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“There is enough steel in six scrapped cars to make studs for a typical 2,000 square foot house. The same size wood-framed house requires 40 to 50 trees.”(Old-growth forest supply the (wood) that is in the most demand for building construction.)”
Jan Hartke, of The Humane Society of the United States, arguing for building steel houses to ease the load on the world’s forests.
