Climate

How powdered rock could help slow climate change

A method called enhanced rock weathering shows promise at capturing carbon dioxide from the air

A tractor spreading rock dust in a field

A farmer in Scotland spreads rock dust on a field before cultivation. The pulverized rock could help pull excess carbon dioxide from the atmosphere and sequester it for thousands of years.

SO-Photography/Alamy Stock Photo

By Ann Leslie Davis

On a banana plantation in rural Australia, a second-generation farming family spreads crushed volcanic rock between rows of ripening fruit.