The world has plenty of limestone. And plenty of excess carbon dioxide, thanks to us. A startup called Heirloom uses limestone to capture carbon dioxide, then permanently and safely stores it.

Nov 9 (Reuters) - California climate technology company Heirloom on Thursday unveiled what it says is the first U.S. commercial direct air capture (DAC) plant to suck planet-warming carbon dioxide ...

Microsoft is helping to fund one of the US’s first hubs for pulling planet-heating carbon dioxide out of the air. It struck a deal with California-based startup Heirloom, which says it will ...

SHREVEPORT, La. – Heirloom Carbon Technologies, Inc. announced it is moving forward with the first phase of a decarbonization project that combines public and private investment to create two ...

The start-up that built the facility, Heirloom Carbon Technologies, calls it the first commercial plant in the United States to use direct air capture, which involves vacuuming greenhouse gases ...

The sedimentary rock absorbs carbon dioxide, creating a natural sink for the planet warming gas. The startup Heirloom Carbon is using technology to speed up limestone’s carbon removal capabilities.

MANOLA SECAIRA, BYLINE: There are different approaches to direct air capture, but the California facility opened by a company called Heirloom Carbon Technologies works like this... MAX SCHOLTEN ...

The plant in Tracy, built by Silicon Valley startup Heirloom Carbon Technologies, puts California at the forefront of the emerging carbon removal industry as a handful of so-called direct air ...