NTT Circurust, partners launch mass-balance trial to trace low-GHG copper cables in Amazon Japan facility

• NTT Inc. launched a demonstration to trace lower-GHG copper cable attributes across the supply chain using a mass balance credit model.
• Trial uses copper concentrate from BHP’s Escondida mine in Chile, where purchased electricity is sourced 100% from renewable energy.
• Mitsubishi Materials will smelt the concentrate into wire rod, then partners will manufacture cables for installation at an Amazon Japan logistics facility.
• NTT Circurust and NTT DATA Japan will test data-transfer processes to support traceability, transparency, and broader adoption of lower-emissions copper products.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. NTT Inc. published the original content used to generate this news brief on July 22, 2026, and is solely responsible for the information contained therein.