A Swiss startup wants to fight climate change with machines that suck carbon dioxide out of the air, said Adele Peters at Fast Company. Zurich-based Climeworks' CO2 collectors are housed in shipping containers. "Small fans pull air into the collectors, where a sponge-like filter soaks up carbon dioxide," which is later released "in a pure form that can be sold, made into other products, or buried underground." Eventually, governments and corporations may pay the company to remove CO2 from the atmosphere to meet ambitious climate goals, though the collecting machines would need "to be built at massive scale" to make an impact.
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