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Just read that concrete makes up 8% of global CO2 and it blew my mind

I was looking at a report from the UN Environment Program and that number hit me. We talk about cars and planes all the time, but I never thought about the stuff our cities are built from. Has anyone found good info on what's being done to fix this, like using different materials?
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3 Comments
jason_stone59
I read about some companies trying to mix in old fly ash or slag to cut down on the cement part.
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grantpatel
grantpatel20d ago
Yeah, that stat is wild (and honestly kinda scary when you look around).
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hall.jenny
hall.jenny20d ago
Wait, what stat are you talking about? I must have missed it, but if it's making people look around and feel scared, that sounds pretty serious.
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