Carbon capture and storage (CCS) is a set of technologies that tackles emissions of carbon dioxide (CO₂) at source to prevent increased atmospheric concentration of the gas, which causes climate change.
CCS allows industries to reduce their emissions: it prevents CO₂ emitted by industrial processes (including burning fossil fuels to generate heat or electricity) reaching the atmosphere. This means that industries which would otherwise have high emissions can continue to operate without affecting efforts by countries to meet climate change targets. The CCS process has three distinct parts: capture, transport and storage. In some industries, a pure stream of CO₂ is a by-product of the process and needs little additional treatment. However, in most processes, CO₂ is mixed with other gases when emitted and must be separated out before capture. Once captured, cleaned and compressed, the CO₂ is transported to a geological storage site to be permanently stored deep below ground. You can find out more about how these processes work, and how they can be used, using the links on this page.
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