Carbon-Neutral Cement Paves the Way for Infrastructure

Takeaways:

• A group of engineers plan to make cement production carbon neutral using microalgae.
• The team is biologically growing limestone, a natural process that some species of calcareous microalgae complete through photosynthesis.
• If all cement production around the world switched to limestone, we could cut back on the two gigatons of carbon dioxide annually pumped into the atmosphere.

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