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Create an array of Ng\'s carbon dioxide to oxygen converters

Posted by: WILSON DEVERE

Campaign: Can we create a new Amazon?

Plant trees everywhere but while we wait for trees to grow, we could reduce CO2 by producing the device created by Cheuk-Yiu Ng, published in the Oct. 2 issue of the journal Science. Ng and his colleagues built a one-of-a-kind instrument to split up carbon dioxide, using ultraviolet light in a vacuum. The device consists of two lasers — one to split the CO2, and one to detect the fragments produced.


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George Fankhauser

The next step would then be storage, reuse in industry or synthesis into renewable fuel. CO2 capture from air seems to be still quite costly, several $100 per ton, as a Swiss start-up is currently up to the challenge with pilot plants (Climeworks).

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