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Mar 21, 2024, 11:00 am119 pts
The Next Web
Concrete — a mixture of cement, sand, and water — is the second most used material on Earth after water. Ton-for-ton, more of it is laid down every year than steel, wood, plastics, and aluminium combined. Problem is, cement production emits 8% of global CO2 — four times that of air travel. Swedish startup…
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