These diamonds are made of CO2 sucked from the air

These diamonds are made of CO2 sucked from the air

On the rooftop of a power-generating waste incineration plant near Zurich, Switzerland, a row of large machines pulls carbon dioxide from the atmosphere. Some of that CO2 then goes to a production facility in Chicago, where a startup called Aether is turning it into something new: the world’s first carbon-negative diamonds. [Lire plus]

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