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Climate crisis: do we need millions of machines sucking CO2 from the air? | Carbon capture and storage (CCS) | The Guardian
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Filtering a tonne of CO2 from the air burns a thousand kilowatt-hours of energy - Mercator Research Institute on Global Commons and Climate Change (MCC)
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World's biggest machine capturing carbon from air turned on in Iceland | Carbon capture and storage (CCS) | The Guardian
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