Diversified miner BHP and United States copper cable and wire manufacturer Southwire have completed their first carbon-neutral copper transaction involving delivery from BHP's mines in Chile to Southwire's processing activities in the US state of Georgia, the miner said.
The pilot involved tracing BHP copper cathode and associated greenhouse gas (GHG) emissions through Southwire's rod production operations using supply chain traceability provider Circulor's blockchain-based technology. BHP then offset the carbon emissions from the production, transportation and Southwire's processing of the designated copper shipments, making them carbon neutral, it noted. The carbon...