prelims + Mains·
Scientists are exploring Enhanced Rock Weathering (ERW) as a dual-purpose strategy to sequester atmospheric CO₂ and enhance agricultural productivity.
ERW involves spreading crushed volcanic rock (basalt) over farmland to accelerate natural chemical reactions with rainwater. The process converts CO₂ into bicarbonate ions, which eventually wash into the oceans, while simultaneously releasing essential nutrients like calcium and magnesium into the soil.
Q. Examine how Enhanced Rock Weathering (ERW) can serve as a viable Carbon Dioxide Removal (CDR) strategy while addressing food security challenges.
Dimensions to cover in your answer
Keywords: Carbon Dioxide Removal (CDR) · Carbon Sequestration · Soil Health · Climate Mitigation · Enhanced Rock Weathering
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