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How direct air capture works (and why it’s important)

In January 2021, eight shipping container-sized boxes were assembled in Hellisheiði, Iceland, next to the third-largest geothermal power station in the world. Twelve giant fans mounted on the outside of each box will start spinning later this year. The facility, called Orca, is intended to suck approximately 4,000 tons of carbon dioxide directly from the air each year. Developed by the Swiss engineering firm Climeworks, Orca is the...