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Comment by danpalmer

Concrete is one of the biggest sources of emissions in the world and it feels like a blind spot in our push for greener solutions.

Is there any research being done into alternatives that will scale to what we use concrete for? I've seen alternative home building methods, and different urban planning can reduce the need for large buildings that need it, but I haven't seen good alternatives for roads, tunnels, bridges, etc. Steel sometimes works but has its own problems and is more expensive.

parent danpalmer 5 years ago

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