https://en.wikipedia.org/wiki/Cement_kiln 1400 degree to make the cement part of... | Hacker News

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		guerby on Aug 9, 2021 \| parent \| context \| favorite \| on: Climate change: IPCC report is 'code red for human... https://en.wikipedia.org/wiki/Cement_kiln 1400 degree to make the cement part of concrete. You could may be reach this by solar concentration, but currently we do burn stuff to make concrete.

stephen999 on Aug 9, 2021 [–]

Could you not use resistive heating powered by solar/wind/hydro?

https://en.wikipedia.org/wiki/Joule_heating

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