Apple dropping four smelters from supply chain after they refused conflict-free audit | 9to5Mac

Apple dropping four smelters from supply chain after they refused conflict-free audit | 9to5Mac: "Apple has revealed in its annual Supplier Responsibility Progress Report that it has informed four smelters–who provide metals used in the production of the company’s devices–that they will be dropped from the supply chain after refusing to submit to ‘conflict mineral’ audits"

Not an easy thing to monitor at all. Toward a better world!