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Lakers legend Rick Fox built a house that can suck CO2 out of the atmosphere - The Verge
(www.theverge.com)
This is a most excellent place for technology news and articles.
I scimmed through the article and at least from my understanding it isn't green washing if it works as described in the article. I do not know though what chemical reactions are at work here. Because his cement cures at room temperature and does not heat up in the process also it needs co2 to cure??