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owl [soylentnews.org] writes:

https://gizmodo.com/the-world-s-biggest-plant-to-suck-carbon-dioxide-from-t-1847636362 [gizmodo.com]

The world’s biggest direct air capture (DAC) plant is set to come online in Iceland on Wednesday. The moment is an important one in developing new technologies to help suck carbon dioxide out of the air—but raises a whole host of questions on the future of how we’re going to put those technologies to use.

The Orca plant, located about 20 miles (30 kilometers) southeast of the capital of Reykjavík, uses large industrial vacuums to remove carbon dioxide from the air. The plant’s owners and operators, a Swiss startup called Climeworks, said that the plant can remove 4,000 metric tons of carbon dioxide per year from the atmosphere, powered by hydrothermal energy. Climeworks has partnered with a carbon storage company to take that carbon dioxide and store it deep underground, where it turns into stone (whoa) after about two years.

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