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We're in Iceland, where, in attempt to fight climate change, huge machines are being used to pull carbon dioxide out of the atmosphere.

And then locking it away deep underground, turning it into stone.

The business behind the technology believes this is a crucial step in reducing the amount of CO2 in the air.

But how economical, and impactful, is this carbon capture?

Presented and produced by Adrienne Murray

(Image: A carbon injection site run by Carbfix in Hellisheidi, Iceland. Credit: Getty Images)