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Q&A: Does the world need ‘carbon capture and storage’ to reach net-zero?
Carbon capture and storage (CCS) involves capturing CO2 from industrial sources or the atmosphere and storing it permanently, usually underground. Most climate models suggest CCS will be needed to reach net-zero, particularly for hard-to-decarbonise industries like steel and cement. However, CCS remains expensive, energy-intensive, and unproven at large scale, leading some experts to question whether investment would be better spent on renewable energy alternatives.