A 100% recycled paving block made from mollusk shells and mining waste

Submitted ⁨⁨1⁩ ⁨hour⁩ ago⁩ by ⁨PapaSkwat@lemmy.wtf⁩ to ⁨greenparty@lemmy.today⁩

https://techxplore.com/news/2026-03-recycled-paving-block-mollusk-shells.html