Energy & Science
This Solution to Runaway Emissions Starts With Crushed Rocks
‘Enhanced rock weathering’ would also boost agricultural yields while sucking up greenhouse gases.
A tractor kicks up dust as it drives through a field in the agricultural region of El Campo de Cartagena in Los Alcazares, Spain.
Photographer: David Ramos/Getty ImagesThis article is for subscribers only.
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Crushed rocks could one day draw down billions of metric tons of carbon dioxide from the air.