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How about comparing lumber usage? The U.S. may not have used as much cement, but we probably had more wood available. P.S. I imagine using cement is more eco-f
by jostmey 12y ago
How about comparing lumber usage? The U.S. may not have used as much cement, but we probably had more wood available.
P.S. I imagine using cement is more eco-friendly.
- semi-extrinsic 12y agoYour imagination is wrong, sadly. The cement industry accounts for nearly 5% of global CO2 emissions, about half of which comes from the chemical decomposition of calcium carbonate (which is how you make cement).