[Clarancebeaks]

Steel and aluminum must be melted down and reformulated to be used in other products. No mining involved, but pollution guaranteed from the smelting and remanufacturing process.

[BobL]

“Steel and aluminum must be melted down and reformulated to be used in other products. No mining involved, but pollution guaranteed from the smelting and remanufacturing process.”

Obviously, but there is a huge difference in impacts.