Cleaner Tech

Sam Altman-Backed Startup Scaling Technology to Store CO2 in Rocks

44.01 is working on a carbon sequestration solution that speeds up a natural process that can take decades.

An Abu Dhabi National Oil Co. facility in Fujairah, which uses technology developed by 44.01. 

Photographer: Karim Sahib/AFP/Getty Images
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A type of rock found under every continent holds the potential key to permanently trapping planet-warming carbon dioxide under the Earth’s surface.

44.01, a startup backed by Sam Altman’s Apollo Projects, is developing technology that injects CO2 a kilometer underground, where chemical reactions turn it into stone. That type of technology will likely be crucial to limiting the worst effects of global warming.