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Injecting CO2 beneath the seabed?

06:34

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Christian Pricelius
May 18, 2026

Cement production generates enormous amounts of CO2 worldwide — but new plants ensure it can be captured during production. But where to put it? The CO2 is liquefied and stored under the seabed. How expensive is it?

The Heidelberg Materials cement plant in Brevik, Norway, is the world’s first facility to capture carbon dioxide (CO2) directly during cement production, addressing one of the most carbon‑intensive industrial processes.

The advanced carbon capture and storage (CCS) technology filters up to half of the plant's CO2 emissions from exhaust gases, liquefies it and ships it for permanent sequestration beneath the North Sea seabed via the Northern Lights infrastructure.

The project, heavily funded by the Norwegian government, demonstrates how CO2 sequestration can support Europe’s climate. It also highlights its high costs and scalability challenges.

With rising EU carbon prices and growing demand for low‑carbon building materials, CCS could play a crucial role in decarbonizing cement production worldwide — though it may also make cement more expensive in the future.

This video summary was created by AI from the original DW script. It was edited by a journalist before publication.

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