The BBC produced an article “Building’s hard problem – making concrete green”.
Among other questions, the author asked “So how can you [produce concrete] without releasing so much CO2?”, and spoke to Prof. Scrivener in search of an answer.
![Karen Scrivener, head of the construction materials laboratory at Switzerland's Ecole Polytechnique Fédérale de Lausanne.](https://ichef.bbci.co.uk/news/976/cpsprodpb/C4EB/production/_118011405_concrete.karen2018.jpg)
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Building’s hard problem – making concrete green