Scientists just figured out how to turn CO2 back into coal

Researchers in Australia have discovered a way to capture CO2 from the air and turn it back into solid carbon. The new method uses liquid metal and electricity to process the CO2 and store it at room temperature – something that until now had not been possible. Scientists say it shows potential for large scale use – in combination with sustainable energy – as the world continues to grapple with the effects of climate change.

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