Marketplace: Changing carbon from waste into gold

„For the most part, fighting against climate change means keeping as much carbon out of the air as possible, whether that means generating energy from solar and wind sources or capturing the carbon that comes out of less-clean sources. Strategies for captured carbon include liquefying it and storing it underground. Some companies, though, are turning that waste carbon into a revenue source. At its facilities in Los Gatos, California, the company Blue Planet takes the carbon dioxide that factories collect, runs it through tiny nanotubes in their machines and converts it into carbonate. The limestone rock that results will be used as a necessary component of concrete.“

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