The Core

Building's hard problem - making concrete green - BBC News
https://www.bbc.com/news/business-56716859

Recently awarded XPrize for two groups making concrete slightly less damaging to the environment
https://www.scientificamerican.com/article/x-prize-winners-use-co2-emissions-to-make-concrete/

Updated: here's the announcement at XPrize
https://www.xprize.org/prizes/carbon/articles/xprize-announces-the-two-winners-of-20m-nrg-cosia-carbon-xprize-with-each-team-creating-valuable-products-out-of-co2-emissions

Nice find...

A Bit of hearsay I heard:

 A quote on the radio about someone at COP26, who runs a cement factory, said to a reporter he was looking to make concrete Net Zero.

The reporter implied it is impossible.


Nothing can be impossible, but it can be expensive. That Floor helps stop the cost of building going up.  Like it.

> floors

This idea has legs. With those kind of reductions in materials it's too good to pass up.  Like RC indicates a lot of technologies are all coming together at the right time to make this possible.

Sorta Related:

We Finally Know Why Ancient Roman Concrete Outlasts Our Own

https://science.howstuffworks.com/why-ancient-roman-concrete-stronger-than-modern.htm

The formula has been lost, but if we could replicate it, it would be useful for many marine uses like break walls, especially with rising sea levels.