- A research team found that replacing quarried limestone with biologically grown limestone, a natural process that some species of calcareous microalgae complete through photosynthesis (just like growing coral reefs), creates a net carbon neutral way to make portland cement. https://www.colorado.edu/today/2022/06/23/cities-future-may-be-built-algae-grown-limestone 58 comments upliftingnews
Linking pages
- Engineers create world's first carbon-neutral cement out of algae https://www.freethink.com/environment/carbon-neutral-cement 214 comments
- Microsoft is testing low-carbon concrete for its data centers - The Verge https://www.theverge.com/2023/9/28/23891241/microsoft-data-centers-cement-carbon-emissions-climate-change 41 comments
- In a world-first, scientists create eco-friendly cement from algae https://interestingengineering.com/biogenic-limestone-from-microalgae 25 comments
- Cement formed with biogenic limestone promises carbon-neutral concrete https://newatlas.com/materials/cement-biogenic-limeston-eneutral-carbon-footprint/ 1 comment
- Tiny algae could help fix concrete's dirty little climate secret – 4 innovative ways to clean up this notoriously hard to decarbonize industry https://theconversation.com/tiny-algae-could-help-fix-concretes-dirty-little-climate-secret-4-innovative-ways-to-clean-up-this-notoriously-hard-to-decarbonize-industry-186194 0 comments
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