On a Midwestern farm growing corn and beans, a tractor will soon spread 1,543 tons of rock dust over 140 acres. The goal: fighting climate change. Over the next two growing seasons, the dust—crushed ...

A new technique turns climate-warming carbon emissions to stone. In a test program in Iceland, more than 95 percent of the carbon dioxide injected into basaltic lava rocks mineralized into solid rock ...

In a remote, barren part of northern Kenya, a new pilot project will soon begin injecting CO2 more than 1,300 feet underground into volcanic rocks, where the greenhouse gas will also turn to stone. It ...