While land-based carbon dioxide removal projects have been undergoing testing ... It begins by pumping seawater into a tank and then using an electrical current to electrolyze the water.

In Brisbane, just south of San Francisco, an industrial building leased by Heirloom, another startup, has an oddly similar vibe: that of careful experiments ... lime to air and it absorbs carbon ...

Researchers from UCLA’s Institute for Carbon Management have developed a method that could eliminate nearly all of the carbon dioxide emitted ... This cement is made using limestone, an abundant and ...

While biochar has been added to cement before, this time the team treated it first using concrete ... % of its own weight in carbon dioxide from the air around it. In experiments, the team created ...

Unlike many other direct air capture (DAC) startups, Heirloom doesn’t use a liquid to capture carbon dioxide from the air, but crushed lime derived from limestone. The company treats the lime ...

“Millions of dollars in taxpayer money for what amounts to an experiment ... using land underneath U.S. forests to store captured carbon. The company Climeworks captures carbon dioxide ...

As soaring fossil fuel emissions continue to heighten global warming, multiple projects seeking to remove carbon dioxide from the ... of which have promoted the use of so-called direct air capture ...

Researchers added red dye to the waters off Martha’s Vineyard last year as the initial step in an experiment in increasing the ocean’s ability to absorb carbon ... start-up is using a ...

Using an innovative approach called “design of experiment,” the team achieved a remarkable ... “By optimising how these organisms convert carbon into useful products, we’ve taken an important step ...