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Cement: A Really Hard Problem

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To learn more about the fight to stop climate change go to https://gatesnot.es/2SUfgkv. Thanks to Bill Gates and Breakthrough Energy for supporting this episode of SciShow.

Concrete sucks CO2 out of the atmosphere, but making it initially produces a lot of carbon dioxide as a byproduct. Fortunately, by rethinking the chemistry of cement altogether, we can actually use carbon dioxide to create our concrete instead.

Hosted by: Hank Green

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Sources:
https://www.chathamhouse.org/sites/default/files/publications/research/2018-06-13-making-concrete-change-cement-lehne-preston.pdf
https://pdfs.semanticscholar.org/691a/16464fff1a9379e23f30f487cc0e9c846f5e.pdf
https://qz.com/1123875/the-material-that-built-the-modern-world-is-also-destroying-it-heres-a-fix/
https://www.earth-syst-sci-data.net/11/1675/2019/essd-11-1675-2019.pdf
Special thanks to Ellen Yui and Nick DeCristofaro of Solidia

Additional:
https://www.frontiersin.org/articles/10.3389/fenrg.2017.00017/full#h4
https://www.nature.com/articles/ngeo2840
http://carbicrete.com/technology/
https://www.cement.org/cement-concrete-applications/how-cement-is-made
https://edgar.jrc.ec.europa.eu/news_docs/jrc-2016-trends-in-global-co2-emissions-2016-report-103425.pdf
https://energyinnovation.org/wp-content/uploads/2018/11/The-Role-of-Cement-in-a-Carbon-Neutral-Future.pdf
https://www.sciencedirect.com/science/article/pii/S2214509517301572?via%3Dihub

Images:
https://en.wikipedia.org/wiki/File:Portland_Cement_Bags.jpg
https://commons.wikimedia.org/wiki/File:Hot_Clinker.jpg
https://commons.wikimedia.org/wiki/File:Popi%C3%B3%C5%82_lotny.JPG
https://www.solidiatech.com/media.html
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Science
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