“Past studies on rock weathering have measured how the weathering process affects carbon capture, but they’ve overlooked the production of other greenhouse gases,” says Qiang Zeng, an author ...

so there are good reasons why there is discussion now that we might be in a sixth mass extinction." Getty Images When space objects hit the Earth they can release the carbon held in rock very ...

A host of carbon-capture startups hope to reverse this trend by removing large amounts of CO 2 from the atmosphere. One of those startups, Heirloom Carbon, announced on Wednesday that it had ...