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Engineers have built machines to scrub CO₂ from the air. But will it halt climate change?

  • Written by Deanna D'Alessandro, Professor & ARC Future Fellow, University of Sydney
Engineers have built machines to scrub CO₂ from the air. But will it halt climate change?Climeworks

On Wednesday this week, the concentration of carbon dioxide in the atmosphere was measured at at 415 parts per million (ppm). The level is the highest in human history, and is growing each year.

Amid all the focus on emissions reduction, the Intergovernmental Panel on Climate Change (IPCC) says it will not be enough to avoid dangerous...

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